New Products
  • TES-1385S / TES-1385A / TES-1385T

    Odor Sensing Meter

    • Advanced environmental assessment (respiratory disease environment、 sleep environment)
    • Relative intensity value display of ambient odor
    • Display of environmental odor level
    • Suitable for measurement before and after purification
    • Data memory and read function
    • Auto data logger function
    • Test air exchange efficiency of air conditioning equipment

      APPLICATION
    • 1385S: Odor detection of cooking fumes, cigarettes, medicines and food
    • 1385A: Fertilizer, animal husbandry, breeding and spoilage odor ammonia, etc.
    • 1385T: Measurement of indoor air quality IAQ total volatile organic gases TVOC
      Detection of methane concentration
      (New house decoration)
  • TES-1328

    IR Thermometer for Food

    • ±1% accuracy
    • Auto / Manual measurement
    • Auto QC Scan Alarm
    • Temperature setting
    • 0~100°C/34°C~42°C
    • Temperature Warning function: Green, Orange, Red 3 color screen display indications
    • Drinking Water, Wine, Food, Cooking, Bath Water … etc.
    • LED light spot positioning
  • TES-96

    Coating Thickness Tester

    • 0-1500μm
    • Measuring Accuracy:2.5%
    • Automatic ferrous / non-ferrous substrate material measurement
    • Non-magnetic coating on ferrous metal substrate and insulating coating on non-ferrous metal substrate measurement
    • Audible and visual warning when tolerance limits are exceeded
    • Statistical display of significant values such as mean value, standard deviation, min, max values
    • Units of measurement μm/mils select
  • TES-3280

    IR Forehead Thermometer

    • TFDA Registered NO.007320
    • Forehead Temperature, Room Temperature, Surface Temperature measurement
    • Applicable to Shops, Restaurants, Institutions, Schools and Homes
    • Light and handy,Large LCD, easy to read
    • Quick and accurate for Indoor and Outdoor measurement
    • Fever warning function: Green, Orange and Red 3 color screen display
    • LED light spot measurement and positioning
  • TES-3141T

    Weather Station

    • Direct reading data via the meter, don't need via PC.
    • Wind direction, Wind speed, Barometric pressure, Humidity and Temperature
    • Wind rose plot
    • Data hold & Maximum/Minimum/Average function
    • Manual data memory and read function: 99 sets
    • Auto data memory: microSD card
    • USB interface

      APPLICATIONS
    • Safe detection of wind direction and speed of paragliders, hot air balloons, sailboats, and the environment
    • UAV, model aircraft take-off and landing, wind direction, wind speed observation
    • Wind direction and wind speed information for large racing fields, archery fields and shooting ranges
    • Wind direction and wind speed information of noise pollution
    • Wind direction and wind speed information of air pollution
    • Determination of wind direction and wind speed of agricultural spraying chemicals
    • Determination of fire brigade outdoor fire, extinguishing, wind direction and wind speed
    • Wind direction and wind speed information when setting the construction industry hoist and port hoist
    • Management and control of cold damage in aquaculture
    • Environmental assessment of wind power installations
    • Agriculture, airports, construction, environmental monitoring
    • Marine and Harbour applications

  • TES-3250

    COLOR METER

    • Large LCD Display、Easy to use
    • Check the color difference between two samples
    • Economical, Portable and easy to use
    • Color difference displayed Δ(L*,a*,b*), Δ(E*ab, C*ab, H*ab), Δ(Y, x, y), Δ(X, Y, Z), Δ(Rs, Gs, Bs) or Δ(WI, YI, Tw)
    • Color space displayed (L*, a*, b*), (L*, C*ab, hab), (Y, x, y), (X, Y, Z), (Rs, Gs, Bs) or (WI, YI, Tw)
    • Statistical function (Maximum, Minimum, Average and Standard Deviation)
    • Color difference tolerance set to perform PASS/WARN/FAIL
    • Store 9 color – difference target colors
    • User calibration function ensures higher accuracy
    • Auto memory (99 sets) & Read function
    • Auto Power off function
    • LCD backlight function
    • Mini-USB interface.
  • TES-3145 / TES-3145U

