The 7217 is a panel-mounted humidity and temperature controller with two independent relay outputs — one for temperature (heater/cooler) and one for humidity (humidifier/de-humidifier). Bright 7-segment displays for both, user-settable hysteresis and digital offset.
7217 uses dry/wet bulb PT100 sensors. 7217-CAP uses a capacitive humidity sensor. Both have identical relay and control features. Choose 7217 for dry/wet sensor robustness; 7217-CAP for compact capacitive sensing.
7217 has two relay outputs with simple on/off control. 7214 has four SSR outputs with proportional PWM control for heater and humidifier. Choose 7217 for simple two-relay control; 7214 for precise four-mode proportional control.
Yes. All settings including set limits, hysteresis, and offsets are retained during power failures. The instrument resumes normal operation with all settings intact when power returns.
Pharmaceutical manufacturing, food storage, textile mills, printing, cleanrooms, incubators, and HVAC — any environment requiring automatic temperature and humidity maintenance.
Manufactured by Countronics, ISO 9001:2015 certified, established 1978, Ghaziabad. Contact: +91-9810536887.
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| Display | 4 Digit, 7 segment Green LED display (0.56” height) for Humidity |
|---|---|
| Range | 0-100.0% for Humidity (in 5˚C to 50˚C temperature range) |
| Set Limits | 0-100.0% for Humidity Set Limit |
| Hysterisis | 0-9.9 for Humidity and Temperature |
| Digital Offsets | -19.9 to +19.9 for Humidity |
| Relay Outputs | Potential Free contacts @220V/5Amps, one each for Temperature and Humidity |
| Memory Retention | 10 years |
| Mounting | Panel Mounting |
| Size | 96mm x 96mm. Depth 50mm |
| Weight | Approx. 375 grams |
| Operating Temp. | 0-50˚C |
| Humidity | 95% RH |
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