CAHO SR-T903 Temperature Controller Panel Meter

( Brand: Caho ), ( Manufacturer Part Number: SR-T903 ), ( Part Type: Controller Panel Meter )

Review CAHO Industrial Temperature Controller Panel Meter Used

The CAHO SR-T903 Temperature Controller Panel Meter is a versatile and reliable device designed to provide precise temperature control in a wide range of applications. This compact yet powerful panel meter measures up to 6.5 inches in width, making it an ideal addition to control panels in industries such as food processing, pharmaceuticals, HVAC, and laboratory settings.

The SR-T903 features a user-friendly LCD display that clearly shows temperature readings, setpoints, and alarms. The large, easy-to-read digits ensure that operators can quickly and accurately monitor temperature conditions without any confusion. The display also includes a backlight for improved visibility in low-light conditions.

The temperature controller incorporates a high-precision sensor that offers a measurement range of -58 F to 392 F (-50 C to 200 C). The thermal element is designed to provide fast and accurate temperature responses, ensuring that the device can handle rapid temperature changes without any issues.

The SR-T903 offers multiple output options, including relay contacts, 4-20mA current loop, and Modbus RTU communication. This versatility allows the temperature controller to seamlessly integrate with various control systems and equipment. The user-configurable alarms and control functions make it easy to set up temperature limits, and the device will send alerts when temperature thresholds are exceeded.

The CAHO SR-T903 Temperature Controller Panel Meter is built to last, with a rugged IP65-rated enclosure that protects the device from dust and water splashes. The panel meter can withstand harsh environments and is suitable for mounting in control panels on the plant floor. The SR-T903 comes with a two-year warranty, ensuring peace of mind for customers who demand the highest quality products.

In summary, the CAHO SR-T903 Temperature Controller Panel Meter is a high-performance device designed for precise temperature control in various industries. Its user-friendly design, versatile output options, and rugged construction make it an ideal choice for operators who demand reliable temperature monitoring and control.

The CAHO SR-T903 Temperature Controller Panel Meter is a versatile device for temperature control applications. Here are some pros and cons to help you make an informed decision:

1. Wide Operating Range: The device can operate between -50 C to 150 C (-58 F to 302 F), making it suitable for a wide range of temperature control applications.

2. Multiple Input Types: It supports PT100, J-type thermocouple, and K-type thermocouple inputs, providing flexibility in selection based on the specific application requirements.

3. Digital Display: The digital display offers high accuracy and easy readability, allowing for precise temperature control.

4. Alarm Function: The alarm function alerts users when the temperature goes beyond the set limits, ensuring timely intervention to prevent potential damage or safety issues.

5. User-Friendly Design: The device features a simple, user-friendly interface that makes it easy for users to set parameters and monitor temperature values.

1. Limited Outputs: The CAHO SR-T903 only has one relay output, which may not be sufficient for more complex control applications that require multiple outputs.

2. No Remote Monitoring: Unlike some other models, the CAHO SR-T903 does not have remote monitoring capabilities, which means it cannot be monitored from a distance using a smartphone or computer.

3. No Built-in Data Logging: While the device does have an alarm function, it does not have built-in data logging capabilities, which may be a disadvantage for applications that require long-term temperature data recording.

In conclusion, the CAHO SR-T903 Temperature Controller Panel Meter is a decent choice for simple temperature control applications, particularly those that require a wide operating range and accurate digital temperature readings. However, users who require multiple outputs, remote monitoring, or data logging capabilities may need to consider other models that offer these features.

If you are looking for a basic temperature controller for simple applications, the CAHO SR-T903 could be a good choice. However, if you require more advanced features, you may want to consider other options available in the market.

Details:

Unit was removed from service and shows normal wear consistent with industrial use. Terminals appear intact but buyers should verify and, if needed, clean connections prior to installation. SN sensor and AL alarm indicator Leds. Front panel includes Three-digit LED display window.

Corrosion is visible at terminal connections see Close-Up photos. Control Mode: ON/OFF. Alarm and reset adjustment pots. Rotary switches for set point configuration.

Functionality is not tested; sold as-shown. Side label indicates: Input: Pt100 RTD. Used Caho SR-T903 industrial temperature controller / digital panel meter, designed for process control and monitoring applications. Output: Relay.

Alarm: Fitted. This unit accepts Pt100 RTD input and provides temperature readout on a three-digit LED display with ON/OFF control output alarm function.

part #: srt903 prices

• $19.99-$39.95

specifications temperaturcontr:

• brand: Caho
• mpn: Sr-t903
• part type: Controller Panel Meter

returns temperaturcontr:

• policy: No Returns

shipping temperaturcontr:

• carrier: USPS
• service: USPS Ground Advantage
• cost: $0.00
• type: Fixed
• class: Standard
• transit: 3-10 Days

general temperaturcontr:

• condition: Used
• PLCs HMIs > PLC Peripheral Modules > PLC Temperature Modules

offer temperaturcontr:

• availability: In Stock
• sold: 0
• started: January 14, 2026
• options: Ship-to-home
• quantity: 1
• best offers: True

payments temperaturcontr:

• wallet: Apple-pay
• other
• credit card: Mastercard

seller temperaturcontr:

• city: Toledo, Ohio
• rating: 100.0%
• # reviews: 98