Specifications; General Specifications; Range Specifications - Extech Instruments 461995 User Manual

Specifications

General Specifications

Circuit
Time base
Display
Laser light source
Detecting Distance
Memory
Operating Conditions
Power Supply
Power Consumption
Weight
Size
Accessories

Range Specifications

Range
Photo 10 to 99,999 rpm
Tachometer
Contact 0.5 to 19,999 rpm
Tachometer
Surface 0.2 to 6560 ft/min
Speed
Surface 0.05 to 1999.9 m/min 0.01 m/min (<100m/min)
Speed
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Custom one-chip LSI microprocessor circuit
Quartz crystal 4.194 MHz
Reversible 5 digit 0. 10mm (4") LCD display
Less than 1mW; Class 2 red laser diode (645nm approx.)
50 to 2000 mm (2 to 79") depending on ambient light and RPM
Last reading and MIN/MAX readings
0 °C to 50 °C (32 °F to 122 °F); RH 80% Max
4 x 1.5 V AA batteries
20mA DC approx.
300g (10.6oz) including battery)
210 x 67 x 38 mm (8.5 x 2.6 x 1.5")
(4) x 1.5V batteries, reflective tape 600mm (24"), surface
speed/rpm rotating attachments, and carrying case
Resolution
0.1 rpm (<1000rpm)
1 rpm (>1000 rpm)
0.1 rpm (<1000rpm)
1 rpm (>1000 rpm)
0.1 ft/min (<1000ft/min)
1 ft/min (>1000ft/min)
0.1 m/min (>100 m/min)
6
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Accuracy (%rdg)
± (0.05% + 1d)
± (1% + 1d)
461995-EU-EN v1.5 07/13