Digital Tachometer

Category: Tachometers

Quantity:

Model number : RM-1500 / RM-1501

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)

Speed ( Optical )

Speed ( Contact )

Event Counter

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

General Specification

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 300mm
Time Base	4.0 MHz Quartz Crystal
Range Selection	Automatic
Battery	Four 1.5V batteries (AA, UM-3)
Power Consumption	1.5mA(Idle) 5mA ( 1000.0 - 99999 rpm ) 25mA (10.00 - 999.99 rpm ) 25mA (Max, Min or Ave Enabled) 25mA (Event Counter)
Auto-Power-Off	30 minutes.
Operating Temp.	0 ℃ ~ 50 ℃ ( 32 ℉ ~122 ℉ )
Size	72 mm x 63mm x 36mm (6.8' x 2.5' x 1.5')
Weight	190g (6.7 oz.) (including battery)
Accessories	Carrying Case x 1 ,Reflective tape x 1 , Instruction Manual x 1 (Software & RS-232 interface for RM-1501)
Optional accessories	RM-1502 Contact Adaptor

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