You save 26,810 (36%)
Estimated doorstep delivery by 21 Nov - 23 Nov from USA
High-Precision RPM & Surface Speed Measurement
Extech 461891 is a precision contact tachometer designed for industrial maintenance and quality assurance. It measures rotational speed from 0.5 to 19,999 RPM with ±0.05% accuracy, autoranging for fast, reliable readings. The device features a large 5-digit LCD, 1-second sampling, and built-in memory to store Last, Max, and Min values, capturing critical events. It comes with cone and funnel adapters, surface speed wheel, spare wheel, four AA batteries, rugged carrying case, and user manual—ready to operate immediately. Ideal for motors, conveyors, fans, pumps, rollers, and production lines. Supports surface speed measurement from 0.2 to 6560 ft/min or 0.05 to 1999.9 m/min using accessory wheels. Optional NIST-traceable calibration is available (461891-NIST). Factory-sealed, imported from USA, with all duties included, arrives in 11-13 days.
High Accuracy & Reliability
Extech 461891 offers ±0.05% precision with autoranging, ensuring dependable readings in demanding industrial environments. Its NIST-traceable calibration option supports compliance and quality standards.
Suitable for Maintenance & Quality Assurance
Designed for motors, conveyors, fans, pumps, and production lines, this tachometer supports surface speed and RPM measurements, helping Indian factories optimize performance and reduce downtime.
Typical situations where Extech Contact Tachometer 461891 | Precision RPM & Surface Speed Measurement helps — illustrative scenarios, not customer reviews.
An engineer in Mumbai maintains conveyor belts and needs accurate RPM readings for quality checks.
Uses Extech 461891 to measure RPM from 0.5 to 19,999 with high precision, saving time and ensuring compliance; arrives in 11-13 days.
| Measurement Accuracy | +/-0.05% |
| Measurement Range RPM | 0.5 - 19,999 RPM |
| Surface Speed | 0.2 - 6560 ft/min, 0.05 - 1999.9 m/min |
| Measurement Modes | RPM, surface speed |
| Reapplication math | N/A |
| Shelf life after opening | Factory-sealed, use within 12 months |
| How to use | Attach contact tip or accessory wheel, select mode, press start, read RPM or surface speed. |
| Cost per use | ₹47,080 per count |
| Feature | Extech Contact Tachometer | Others |
|---|---|---|
| Measurement Range & Accuracy | 0.5-19,999 RPM with ±0.05% accuracy, autoranging | Most Indian tachometers measure up to 10,000 RPM with ±0.2% accuracy |
| Surface Speed Measurement | 0.2-6560 ft/min or 0.05-1999.9 m/min with accessories | Surface speed in ft/min or m/min often unsupported; limited accessory options |
| Accessories & Kit | Includes cone, funnel, surface wheel, spare wheel, case, manual | Basic models lack accessories; require additional purchase |
| Duties & Import | All duties paid, factory-sealed, imported from USA | Local tachometers sold at ₹10,000-₹20,000, with variable import duties |
| SKU | tkh8692 |
| GTIN | 00793950468913 |
| Brand | Extech |
| Model Number | 461891 |
| Material | Plastic |
| Color | Green/Orange |
| Item Weight | 0.27 kg (0.59 lb) |
About Extech
Extech is a leading manufacturer of test and measurement instruments, trusted worldwide for quality and precision in industrial tools.
Compliance & Legal
This is a measuring instrument; no medical or safety certifications required.
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This item:
Extech Contact Tachometer 461891 | Precision RPM & Surface Speed Measurement
47,080
This item
Extech Contact Tachometer 461891 | Precision RPM & Surface Speed Measurement
47,080
Total price:
54,770
You save 30,930 (36%) Extra3 items selected
3 items
54,770You save 30,930 (36%) Extra
| Attributes |  |  |  |  | |||
|---|---|---|---|---|---|---|---|
| Spec | |||||||
| Price | 47,080 73,890 | 3,600 5,520 | 4,090 6,290 | 1,550 3,550 | 41,780 61,140 | 6,220 6,800 | 1,650 2,330 |
| Brand Name | Extech | AGPTEK | Thsinde | Thsinde | Extech | Brady | 3M |
| Source | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail |
| Sold By | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow |
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