New Products
  • TES-1386/TES-1387

    TURBIDITY METER

    • Auto-ranging from 0 to 1000 NTU
    • Waterproof and dustproof with IP67-rated housing that floats!
    • Meets performance criteria as specified by ISO 7027
      (DIN EN 27027) method
    • Compliant with ASTM D6855-03 (EPA recognized)
    • Four point push-button calibration for full-range accuracy
    • Manual data memory and read function
    • Auto data logger function (1387)
    • USB Interface (1387)
  • 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)
  • PROVA-135

    4-20mA Loop Calibrator + Thermometer

    • Source 4~20mA, 0~24mA with 1μA resolution (1KΩ load, 24V loop supply), basic accuracy 0.025%.
    • Source 0~24.000V with 1mV resolution.
    • Source frequency 1~20000Hz square wave with programmable duty cycle (1~99%).
    • Auto step and auto ramp for sourcing mA, V.
    • Easy fixed 25% up and down, or programmable percentage (1~99%) increase and decrease (mA, V).
    • Measure DC mA with loop power (24V output).
    • Measure DC V.
    • Measure Temperature (°C, °F) of 11 types of thermocouples (K, J, E, T, R, S, N, L, U, B and C).
    • Calibrator grade precision temperature measurement with 0.1*C & 0.1*F resolution.
    • Detection of thermocouples disconnection.
    • Source and Measure at the same time.
    • Warning for overload, output open (mA) or short (V).
    • Short circuit protection for output.
    • Battery power indication (%) when turn on the calibrator.

      Applications:
    • Calibration of 4~20mA panel meters.
    • LED brightness testing (0~24mA).
    • Temperature calibration of panel meters or instruments for 11 types of thermocouples.
  • 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.
  • TES-3079M

    HVAC Trms Clamp Meter (1000A)

    • 10 in 1 multifunction clamp meter
    • Voltage, Current, Power, Horse power, Reactive power, Apparent power, Phase angle, Frequency, Power factor, Phase sequence, Temperature, Resistance, Capacitance, Diode
    • Trms reading/Dual display/Auto power off
  • TES-2950

    LCR Trms Multimeter

    • Variable-frequency drive (VFD) V & Hz measurement.
    • Data hold, Auto hold & Peak hold mode.
    • Max/Min/Avg record mode.
    • Relative value display.
    • Frequency Count (Auto-Ranging).
    • Temperature type K, J measurement.
    • Inductance & Capacitance measurement.
    • 20MHz TTL logic check.
  • TES-1162

    Thermo / Hygro / Barometer

    • 1.8%RH high Accuracy Humidity measurement
    • Triple LCD displays Barometric pressure,
      Temperature, and Relative humidity
    • 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
  • TES-1337B

    Lux Intensity Meter

    • Application:Street Lighting,tummel lighting,etc.
    • Luminous intensity(cd)=Lux x Distance²
    • Spectral correction factor function (include LED)
    • User calibration function (CAL)
    • Dual Display, 4-digit LCD reading.
    • Spectral Sensitivity close to CIE photopic Curve.
    • Measuring Levels Ranging 0.01 to 200.0 Klux, 0.001 to 20.00 Kfc,
      Autoranging 5 step.
    • Accurate and Instant response.
    • Luminous intensity measurement.
    • Data Hold function.
    • Data memory and read function.
    • Point - average function.
    • Auto power off function.
  • PROVA-A1/PROVA-A3

    DC/AC Clamp Meter

    • Five kinds of Dual display:
      Hold + Average
      Max + Min
      ΔMax + ΔMin
      Peak Max + Peak Min
      Δ Peak Max + Δ Peak Min
    • With Backlight
    • Auto Range: V, A, Resistance, Capacitance and Temperature.
    • Auto-Power-off function (30 min)
    • Ideal for works in crowded switch box or cable areas
  • 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
    • 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-3013 / TES-3014

    Digital Clamp Meter

    • Category: CAT II 1000V , CAT III 600V
    • Capacitance measurement 2000µF.
    • Variable-frequency drive VFD voltage & Current measurement.
    • ACA: 600A (3013), 1000A (3014)
    • Peak / Data Hold.
    • Frequency Count / Diode Check.
    • Continuity Buzzer.
  • 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.
    • Backlight display function.
    • Auto datalogging & USB interface.
  • PROVA 1660