    Metal Vane Anemometer

    • Air flow volume
    • Instant/Avg/ 2/3 V max air flow measurement
    • Velocity units select: m/s, m/min, m/hr, mph, km/hr, knots and ft/min
    • Wind temperature
    • Temperature, Humidity & Atmospheric pressure measurement
    • Calculate Dew point temperature, Wet bulb temperature, Wind chill temperature, Humidex temperature and Heat index temperature.
    • Data hold & Maximum/Minimum/Average function
    • Manual data memory and read function: 99 sets
    • Auto data memory: microSD card (3145U)
    • USB PC interface (3145U)
  • TES-1389 / TES-1389U

    BRIX METER

    • Personal dietary sugar content confirmation
    • Food industry:
      Beverages, fruits and sweets
    • Industry:
      Monitoring of lubricants in machines and quality control
    • Agriculture:
      Determination of the degree of ripeness of fruit for quality control in harvesting
    • Wide measuring range (Brix 0 ~ 53%)
    • Refractive index measurement (RI)
    • Temperature measurement (°C/°F)
    • Ambient temperature compensation (ATC)
    • Brix or RI high/low limit value alarm function
    • Zero calibration with distilled or deionized water
    • Friendly operation and easy to use
    • Wide and dual display LCD and backlight function
    • Reliable water resistant (IP65)
    • Auto power off function
    • Data memory and read function
    • Auto data logger function (1389U)
    • USB Interface (1389U)
  • TES-3196

    AC/DC Gauss Meter

    • Use a uniaxial Hall effect transverse probe with automatic temperature compensation
    • User select Gauss, Tesla or Ampere/Meter readings
    • DC Zero function & AC Trms measurement
    • Data Hold & Maximum/Minimum record function
    • Relative & Alarm High/Low limit function
    • X, Y and Z axis vector summing function
    • LCD backlight & auto power off function
    • Manual memory stores up to 99 data APPLICATIONS
    • DC magnetic field meter measuring static magnetic strength
    • AC magnetic field meter measuring the wave motion of the electromagnetic field (EMF)
    • After machine component are processed, remain the magnetism to measurement
    • Magnetic force measurement of the magnetisable material
    • Magnetic application products, the intensity of magnetic field measurement
    • Electrical home appliances products, the magnetic field intensity measurement of the motor
    • Exceed the leakage magnetic field of conducting the magnetite to measure
    • Magnetic field intensity measurement of the permanent magnet
    • Various steel products brought magnetic measurement naturally
  • TES-3142 / TES-3142U

    Pitot Tube Anemometer & Differential Pressure Manometer

    • Suitable for high wind speed measurement
    • Differential pressure, Stagnation pressure and Static pressure measurement
    • Instant/Avg/ 2/3 V max flow measurement
    • Velocity m/s, f t/min
    • Temperature, Humidity & Atmospheric measurement
    • Calculate Dew point temperature, Wet bulb temperature, Wind chill temperature, Humidex temperature and Heat index temperature.
    • Data hold & Maximum / Minimum / Average function
    • Manual data memory and read function: 99 sets
    • Auto data memory: microSD card (3142U)
    • USB interface (3142U)
  • TES-1386/TES-1386U

    TURBIDITY METER

    • Water Quality Testing
    • Test Tap Water
    • Food and Beverage water
    • Other related water quality testing
    • Auto-ranging from 0 to 1000 NTU (Nephelometric Turbidity Unit)
    • Waterproof and dustproof with IP65-rated housing that floats
    • Meets performance criteria as specified by ISO 7027
      (DIN EN 27027) method
    • Low battery alarm and auto shut off after 10 minutes of non use
    • Large LCD display and backlight function
    • Four point calibration for full-range accuracy
    • Maximum/minimum, alarm and relative function
    • Manual data memory and read function
    • Auto data logger function (1386U)
    • USB interface (1386U)
  • PROVA A9+

