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The PT-121 Imperial Units Tachometer is part of Shimpo Instruments’ PT-120 series of Contact Tachometers.
Essential for applications like rotational machine inspection and process speed analysis, the PT-121 boasts an expansive backlit LCD allowing users to clearly and easily view readings in a variety of working conditions. Readings can be derived from the tachometer in RPM, feet and feet per minute all by way of a simple selection switch. For even more efficient testing, the PT-121 automatically saves the maximum, minimum, last recorded values and up to 96 logged data readings. For the ultimate value, the PT-121 comes supplied with a protective carrying case, 3 AAA batteries, contact wheel and several contact adapters.
Range | 0.5-19,999 RPM, 0.16-6559.6 ft/min, 0.16-99,999 ft |
Resolution | 0.1 RPM (0.5-999.9 RPM), 1 RPM (above 1000 RPM) 0.01 m/min (0.05-99.99 m/min), 0.1 m/min (100+ up m/min) 0.02 m (0.05-99,999 m) 0.03 ft/min (0.16-99.99 ft/min), 0.3 ft/min (100 ft/min and up) 0.04 ft (0.16-99,999 ft) |
Display | 5 digit, 0.7” (18 mm) LCD |
Accuracy | +/-0.05% + 1 digit |
Sampling Time | 0.8 second (over 60 RPM) |
Memory | Automatically stores Maximum (UP), Minimum (dn), last value (LA) and up to 96 readings for review. Maximum speed for reading storage is every 0.8 seconds. |
Dimensions | 6.7 x 2.8 x 1.4 (170 x 70 x 35 mm) |
Power | 3 x 1.5V AAA battery |
Enclosure | ABS plastic housing |
Product Weight | 0.45 lb (0.20 kg) |
Package Weight | 1.00 lb (0.45 kg) |
Certifications | CE |
Warranty | 1-Year |
Included Accessories | 3 AAA batteries, protective carrying case. Large & small cone adapter, funnel, surface wheel, 3.87” (98.3 mm) cir. |
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- Motor Testing Instruments
- Maintenance Instruments
- Test Equipment
- Speed Instruments
- Process Speed Analysis
- Rotational Machine Inspection
