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Extech 461750 PocketTach Mini Contact Tachometer with NIST
Item #:
EXT-461750-NIST
Brand:
Extech
Share this product:
461750 PocketTach® Mini Contact Tachometer with NIST by Extech
Features
- Large easy to read (99,999 count) LCD display
- Autoranging with 0.1% basic accuracy
- Hold button freezes displayed reading
- Ergonomically designed and pocket sized housing with protective finger guard
- Easy to operate by simply contacting the rotating object with the sensor tip and read
- 461750 Contact model with surface wheels enable tachometer to measure linear surface speeds in ft/min, m/min, and yd/min
- 461700 Non-contact integral light beam model with ideal measurement range up to 6" (150mm) distance
- Complete with 9V battery; 461700 includes reflective tape and 461750 includes surface wheels
| Display | 5-digit LCD Display |
| Range selection | Automatic range selection |
| Time Base | 4MHz Quartz Crystal |
| Sampling Time | 1 second (>60 rpm); >1 second (10 to 60 rpm) |
| Photo Tachometer Distance | 2 to 12" (5 to 30cm) |
| Operating Temperature | 32 to 122°F (0 to 50°C) |
| Operating Humidity | 80% RH Max. |
| Power supply | 9V Battery |
| Battery Life | 40 hours (approx.) |
| Applicable standards | EN 50081-1/1992 (EN 55022) EN 50082-1/1997 (EN 55024) |
| Dimensions | 461700: 4.9 x 2.0 x 1.3" (124 x 51 x 33mm) 461750: 5.9 x 2.0 x 1.3" (150 x 51 x 33mm) |
| Weight | 461700: 4.0 oz. (114g); 461750: 5.0 oz. (142g) |
Measurement |
Range |
Accuracy |
Rotation (461700 Photo) |
10.000 to 99999 rpm |
± (0.1% reading + 2 digits) |
Rotation (461750 Contact) |
10.000 to 9999 rpm |
± (0.1% reading + 2 digits) |
Surface Speed (461750) |
3.0000 to 6560.0 ft/min |
± (1.5% reading + 2digits) |
1.0000 to 1999.9 m/min |
||
1.0000 to 5000.0 yds/min |