    EV Clamp Meter

    • Designed for EV (Electric Vehicle)
    • Both lower DC Current and High DC Current(1000A)
    • Accurate AC/DC digital clamp meter
    • Best accuracy ±1.5%±3dgts
    • AC/ DC 1mA high resolution
    • True RMS measurement
    • One touch zero (Δ) for DCA adjustment
    • 25 mm diameter jaws
    • Fast bar graph display (30 times/sec.) for transient observation
    • In-Rush Current Measurement with 100mS integration time
    • Non-Contact Frequency Measurement (min. sensitivity 0.06 AC A)
    • Non-Contact Voltage (NCV) Detection from 80V to 600V at 50/60Hz
    • Low Pass Filter (LPF) at 1 KHz Cut-off Frequency
    • Large 3 3/4 digits LCD
    • Data Hold function
    • 15 minutes auto-power-off with beeping warning before turning off
    • Backlight with 5 minutes of auto-backlight-off
    • Easy single rotary switch for any function selection
    • Ideal for works in crowded switch box or cable areas
  • SP-500

    Integrating Sphere

    • 500mm internal sphere (includes a lamp holder, baffles, and ports for photometers)
    • Light weight and easy move

      APPLICATIONS:
    • As a light collector
    • As uniform light source
    • Luminance/Radiance calibration
    • Reflectance measurement (Color measurement Fluorescence spectroscopy)
    • Beam Power measurement (total power of a beam of optical radiation)
    • Lamp Flue measurement (total geometric luminous flux of a light source)
    • Laser Power measurement
    • IR Reflectance measurement
    • Irradiance measurement (Laser, LED, and Halogen lamps)
  • TES-3100

    VIBRATION METER

    • Measures acceleration, Velocity and displacement
    • RMS, EQ PEAK and EQ P-P measurement
    • Wide range of vibration measurement by using different sensitivity of accelerometers
    • Backlight LCD display
    • Maximum/Minimum record function
    • Earphone output for detecting noise in machine components
    • Manual memory stores up to 99 data
  • TES-660A /TES-660

    Micro Noise Dosimeter (Badge Type)

    • No Mic. Extension Cable required.
    • Lightweight and small size
    • Rechargeable battery
    • Calculates all the popular noise dose parameters
    • Wide dynamic range from 70 to a full 140dB
    • Measures simultaneously 3dB, 4dB, 5dB or 6dB exchange rates
    • Intrinsically safe (660A)
  • TES-1339P

    Photosynthesis Light Quantum Meter

    • Autoranging 5 steps and conversion to µmole/m²/s (PPFD: Photosynthetic Photon Flux Density).
    • Integral illuminance measurement and conversion to mole/m²/d (Daily light integral).
    • Luminous intensity measurement.
    • Point - average function.
    • User calibration factor (CAL) and spectral correction factor (SCF) function. (include LED)
    • Time-hold function.
    • Dual Display, 4 digit LCD reading.
    • Spectral Sensitivity close to CIE photopic Curve.
    • Accurate and Instant response.
    • Data Hold function.
    • Data memory and read function.
    • Reference value stored for relative or percentage deviation measurement.
    • Ripple measurement for STRAY + LIGHT function.
    • Comparator function.
    • Auto power off function.
    • Auto datalogging & USB interface.
  • TES-5200

    Particle Mass Counter

    • Particle mass & particle counter in a single handheld unit.
    • Six mass ranges and eight particle sizes.
    • User K-factors setting for special particulate with different densities.
    • Integrated temperature / humidity sensor (no need for external add-on).
    • Flow rate 2.83 L / minute (0.1 CF / minute).
    • Rechargeable battery provides up to 4 hours of continuous operation (charge time 2.5 hours).
    • Buffer function allows storing and redisplay of up to 500 measurement data sets.
    • SD storage device.
  • TES-137

    Luminance Meter

    • Dual Display, 4-digit LCD reading.
    • Spectral Sensitivity close to CIE photopic Curve.
    • Measuring Levels Ranging: > 0.171 to 1999k cd/m², > 0.050 to 580.0k fL, Autoranging 7 step.
    • Accurate and Instant response.
    • Luminance ratio A/B, deviation %A, different B-A and peak luminance measurements.
    • User calibration factor and color-correction functions.
    • Accumulation luminance measurement.
    • Max/Min/AVG function.
    • Backlight LCD display.
    • Comparator function.
    • Data Hold function.
    • Data memory and read function.
    • Data logger function.
    • USB Interface.
Hot Products
  • TES-132

    Solar Power Meter (Datalogging)

