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Extech 461920 Mini Laser Photo Tachometer Counter with NIST
Item #:
EXT-461920-NIST
Brand:
Extech
Share this product:
461920 Mini Laser Photo Tachometer Counter with NIST by Extech
Features
- Make non-contact RPM measurements of rotating objects
- Use reflective tape on object to be measured and point the integral laser
- Memory button holds last reading and recalls min/max readings
- Counter function counts up to 99,999 revolutions
- Easy to read large 5 digit LCD display
- Rugged double molded housing for better grip
- Complete with 9V battery and reflective tape
| Time base | Quartz crystal |
| Display | 5 digit LCD display |
| Laser light source | Class 2 laser < 1mW power; Wavelength is 630 to 670nm |
| Detecting Distance | 2 to 20" (50 to 500 mm) |
| Sampling Time | 0.5sec (over 120 rpm) |
| Tachometer accuracy | ± (0.05% reading + 1digit) |
| Memory | Last reading and MIN/MAX readings |
| Operating Conditions | 32 °F to 122 °F (0 °C to 50 °C); RH 80% Max |
| Power Supply | Internal 9V battery or external AC Adaptor (6 to 9VDC) |
| Power Consumption | 45mA DC approx. |
| Weight | 5.3oz. (151g) |
| Size | 6.3x2.3x1.6" (160x58x39 mm) |
Range |
Resolution |
Accuracy (%rdg) |
|
Photo Tachometer |
2 to 99,999 rpm |
0.1 rpm (<1000rpm) 1 rpm (>1000 rpm) |
± (0.05% + 1d) |
Counter |
1 to 99,999 REV |
1 count |
± 1 count |
