461995 datasheet(3/6 Pages) EXTECH

3 / 6 page

461995 V1.3 7/02

Specifications

General Specifications

Circuit

Custom one-chip LSI microprocessor circuit

Time base

Quartz crystal 4.194 MHz

Display

Reversible 5 digit 0.4" (10mm) LCD display

Laser light source

Less than 1mW; Class 2 red laser diode (645nm approx.)

Detecting Distance

2 to 79" (50 to 2000 mm) depending on ambient light and RPM

Memory

Last reading and MIN/MAX readings

Operating Conditions

32 °F to 122 °F (0 °C to 50 °C); RH 80% Max

Power Supply

4 x 1.5 V AA batteries

Power Consumption

20mA DC approx.

Weight

10.6oz. (300g) including battery)

Size

8.5 x 2.6 x 1.5" (210 x 67 x 38 mm)

Accessories

(4)1.5V batteries, reflective tape 24" [600mm], surface

speed/rpm rotating attachments, and carrying case

Range Specifications

Range

Resolution

Accuracy (%rdg)

Photo

Tachometer

10 to 99,999 rpm

0.1 rpm (<1000rpm)

1 rpm (>1000 rpm)

Contact

Tachometer

0.5 to 19,999 rpm

0.1 rpm (<1000rpm)

1 rpm (>1000 rpm)

± (0.05% + 1d)

Surface

Speed

0.2 to 6560 ft/min

0.1 ft/min (<1000ft/min)

1 ft/min (>1000ft/min)

Surface

Speed

0.05 to 1999.9 m/min 0.01 m/min (<100m/min)

0.1 m/min (>100 m/min)

± (1% + 1d)

461995 Datasheet(PDF) 3 Page - Extech Instruments Corporation.

461995 Datasheet(HTML) 3 Page - Extech Instruments Corporation.

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