# RH-520 Extech Recorder Used

**Features**

-   Simultaneous numerical and graphical display of Humidity and Temperature readings, plus Time and Date
-   Measures Humidity (10 to 95%RH) and Temperature (-20.0°F to 140.0°F) plus calculates Dew Point
-   Large dual graphical LCD displays with adjustable vertical and horizontal TAC resolution
-   Internal memory records up to 49,000 data points and can be transferred to a PC via RS-232 serial port for further data analysis
-   LCD indicates percentage of memory remaining
-   Replaceable probe does not require recalibration
-   Detachable probe extends up to 1 meter for measurements in closed environments
-   Audible and visual alarm with Hi/Low setpoints
-   Output socket used with optional external alarm module
-   Scroll the cursor to display selected data recorded
-   Desk or wall mount
-   Complete with built-in stand, detachable probe with 3ft (1M) cable, RS232 cable, 110VAC adaptor and 3 AA batteries

**Specifications**

-   Relative Humidity Range: 10.0 to 95.0%
-   Temperature Range: -20.0 to 140.0°F (-28.0 to 60.0°C)
-   Accuracy: ±3% Relative Humidity; ±1.8°F/±1°C
-   Dimensions: 5 x 7.7 x 0.9" (129x195x22mm)

Monitor and record Laboratory or clean Room temperature and humidity history.

## Details

- **Price:** 0.0 USD
- **Vendor:** Extech
- **Type:** Recorder
- **Tags:** Extech, Manufacturers, Other Equipment, product_manual_group_2, Product_used, Recorder

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 0.00 USD | In stock |

## Images

- RH-520 Extech Recorder Used

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> Source: [ValueTronics](https://valuetronics.com/products/rh-520-extech-recorder-used)
> Updated: 2026-05-21