User's Guide
MultiMeter Tachometer Adapter
Model 461900
•
RPM Measurements to 19, 990
•
Connects to any standard DMM
•
Portable, Battery Operated
•
Up to 12” measurement distances
Introduction
Congratulations on your purchase of Extech’s Tachometer Adapter. This professional device,
with proper care, will provide years of safe reliable service.
Specifications
Measurement Range
Resolution
Adapter Output
Accuracy
Detection distance
Power Supply
Dimensions/Weight
Range A: 100 to 1999 RPM; Range B: 1000 to 19990
1 or 10 RPM depending upon range
0.1mVDC per 1 RPM in Range A; 10 RPM in Range B
± (1.2% + 2 digits)
2 to 6" (50 to 150mm);
12" (300mm) distances possible with low ambient light
Four 1.5V 'AA" batteries (UM-3 or equivalent)
6.7x2.8x1.5" (170x72x37mm); 0.55 lbs. (250g)
EXTECH [ EXTECH INSTRUMENTS CORPORATION. ]
