Power supply voltage: 24V DC (20.4V DC ~ 28.8V DC) (-15% ~ +20%)
Analog input channel: 4 channels/module
Overall accuracy: +-0.6% of full scale during 0 ~ 55°C (32 ~ 131°F)
Responding time: 200ms × channels
Max. rated power consumption: 2W, supplied by external power
Operation/storage: 1. Operation: 0°C ~ 55°C (temperature), 50 ~ 95% (humidity), pollution degree 2 2. Storage: -25°C ~ 70°C (temperature), 5 ~ 95% (humidity)