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Extech 461891 Contact Tachometer
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Extech 461891
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Features:
- Make contact measurements of rotating objects
- Measure linear surface speeds in ft/min or m/min using three accessory wheels provided
- Recalls Last/MAX/MIN values
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Description
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Fast and accurate RPM and surface speed measurements. Careful use of this decade box will provide years of reliable service.
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Models, Options, & Accessories
| Model |
Description |
List Price |
Sale Price |
| 461891 |
TACHOMETER, CONTACT |
| $199.99 |  |
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| 461891-NIST |
TACHOMETER W/NIST 461891 |
| $274.99 | |
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| 461893 |
TACHOMETER, PHOTO |
| $199.99 | |
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| 461893-NIST |
TACHOMETER W/NIST 461893 |
| $274.99 | |
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| Model |
Accessories |
List Price |
Sale Price |
| 461899 |
WHEEL, PKG OF 3 FOR CONTACT TACHOMETER |
| $20.00 | |
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| 461936 |
TAPE, REFLECTIVE, 5 PAK FOR PHOTO TACHOMETER |
| $20.00 | |
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Specifications
| General Specifications |
| Circuit |
Custom one-chip LSI microprocessor circuit |
| Time base |
Quartz crystal |
| Display |
5-digit multi function LCD display |
| Measurements |
Rotation Speed 0.5 to 19,999 rpm |
| Surface Speed |
0.2 to 6560 ft/min. 0.05 to 1999.9 m/min |
| Memory |
Last and Max/Min readings |
| Sampling Time |
1 second |
| Operating Temperature/RH |
32 °F to 122 °F (0 °C to 50 °C) / <80% RH |
| Power Supply |
4 x 1.5V AA batteries |
| Power Consumption |
Approx. 10 mA |
| Weight |
0.62 lb (280 g) including batteries |
| Dimensions |
8.2 x 2.8 x1.5" (208 x 72 x 37 mm) |
| Accessories |
Cone rpm adaptor, funnel rpm adaptor, surface speed, test wheel, and carrying case |
| Range Specifications |
| Rpm |
0.5 to 19,999 rpm |
| ft/min |
0.2 to 6560 ft/min |
| m/min |
0.05 to 1999.9 m/min |
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