Digital Tachometer RM-1500/ RM-1501

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)

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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 50C (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