# 461950-NIST Extech Tachometer New

**Features**

-   NIST Traceable
-   Measure rpm from 5 to 99,990rpm with microprocessor quartz crystal accuracy of 0.05%
-   Large LED display updates 1/sec (rpm<60)
-   Resolution: 0.1rpm (5 to 1000rpm), 1rpm (1000 to 999rpm), 10rpm (10,000rpm to 99,990rpm)
-   Unique design permits rpm measurements of a one hole gear or disk eliminating the need for special gears;
-   Optional proximity and photo sensors

**Specifications**

-   rpm: 5 to 99,990rpm
-   Basic accuracy: ±0.05%
-   Resolution: 0.1rpm (5 to 1000rpm), 1rpm (1000 to 9999rpm), 10rpm (10,000rpm to 99,990rpm)
-   Power: 115V or 230V AC; 50/60Hz
-   Dimensions/Weight: Bezel 3.8x1.9x2.4" (96x48x60mm); Panel cutout 3.6x1.8" (92x45mm) Meter 3.6x3.5x1.7" (92x90x42mm)/ 14oz (397g)
-   Sampling Time: 1sec>60rpm, >1sec>10 to 60rpm
-   Dimensions/Weight: 4.9x2x1.3" (124x50x33mm)/ 4oz (114g)

The 461950 is a 1/8 DIN Panel Tachometer. Measure rotational motor speed, moving fans, pumps, gears, propeller devices. Choice of 2 sensor pickup types: Proximity sensor-0.1 in. (3 mm) target distance, range up to 36,000rpm (600Hz); Photoelectric sensor-0.4 in. (10 mm) target distance, range up to 6,000rpm (100Hz). 1/8 DIN size. Powered by 115/230VAC 50/60Hz.

## Details

- **Price:** 316.5 USD
- **Vendor:** Extech
- **Type:** Tachometer
- **Tags:** Extech, Manufacturers, Meters & DAQ, product_manual_group_2, Product_new, Tachometer

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 316.50 USD | In stock |

## Images

- 461950-NIST Extech Tachometer

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> Source: [ValueTronics](https://valuetronics.com/products/461950-nist-extech-tachometer-new)
> Updated: 2026-05-21