Subzero SZ-9922
Subzero SZ-9922 Temperature & Humidity Controller
Dual-function temperature and humidity controller with high accuracy, dual relays, and wide sensor compatibility for industrial and HVAC applications.
The Subzero SZ-9922 is a dual-parameter temperature and humidity controller designed for industrial, HVAC, and cold storage applications. It supports accurate measurement, dual relay output, and stable long-term monitoring, making it suitable for demanding process environments.
Key Features:
Dual control for both temperature and humidity
Supports RTD / thermocouple / RH sensor inputs
High accuracy with fast response time
Dual relay output for independent control
User-friendly display with clear parameter visibility
Configurable setpoints and alarms
Robust housing for industrial environments
Suitable for panel mounting
Reliable performance with electrical noise immunity
Technical Specifications:
| Parameter | Specification |
|---|---|
| Model | Subzero SZ-9922 |
| Measurement | Temperature and Humidity |
| Temperature Input | RTD / Thermocouple (depending on model variant) |
| Humidity Input | Compatible RH sensor (0–99% RH) |
| Display | LED digital |
| Relay Output | Dual relay |
| Accuracy | Temperature ±0.5°C, Humidity ±2% RH |
| Supply Voltage | 230 VAC |
| Alarm | High/Low configurable |
| Mounting | Panel mount |
| Operating Temp | -10°C to 60°C |
| Protection | Front IP54 (panel mounted) |
| Dimensions | Standard Subzero DIN mount size |
Applications:
Cold rooms & chiller rooms
HVAC systems
Industrial humidity and temperature monitoring
Food processing units
Warehouses & storage chambers
Incubators & environment chambers
Pharmaceutical processing
What’s in the Box?
Subzero SZ-9922 Controller Unit
User Manual
Mounting Clamp
Warranty Card
FAQ
Q1. Does the SZ-9922 support both temperature and humidity control?
Yes, it supports dual-parameter control for temperature and humidity.
Q2. What type of sensors can be connected?
RTD / thermocouple for temperature and standard RH sensors for humidity.
Q3. Can it be used for cold rooms?
Yes, it is widely used in cold rooms, walk-in freezers, and chillers.
Q4. Is panel mounting supported?
Yes, the controller is panel-mountable.
Q5. Does it have alarm outputs?
Yes, high/low alarms can be configured for both parameters.
Tempurature and humidity controller
- Display7 Segment LED Display 3 X 14.2mm (0.56")
- Probe InputsThermostat (PT-100) RH Sensor (SZ-HS-100)
- Relay OutputsCompressor : 8(3)A Humidifier / Dehumidifier : 8(3)A
- Power Supply9Vac Standard
- Humidity Range0% to 99%
- Temperature range0°C to 99.9°C
- Size75 x 34.5mm
- Mounting TypePanel Mount
- Panel Cutout71 x 29mm
- ApplicationFor humidification & dehumidification systems.