# RE300 Extech Meter New

**Features:** 

-   Measures ORP/Redox from -999 to 999mV
-   Automatic electronic self calibration
-   Simulated analog bargraph displays change in ORP reading
-   High resolution of 1mV
-   Memory stores and recalls 15 readings and saves last calibrated value
-   Data validation indicators show user the reading is stabilized
-   Data Hold, Auto shut-off and low battery indication

**Specifications:**

-   ORP (mV): -999 to 999mV
-   Max Resolution: 1mV
-   Basic Accuracy: ±4mV
-   Memory: 15 readings
-   Dimensions/ Weight: 1.4x6.8x1.6" (35.6x172.7x40.6mm)/ 3.8oz (110g)

The RE300 is an ORP meter from Extech.

## Details

- **Price:** 149.0 USD
- **Vendor:** Extech
- **Type:** Met Oth
- **Tags:** Extech, Manufacturers, Meters & DAQ, Other, product_manual_group_2, Product_new

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 149.00 USD | In stock |

## Images

- RE300 Extech Meter

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> Source: [ValueTronics](https://valuetronics.com/products/re300-extech-meter-new)
> Updated: 2026-05-21