# 461891-NIST Extech Tachometer New

**Features**

-   NIST Traceable
-   0.05% basic accuracy
-   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

**Specifications**

-   rpm: 0.5 to 20,000
-   ft/min: 0.2 to 6560
-   m/min: 0.05 to 1999.9
-   Basic Accuracy: ±0.05%rdg
-   Max rpm Resolution: 0.1rpm
-   Dimensions: 6.7x2.8x1.5" (170x27x37mm)
-   Weight: 9.2oz (260g)

The 461891 is a contact Tachometer. Surface wheels measure contact surface speeds (10 to 9,999 rpm) of rotating objects. The memory button holds last reading and recalls min/max readings display. Complete with wheels for linear surface speed (0.2 to 6560 feet/minute; 0.05 to 1999.9 meters/minute) or RPM measurements. Comes with cone tip, flat tip and spare wheel for surface speed measurements, four AA batteries, carrying case, and user manual.

## Details

- **Price:** 346.5 USD
- **Vendor:** Extech
- **Type:** Tachometer
- **Tags:** Extech, Manufacturers, Meters & DAQ, product_manual_group_2, Product_new, Tachometer

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 346.50 USD | In stock |

## Images

- 461891-NIST Extech Tachometer

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> Source: [ValueTronics](https://valuetronics.com/products/461891-nist-extech-tachometer-new)
> Updated: 2026-05-21