---
title: R38 Basic Controller
url: https://opti-tech.ca/product/r38-basic-controller/
date: 2025-08-06T23:42:23+00:00
modified: 2025-08-11T20:11:35+00:00
lang: en_CA
---

# R38 Basic Controller

The **R38 Basic PID Set-point Controller** is used in the AX series Ovens together with a thermocouple sensor.

## Standard features

- A simple easy to use controller that is fitted to the AX series ovens
- Providing accurate PID (proportional integral derivative) control
- Panel mounted device with a clear red LED display

## Options (*specify these at time of order*)

- Optional over-temperature protection is available by the addition of an additional through the panel temperature control instrument
- Optional hydraulic thermostat for low cost over-temperature protection

R38 Basic Controller

Technical Specifications

| Control technology | Digital PID |
| --- | --- |
| Display H x W (mm) | Red LED numerical 20 x 50 |
| Configuration | Panel mounted |
| Dimensions H x W (mm) | 35 x 78 |

Content may be subject to modifications or corrections