    Transformer Turns Ratio Meter

    • Measurements of 1Φand 3ΦTransformer/VT/CT Turns Ratio.
    • VT/PT ratio 0.8~10000, CT ratio 0.8~2000.
    • Graphical and Literal Illustration of Measurements and Connections with Large Back-lighted Dot Matrix 240 x 128 LCD. Display Test Data with Nameplate Transformer Values for Easy Interpretation.
    • Ten Test Frequencies (50~400Hz).
    • Display Turns Ratio, Deviation, Secondary Output, Excitation Voltage and Current, Phase Angle and Nameplate Transformer/VT/CT Values in one page for easy transformer quality interpretation.
    • Check for Live Test Points, Short Circuit, Open Circuit, and Reverse Polarity before Each Measurement. Message is displayed to Warn Users (But, checking is not performed once measurement starts).
    • Store 4096 Files of Transformer Nameplate Values (VT/PT/CT, 1Φ/3Φ, Test Frequency, Primary and Secondary Voltages or Ratio, RCF) and Measuring Data.
    • 9 types of 3Φ Windings Connections pre-installed for easy user selection.
    • Wireless Blue Tooth Communication with PC.
    • Select Filter to Remove Field Noise (Slow, Normal, Fast).
    • Disable or Enable Auto-Power-Off with Programmable Time.
    • Built-in calendar clock.
      Records with Date and Time Stamp.
    • Powerful Lithium Battery (3400mAH) with built-in Charging Circuit.
    • User Programmable RCF (Reference Correction Factor, 0.99~1.01) to Correct Accuracy within 1% Error.
    • Friendly File System for Easy On-site Data Retrieval and Nameplate Values Management.
    • PC Application Software included.
  • 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.
  • TES-1160 / 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.
    • Manual data memory and read function.
    • Auto data logger function. (1161)
    • USB Interface. (1161)
  • TES-1150/TES-1151

    Digital Sound Level Meter

    • 0.1dB resolution.
    • Range from 30 to 130dB.
    • Maximum hold function.
    • A, C, Z frequency weightings.
    • A, C, Z peak hold function.
    • Fast, Slow and Impulse dynamic characteristic models.
    • AC/DC output jack.
    • Back-screw for tripod fixture.
    • Micro-USB (1151)
    • Auto data memory microSD CARD 4GB. (1151)
  • TES-2900

    True RMS MULTIMETER

    • Variable – frequency drive (VFD) V & Hz measurement.
    • Lo – Z voltage measurement to drain ghost voltages.
    • Check 3 phase sequence.
    • Voltage harmonic ratio measurement.
    • Smart ohm for ground resistance measurement.
    • Data hold & Auto hold mode.
    • Max/Min/Avg record mode.
    • Relative value display.
    • Frequecy count. (Auto-Range)
    • Temperature type K, J measurement.
    • Capacitance measurement.
    • Data memory & read function.
  • TES-5321 / TES-5322

    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-5322)
    • PM2.5 MAX/MIN with time stamp function
    • 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
  • TES-1358E

    Sound Analyzer

    • Compliant with IEC 61672-1 class 1 standard.
    • Real-time 1/1-Octave and 1/3-Octave analysis.
    • Measurement can be started by internal or external trigger.
    • Comparator output to trigger external devices.
    • Super high – contrast backlight TFT – LCD color display.
    • Dynamic range of 90dB.
    • AC and DC outputs.
    • Data transfer using USB.
    • micro SD CARD 4GB.
  • 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-5110

    Particle Counter

    • Six particle size channels : 0.3μm, 0.5μm, 1.0μm, 2.0μm, 5.0μm, 10μm
    • 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-1358C

    Sound Analyzer Real Time 1/1 & 1/3 Octave band Analysis

    • Super high – contrast backlight TFT – LCD color display.
    • Compliant with IEC 61672-1 class 2 standard
    • Real-time 1/1-Octave and 1/3-Octave analysis.
    • Measurement can be started by internal or external trigger.
    • Comparator output to trigger external devices.
    • Data transfer using USB.
    • Dynamic range of 90dB.
    • Real time clock with calendar.
    • AC and DC outputs.
    • micro SD CARD 4GB.
  • TES-137

    Luminance Meter

    • Dual Display, 4-digit LCD reading.
    • Spectral Sensitivity close to CIE photopic Curve.
    • Measuring Levels Ranging 0.001 to 1999k cd/m2, 0.001 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.
    • Backlit function.
    • Comparator function.
    • Data Hold function.
    • Data memory and read function.
    • Data logger function.
    • USB Interface.
  • TES-136

    CHROMA METER

    • Triple Display, 4-digit LCD reading.
    • LED Color Bin select function (x,y) or (Tcp,Δuv).
    • User calibration function.
    • User reference value setting function.
    • Illuminance maximum/minimum measurement function.
    • Data Hold function.
    • Data memory and read function.
    • Data logger function.
    • USB Interface.
  • TES-3900/TES-3901

    Clamp Meter/Trms Clamp Meter

    • Variable-frequency drives (VFD) V & Hz measurement.
    • LoZ voltage measurement to drain ghost voltages.
    • Check 3 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 & Harmonic ratio measurement. (3901)
    • Data hold, Auto hold & Peak hold mode.
    • Max/Min record mode.
    • Data memory & read function.