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Extech 461501 Digital Tachometer Counter with PC Interface

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Extech 461501
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Features:
- Dual LCD (99,999 counts) displays rpm (revolutions/min) and rps (revolutions/sec)
- Counter mode used to count units on production lines
- Non-contact readings up to 1ft (25cm)
- MAX/MIN/AVG functions
- Built-in RS-232 PC interface for data acquisition and analysis
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Description
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This device measures rotational speed (non-contact measurement) or linear speed (contact measurement) using the optional mechanical adapter. This meter offers an RS-232 interface for PC connection, MIN/MAX/AVG readings, Data Hold, Counter, Elapsed Timer, Digital IN/OUT, and Auto Power OFF. Proper use and care of this meter will yield years of reliable service.
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Models, Options, & Accessories
| Model |
Description |
List Price |
Sale Price |
| 461501 |
TACHOMETER COUNTER WITH RS232 - Discontinued - suggested replacement: Shimpo DT-209X |
| 461501-NIST |
TACHOMETER COUNTER W/NIST #461501 - Discontinued - suggested replacement: SHIMPO DT-209X |
| Model |
Accessories |
List Price |
Sale Price |
| 461505 |
ADAPTOR, FOR CONTACT TACHOMETER - Discontinued - no replacement |
| 461936 |
TAPE, REFLECTIVE, 5 PAK FOR PHOTO TACHOMETER |
| $20.00 |  |
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Specifications
| General Specifications |
| Display |
Dual 5-digit (99999 count) multifunction LCD |
| Display update rate |
0.7 seconds (for 60 RPM) |
| Time base |
4MHz Oscillator (quartz crystal) |
| Measuring distance |
2 to 11.8” (50 to 300mm) |
| Power supply |
Four 1.5V AA Batteries |
| Power consumption |
35mA |
| Range selection |
Automatic ranging |
| Auto Power OFF |
After 30 minutes (can be deactivated) |
| Operating temperature |
32 to 122F (0°C to 50°C) |
| Dimensions |
6.8 x 2.5 x 1.5” (172 x 63 x 36mm) |
| Weight |
6.7 oz. (190g) |
| Non-Contact Speed Measurements |
| RPM |
10.00 – 99999 |
| Hz (rotations per sec) |
0.200 – 2000.0 |
| Contact Speed Measurements |
| RPM |
20.00 – 29999 |
| M/min |
1.000 – 2999.9 |
| Ft/min |
3.00 – 10000 |
| Yard/min |
1.00 – 3000 |
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