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Extech 461893 Photo Tachometer with NIST
Item #:
EXT-461893-NIST
Brand:
Extech
Share this product:
461893 Photo Tachometer with NIST by Extech
Features
- Large 5 digit LCD display is easy to read
- Built-in memory recalls last MAX/MIN value stored
- Autoranging with 0.05% accuracy
- Non-contact measurements from 5 to 99,999rpm
- Use reflective marker on object to be measured and point the integral light beam or accurate readings updated every second
- 2 to 6 inches (50 to 150mm) measurement distance (depending on ambient light)
- Complete with 23" reflective tape, four AA batteries and case
| Meter circuitry | Custom one-chip LSI microprocessor |
| Time base | Quartz crystal |
| Display | 5-digit (99999 count) 0.4" (10mm) multi-function LCD |
| Measurement | 5 to 99,999 RPM in 2 ranges |
| Range select | Automatic |
| Data Recording | LAST / MIN / MAX readings stored for later recall |
| Sampling time | 1 second (over 60 rpm) |
| Target distance | 2 to 6" (50 to 150mm) depending on ambient light |
| Operating Temperature | 32°F to 122°F (0°C to 50°C) |
| Power Supply | 4 x 1.5V 'AA' batteries |
| Power Consumption | Approximately 150 mA |
| Weight | 8.8 oz. (250 g) including battery |
| Size | 6.7 x 2.8 x1.5" (170 x 72 x 37mm) |
| Accessories | Reflective tape (23") and carrying case |
Measurement |
Range |
Resolution |
Accuracy |
RPM |
5 to 999.9 RPM 1,000 to 99,999 RPM |
0.1 RPM 1 RPM |
+(0.05% + 1 digit) +(0.05% + 1 digit) |
