Specifications - Extech Instruments 461920 User Manual

Specifications

Time base
Display
Laser light source
Detecting Distance
Sampling Time
Memory
Operating Conditions
Power Supply
Power Consumption
Weight
Size
Range Specifications
Range
Photo 2 to 99,999
Tachometer rpm
1 to 99,999
Counter
REV
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)
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)
45mA DC approx.
5.3oz. (151g)
6.3x2.3x1.6" (160x58x39 mm)
Resolution
0.1 rpm
(<1000rpm)
1 rpm (>1000
rpm)
1 count
5 461920 V2.1V 5/07
Accuracy
(%rdg)
± (0.05% + 1d)