Anemometer/ Tachometer

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RM-1500 / RM-1501

Digital Tachometer

Product Features
  • 5 Digits LCD Display
  • Light Reflex Measurement
  • Range 10.00 to 99,999 RPM
  • Measuring Distance 50 to 300mm
  • Event counter with elapsed time
  • RM-1502 optional Contact Adaptor
  • Max / Min / Hold : True Average
  • Auto Range RPM
  • RS-232 Interface for Model RM-1501
  • Contact RPM and circumferential velocity measurements in one simple adaptor(RM-1502)
Digital Tachometer

Specifications:

Speed (Non-contact):

 
Range
Resolution
Accuracy
RPM
10 - 99990
0.01/0.1/1
0.04% ±2 dgts
±0.06RPM
rps(Hz)
0.2000 - 2000.0
0.001/0.01/0.1
0.04% ±2 dgts

Speed (Contact):

 
Range
Resolution
Accuracy
RPM / (symbolizes "Contact")
 
10.000 - 29999
 
0.001/0.01/0.1/1
 
 
0.04% ±2 dgts
m/min
1.000 - 2999.9
 
0.001/0.01/0.1
ft/min
3.000 - 10000
yard/min
1.000 - 3000

 Event Counter:

Range
Max. Input Frequency
0 - 99999
10KHz. with 5% duty cycle

                       

General Specifications: 

External TTL Input:    
High > 4.5V (RM-1501)
Display:                      
5 digits 99999 counts
Sampling Rate:
0.7 second (> 60 rpm)
> 1 second (10 to 60 rpm)      
Measuring Distance:
50 to 300 mm
Time Base:
4.0 MHz Quartz Crystal
Range Selection:
Automatic
Battery:
Four 1.5V batteries (AA, UM-3)
Power Consumption:
1.5mA (Idle)   
27mA (Non-contact, measurement)
34mA (contact, measurement)
Auto-Power-Off:
30 minutes.
Operating Temp.
0 to 50°C
(32 to 122 °F)
Size:
172 mm x 63 mm x 36 mm 
(6.8" x 2.5" x 1.5")
Weight:
190 g / 6.7 oz (including battery)
Accessories:
Carrying case x 1
Reflective tape x 1
Instruction Manual x 1
1.5V AA Batteries x 4
RS-232 cable x 1 (for RM-1501 only)
Software CD x 1 (for RM-1501 only)
Software Manual x 1 (for RM-1501 only)
Option:
RM-1502 Adapter
for contact measurement