    • Light Transmittance of window film detection
    • Wide spectral range.
    • Excellent long term stability.
    • Cosine corrected.
    • Automatic transmission measurements.
    • Select either power or transmission.
    • Solar energy measurement.
    • User calibration factor setting function.
    • Select either W/m2 or Btu / (ft2 x h) units.
    • Data Hold/MAX/MIN/AVG modes.
    • Auto Data Memory function. (microSD CARD)
    • Data Memory and Read function. (99 sets)
    • Software and USB interface to PC.
  • TES-1333/TES-1333R

    Solar Power Meter

    • Light Transmittance of window film detection
    • Wide spectral range.
    • Excellent long term stability.
    • Cosine corrected.
    • Automatic transmission measurements.
    • Select either power or transmission.
    • Solar energy measurement.
    • Current time setting function.
    • User calibration factor setting function.
    • End-mount light sensor.
    • Select either W/m2 or Btu / (ft2 x h) units.
    • Data Hold/MAX/MIN/AVG modes.
    • Data Memory and Read function. (99 sets)
    • Auto Data Memory and RS232 interface to PC. (TES-1333R)
  • PROVA-200A /PROVA-210 / PROVA-218

    PV Analyzer

    • I-V curve test for solar panel/module
    • Max. solar panel power (Pmax) search by auto-scan:
      PROVA 200A: 60V, 6A (180W capability)
      PROVA 210: 60V, 12A (500W capability)
      PROVA 218: 85V, 8.5A (500W capability)
    • Best resolution for PROVA 200A: 1mV, 0.1mA
    • Best resolution for PROVA 210/218: 1mV, 1mA
    • Manual single point I-V test
    • Max. voltage (Vmaxp) at Pmax
    • Max. current (Imaxp) at Pmax
    • Voltage at open circuit (Vopen)
    • Current at short circuit (Ishort)
    • I-V curve with cursor to display each data point
    • Efficiency (%) calculation of solar panel
    • Solar panel area setting: 0.001 m2 ~ 9999 m2
    • Standard light source setting: 10 W/m2 ~ 1000 W/m2
    • Communicate with PC via USB cable
    • Min. power setting for alarm function
    • Built-in calendar clock
    • Built-in battery charging circuit
    • Rechargeable lithium battery and AC power adaptor
    • Memory size: 100 records
    • Sampling time of data logging for PROVA 210/218: 0 ~ 99 min.
    • Large LCD with backlight
    • Application:
      Quality control in the production line, warehouse, or site of installation.
      Identify the solar power system requirement.
      Maintenance of solar panels.
      Verify the best installation angle of solar panels
  • TES-1160A / TES-1161

    Thermo / Hygro / Barometer

    • Triple LCD displays Barometric pressure, Temperature, and Relative humidity.
    • Dew point and Wet bulb temperature reading.
    • Absolute humidity, Mixing ratio and Enthalpy reading.
    • Water vapor pressure and Water saturation pressure reading.
    • Pressure trend and tendency (P3h) reading.
    • Heat Index and Humidex reading.
    • MAX/MIN with Time Stamp.
    • Comparator function.
    • Alarm output function.
    • Auto power off function.
    • Data Hold function.
    • LCD backlight control function.
    • Manual data memory and read function.
    • Auto data logger function. (1161)
    • USB Interface. (1161)
  • TES-3600N

    3P4W POWER ANALYZER

    • 10 Display Easy - to - View LCD Screen.
    • Connectors for 4 Current Sensing Clamps.
    • 1P2W, 1P3W, 3P3W2M, 3P3W3M & 3P4W Power Measurement.
    • True RMS Sensing.
    • Power KW, KVAR, KVA, PF,θ,Hz, &
      Energy KWh, KVARh & KVAh Measurement.
    • Phase sequency indicator function.
    • Backlight display function.
    • Manual Data Memory and Read (50 sets).
    • Data Logging
    • USB Optical Interface with three phase voltage /
      current Waveform display and Harmonic analysis.
    • Easy - to - use Push - Button Operation.
    • Light Weight, Portable Design.
  • PROVA 6830A

