Specifications
General Specifications
Custom one-chip LSI microprocessor circuit
Quartz crystal 4.194 MHz
Circuit
Time base
Reversible 5 digit 0.4" (10mm) LCD display
Less than 1mW; Class 2 red laser diode (645nm approx.)
2 to 79" (50 to 2000 mm) depending on ambient light and RPM
Last reading and MIN/MAX readings
32 °F to 122 °F (0 °C to 50 °C); RH 80% Max
4 x 1.5 V AA batteries
Display
Laser light source
Detecting Distance
Memory
Operating Conditions
Power Supply
Power Consumption
Weight
20mA DC approx.
10.6oz. (300g) including battery)
8.5 x 2.6 x 1.5" (210 x 67 x 38 mm)
Size
(4)1.5V batteries, reflective tape 24" [600mm], surface
speed/rpm rotating attachments, and carrying case
Accessories
Range Specifications
Range
Resolution
Accuracy (%rdg)
Photo
10 to 99,999 rpm
0.1 rpm (<1000rpm)
± (0.05% + 1d)
Tachometer
1 rpm (>1000 rpm)
0.1 rpm (<1000rpm)
1 rpm (>1000 rpm)
0.1 ft/min (<1000ft/min)
1 ft/min (>1000ft/min)
Contact
Tachometer
0.5 to 19,999 rpm
0.2 to 6560 ft/min
Surface
Speed
Surface
Speed
± (1% + 1d)
0.05 to 1999.9 m/min 0.01 m/min (<100m/min)
0.1 m/min (>100 m/min)
3
461995 V1.3 7/02
EXTECH [ EXTECH INSTRUMENTS CORPORATION. ]
