ETC-961 230V Digital Thermostat Temperature Controller – Refrigeration Alarm with NTC PTC Sensor & 6.6 ft Probe Wire

Keep temperature-sensitive equipment running within the conditions you need with convenient, precise monitoring and control. Designed for refrigeration and temperature-management applications, this compact controller combines an easy-to-read display with configurable NTC and PTC probe compatibility. Its broad measuring range and selectable integer or decimal display make digital temperature control simple across demanding environments. With reliable refrigeration temperature monitoring, it helps users quickly identify and manage temperature changes for greater day-to-day convenience.

Key Features
• Wide temperature control ranges accommodate diverse refrigeration, cooling, and temperature-management applications.
• Selectable 1°F-equivalent or fine decimal display modes make readings convenient to monitor.
• Compatible with NTC and PTC probes for greater flexibility across different temperature ranges.
• Built-in refrigeration relay and alarm functionality provide practical control from one compact unit.

Why Choose Our ETC-961 230V Digital Thermostat Temperature Controller?
Unlike basic thermometers that only display temperature, this controller is designed to monitor and manage connected refrigeration applications. Its broad probe compatibility, compact panel-mount dimensions, and selectable display resolution provide added versatility. The included 6.6 ft probe wire also allows more flexible sensor positioning.

Perfect For
Ideal for refrigeration systems, cooling equipment, cold storage applications, freezers, temperature-controlled cabinets, and other compatible equipment requiring dependable temperature management. It is suitable for technicians, equipment operators, commercial users, and DIY applications that require a compact panel-mounted controller.

Product Specifications
• Power Supply: 230 VAC ±10%, 50/60 Hz
• Refrigeration Relay: 10 A / 220 VAC
• Operating Temperature: 23–131°F
• Relative Humidity: 10%–90% RH, non-condensing
• Storage Temperature: -22–185°F
• NTC Control Range: -58–230°F
• PTC Control Range: -67–284°F
• Display Resolution: 1°C / 0.1°C, selectable integer or decimal mode
• NTC Accuracy: ±0.9°F from -22–122°F; ±1.8°F outside this range
• PTC Accuracy: ±1.8°F from -22–122°F; ±3.6°F outside this range
• NTC Probe Range: -58–248°F
• PTC Probe Range: -58–302°F
• Dimensions: 3.03 × 1.36 × 2.28 in
• Mounting Cutout: 2.80 × 1.14 in
• Probe Wire Length: 6.6 ft, including probe
• Installation Note: Confirm that the supply voltage matches controller requirements before connection.
• Wiring Note: Keep probe leads adequately separated from power wiring to help minimize electrical interference.


Manage refrigeration temperatures with greater convenience using the ETC-961 230V Digital Thermostat Temperature Controller. Its broad operating range, flexible probe compatibility, and compact design make it a practical addition to compatible temperature-controlled equipment.