    Power and Harmonics Analyzer

    • Power Analysis for 3P4W, 3P3W, 1P2W, 1P3W
    • True RMS value (V123 and I123)
    • Active Power (W, KW, MW, GW)
    • Apparent and Reactive Power (KVA, KVAR)
    • Power Factor (PF), Phase Angle (Φ)
    • Energy (WH, KWH, KVARH, PFH)
    • AC Current (0.04A to 6000A) and Voltage measurement: True RMS, Auto Range.
    • Capable of analyzing IT standby power consumption to the maximum demand of a factory
    • Display of 35 Parameters in One Screen (3P4W)
    • Programmable CT (1 to 600) and PT (1 to 3000) Ratios
    • Display of Overlapped Voltage and Current Waveform
    • Average Demand (AD in W, KW, MW)
    • Maximum Demand (MD in KW, MW, KVA, MVA) with Programmable Period
    • Harmonic Analysis to the 99th Order
    • Display of 50 Harmonics in one Screen with Waveform
    • Display of Waveform with Peak Values (1024 Samples / Period)
    • Analysis of Total Harmonic Distortion (THD-F)
    • Graphic Phasor Diagram with 3 Phase System Parameters
    • Capture 28 Transient Events (Time + Cycles) with Programmable Threshold (%)
    • DIP, SWELL, and OUTAGE are included in transient events.
    • 3 Phase Voltage or Current Unbalance Ratio (VUR, IUR)
    • 3 Phase Voltage or Current Unbalance Factor (d0%, d2%)
    • Calculated Unbalanced Current through Neutral Line (In)
    • 512K Memory with Programmable Interval (Sampling time from 2 to 3000 seconds, 17,000 records for 3P4W system)
    • Output of Waveform, Power Parameters and Harmonics at Command
    • Large Dot Matrix LCD Display with Backlight
    • Software to work with PC via Optical Isolated RS-232C to USB Interface
    • Built-in timer and calendar for data logging
    • Conductor Size:
      ■ Model 6801 (100A)
      30mm(approx),210mm(L) x 62mm(W) x 36mm(H),200g(Weight)
      ■ Model 6802 (1000A)
      55mm(approx),64*24mm(bus bar)
      244mm (L) x 97mm(W) x 46mm(H),600g(Weight)
      ■ Model 3007 (3000A)
      24in/610mm(Probe Length)
      130mm(L) x 80mm(W) x 43mm(H),410g(Weight)
      ■ Model 3009 (1200A)
      18in/460mm(Probe Length)
      130mm(L) x 80mm(W) x 43mm(H),390g(Weight)
      ■ Model 3006(6000A)
      130mm(L) x 80mm(W) x 43mm(H),430g(Weight)
  • TES-3900/TES-3901

    Clamp Meter/Trms Clamp Meter

    • Variable-frequency drives (VFD) V & Hz measurement.
    • LoZ voltage measurement to drain ghost voltages.
    • Check 3Φ phase sequence.
    • Motor Inrush current measurement.
    • True RMS reading on AC and DC+AC mode. (3901)
    • uA measurement for HVAC flame sensors. (3901)
    • mV measurement range to interface with other accessories. (3901)
    • Crest Factor (C-F) & Harmonic Ratio (H-R) measurement. (3901)
    • Backlight LCD display . (3901)
    • Data hold, Auto hold & Peak hold mode.
    • Max/Min record mode.
    • Data memory & read function


  • TES-1369B

    Heat Stress Monitor

    • Datalogging area thermal environment monitor.
    • Quick WBGT measurement for assessing
      environmental heat stress.
    • Air velocity measurement.
    • Maximum / Minimum recording reading.
    • Auto datalogging.
    • Manual Data Memory Capacity.
    • Data hold function.
    • Auto power off.
  • TES-3141T

    Weather Station

    • Direct reading data via the meter, don't need via PC.
    • Wind direction, Wind speed, Barometric pressure, Humidity and Temperature
    • Wind rose plot
    • Data hold & Maximum/Minimum/Average function
    • Manual data memory and read function: 99 sets
    • Auto data memory: microSD card
    • USB interface

