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461923 Datasheet(PDF) 2 Page - Extech Instruments Corporation. |
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461923 Datasheet(HTML) 2 Page - Extech Instruments Corporation. |
2 / 4 page 461923 V1.3 /02 2 Safety 1. Use extreme caution when the laser beam is ON 2. Do not point the beam toward anyone's eye 3. Be careful not to let the beam strike the eye from a reflective surface. 4. Do not use the laser near explosive gases or in other potentially explosive areas Specifications General Specifications Circuit Custom LSI microprocessor circuit Time base Quartz crystal 4.194 MHz Display 5 digit, 0.4" (10mm) LCD display with function indicators Measurement range 5 to 99,999 RPM Accuracy +(0.05% reading + 1 digit) Resolution 0.1 RPM (<1000 RPM); 1 (>1000 RPM) Laser light source Less than 1mW; Class 2 red laser diode (645nm approx.) Detecting Distance 2 to 79" (50 to 2000 mm) with 10mm reflective tape and 1800rpm (ambient light, tape size and RPM will effect maximum distance) 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 (UM 3) batteries Power Consumption 20mA DC approx. Weight 0.55 lbs. (250g) including battery) Size 7.5 x 2.8 x 1.5" (190 x 72 x 37 mm) Accessories 4- 1.5V batteries, reflective tape 24" [600mm], and carrying case |
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