Battery Replacement; Specifications; Range Specifications - Extech Instruments 461920 User Manual

Battery Replacement

The low battery indication appears as "
screws securing the rear battery cover and lift the cover off. Replace the 9V battery and replace cover.
Never dispose of used batteries or rechargeable batteries in household waste. As consumers, users are legally
required to take used batteries to appropriate collection sites, the retail store where the batteries were purchased,
or wherever batteries are sold.
Disposal: Do not dispose of this instrument in household waste. The user is obligated to take end-of-life devices to
a designated collection point for the disposal of electrical and electronic equipment.

Specifications

Time base
Display
Laser light source
Detecting Distance
Sampling Time
Tachometer accuracy
Memory
Operating Conditions
Power Supply
Power Consumption
Weight
Size
Parts

Range Specifications

Photo Tachometer
Counter
" on the display. To replace the batteries, loosen the two Philips head
Quartz crystal
5 digit LCD display
Class 2 laser < 1mW power; Wavelength is 630 to 670nm
2 to 20" (50 to 500 mm)
0.5sec (over 120 rpm)
± (0.05% reading + 1digit)
Last reading and MIN/MAX readings
32 °F to 122 °F (0 °C to 50 °C); RH 80% Max
Internal 9V battery or external AC Adaptor (6 to 9VDC) (Part# UA100-240)
45mA DC approx.
5.3oz. (151g)
6.3x2.3x1.6" (160x58x39 mm)
Reflective Tape Part # 461937
Range
2 to 99,999 rpm
1 to 99,999 REV
Resolution
0.1 rpm (<1000rpm)
1 rpm (>1000 rpm)
1 count
4
Accuracy (%reading)
± (0.05% + 1d)
± 1 count
461920-en-GB_V2.6 10/16