      APPLICATIONS
    • Safe detection of wind direction and speed of paragliders, hot air balloons, sailboats, and the environment
    • UAV, model aircraft take-off and landing, wind direction, wind speed observation
    • Wind direction and wind speed information for large racing fields, archery fields and shooting ranges
    • Wind direction and wind speed information of noise pollution
    • Wind direction and wind speed information of air pollution
    • Determination of wind direction and wind speed of agricultural spraying chemicals
    • Determination of fire brigade outdoor fire, extinguishing, wind direction and wind speed
    • Wind direction and wind speed information when setting the construction industry hoist and port hoist
    • Management and control of cold damage in aquaculture
    • Environmental assessment of wind power installations
    • Agriculture, airports, construction, environmental monitoring
    • Marine and Harbour applications

  • TES-1370H

    CO2 METER+ Temp./RH%

    • Lithium battery can continuously measure for more than 8 hours.
    • CO2: 0 ~ 6,000 ppm range, Diffusion sampling mode
    • Three LCD Display for CO2 , %RH Humidity and
      Air Temperature
    • Maintenance free dual wavelength NDIR infrared
      CO2 sensor (non-dispersive infrared)
    • Continuous or manual data logging (16,000 sets)
    • Data hold & Maximum / Minimum with Time stamp
    • Data Memory and READ function
    • Alarm and Time setting
    • USB function / Software
    • Backlight display function
    • Use rechargeable Lithium-Ion battery pack
    • Simple and safe to use
  • TES-5200

    Particle Mass Counter

    • Particle mass & particle counter in a single handheld unit.
    • Six mass ranges and eight particle sizes.
    • User K-factors setting for special particulate with different densities.
    • Integrated temperature / humidity sensor (no need for external add-on).
    • Flow rate 2.83 L / minute (0.1 CF / minute).
    • Rechargeable battery provides up to 4 hours of continuous operation (charge time 2.5 hours).
    • Buffer function allows storing and redisplay of up to 500 measurement data sets.
    • SD storage device.
  • TES-5321A / TES-5322A

    PM2.5 Air Quality Monitor (read directly)

    • Simple tool for air dust measurements (indoor)
    • Direct reading field air pollution degree
      No need for mobile phones to download data from cloud, no Internet Traffic problem,Easy use battery or AC adaptor to power the meter
    • Accurate Temperature and Humidity measurements
    • Mixed-gas VOCs(Volatile Organic Compounds) measurements,with high sensitivity to H2, C2H5OH,C4H10 and CH4 gas(TES-5322A)
    • PM2.5 MAX/MIN with time stamp function
    • Backlight LCD display
    • Health index(0-9) detection and alarm , six-color LED indication air quality index category

      Application:
    • Provide people with safety and health indoor environment
    • Portable to monitor any environment air quality
    • Investigate the effectiveness of different strategies to reduce particulates
    • Air quality investigations
  • PROVA A9+

    EV Clamp Meter

    • Designed for EV (Electric Vehicle)
    • Both lower DC Current and High DC Current(1000A)
    • Accurate AC/DC digital clamp meter
    • Best accuracy ±1.5%±3dgts
    • AC/ DC 1mA high resolution
    • True RMS measurement
    • One touch zero (Δ) for DCA adjustment
    • 25 mm diameter jaws
    • Fast bar graph display (30 times/sec.) for transient observation
    • In-Rush Current Measurement with 100mS integration time
    • Non-Contact Frequency Measurement (min. sensitivity 0.06 AC A)
    • Non-Contact Voltage (NCV) Detection from 80V to 600V at 50/60Hz
    • Low Pass Filter (LPF) at 1 KHz Cut-off Frequency
    • Large 3 3/4 digits LCD
    • Data Hold function
    • 15 minutes auto-power-off with beeping warning before turning off
    • Backlight with 5 minutes of auto-backlight-off
    • Easy single rotary switch for any function selection
    • Ideal for works in crowded switch box or cable areas
  • TES-33S

    Battery Capacity Tester

    • RS-232 Interface/Software for curve decay variation during charging and discharging
    • Storage Battery Systems Battery Capacity Testers, Check battery condition in seconds, with the battery in service!
    • Test condition without shutting down battery
    • Simultaneously measure battery Resistance, Voltage, Current, Temperature
    • Hold and Auto Hold function
    • Comparator function for battery Pass, Warning or Fail indications
    • Manual and Auto data memory and read up to 999 data sets
    • Auto datalogging micro SD CARD up to 99 blocks
    • Compact and lightweight
    • USB PC Interface
  • TES-1600

    Insulation Tester

    • Digital readout easy to obtain by 0.65” LCD display
    • Automatic unit & sign annunciator
    • Rotary switch easy for range selection
    • Power-lock switch (3 minutes) simplifies the measurement
    • Continuity beeper
    • Battery operated/Overload Protection
    • Safety test leads
    • 1mA test current
  • TES-1605

    Digital Earth Tester

    • Capable of measuring earth voltage.
    • Data hold function.
    • Auto power off function:
      The timer operates automatically about 10 minutes when the “ Test Button Switch ”are pressed to keep the tester power on.
    • 2mA measuring current permits earth resistance tests without tripping earth leakage current breakers in the circuit under test.
    • In addition to the facility for precision measurement, test leads for simplified two wire measuring system also supplied as standard accessories.
    • Automatic warning when resistance of auxiliary earth spike is in excess of tolerance.
    • Designed to meet EN 61010-1/ / EN 61557 safety standard.
    • Zero ohm adjustment
  • TES-3910

    Trms Clamp Meter (DC/AC 1000A)

    • Capacitance measurement 1000µF
    • Variable-frequency drive (VFD) V & Hz measurement.
    • Lo-Z voltage measurement to drain ghost voltages.
    • Check 3Φ phase sequence.
    • True RMS reading on AC and DC+AC mode.
    • Inrush current measurement.
    • A measurement for HVAC flame sensors.
    • mV measurement range to interface with other accessories.
    • Crest Factor & Harmonic ratio measurement.
    • Data hold, Auto hold & Peak hold mode.
    • Max/Min/Avg record mode.
    • Data memory & read function.
  • PROVA-5601

    Clamp-on Ground Resistance Tester

    • Non-Contact Ground Resistance Measurement
    • No Auxiliary Electrode Needed
    • Ground Resistance Measurement: 0.025 – 1500Ω
    • Leakage Current: 0.3mA – 30A, True RMS
    • Jaw Diameter: 23mm
    • Programmable High and Low Alarm
    • Data logging capacity: 116 records
    • Programmable Data Logging: data logging interval 1 to 255 sec.
    • Auto-power-off function

      Grounding Application:
    • Telecommunication
    • Electrical Power Plant
    • Factory and Facility
    • Cable TV System
    • Cellular Phone System
    • Gas Station & Tank
  • PROVA-5637

    Clamp-on Ground Resistance Tester

    • Non-contact ground resistance measurement: 0.025Ω ~ 1500Ω
    • No auxiliary electrode needed
    • Leakage current measurement: 0.3mA ~ 35A, True RMS
    • Jaw diameter: 35mm
    • Programmable High and Low alarm
    • Programmable data logging
    • Data logging capacity: 116 records
    • Data logging interval: 1 to 255 sec.
    • Auto-power-off function
    • Grounding application:
    • Telecommunication,
    • Electrical power plant,
    • Factory and facility,
    • Cable TV system,
    • Cellular phone system,
    • Gas station & tank
  • PROVA - A11

    mA AC/DC Clamp Meter

    • Very high resolution DC 1mA, AC 0.1mA.
    • AC/DC (mA, A) current measurement: 6A / 60A.
    • AC/DC (V) voltage measurement: 60V / 600V.
    • AC current measurement: TRMS.
    • Resistance, Continuity, Capacitance, Diode and Temperature (℃/℉) measurement.
    • Voltage/Current Peak value measurement.
    • 6000 counts
    • Auto and Manual ranges for AC mA, AC/DC V, Resistance and Capacitance.
    • One Touch Zero for DCA adjustment.
    • 25mm large jaw diameter.
    • Auto-power-off function (30 min.) and Backlight.
    • Delta ( ) functions w.r.t. hold value.
    • Dual display: Hold + Ave, Max + Min,ΔMax +ΔMin.
    • Dual display (peak hold): Hold + Ave, Peak Max + Peak Min,ΔPeak Max +ΔPeak Min.
    • Low Pass Filter (LPF, 1KHz, -3dB) (e.g. for VFD measurement)
    • 600V overload protection for Resistance and Capacitance measurement.
    • Ideal for works in crowded switch box or cable areas.