Relative humidity transmitter/monitor , moisture monitor Applied Model ATS 109RHT Relative Humidity Transmitter are Precision instrument designed for monitoring Relative Humidity or Moisture in rugged industrial application and environment. SPECIAL FEATURES: Direct Digital Relative Humidity Readout. 0-100% RH Range. Highly Sensitive & Accurate. Long Life CMOS IC Sensor. Maintenance Free Washable Sensor. One Point Field Calibration. Optimised Over the -40 deg.C to +80 deg.C. No Separate Temp. Monitoring Required. Integral or Remote Mounting Probe. SPECIFICATIONS: Range : 0-100% RH. Temperature Range : -40 to 180 deg C Minimum Resolution : 0.1% Indication : Digital Sensor : CO MOS IC Capacitive Sensor Sensor Protection : Stainless steel sintered filter Power Supply Voltage : 24 VDC Display : LCD/LED Display Calibration : Single Point Field Calibration Accuracy : HUMIDITY: ±2% RH or better / TEMPERATURE : ± 1Deg celcius Operating Temp. (Optimised ) : -40deg.C to +85deg.C Storage Temp. : 0-50 deg.C Temp. Compesation : Optimised for operating temp. measurement Repeatability : ±0.5% Hystersis : ±1% Power : 2-Wire, 24V Loop Powered (DC) Housing : High Impact Plastic Dimension : 120 X 120 X 100 X (D) in mm Mounting : Wall Response Time : Less than 10Sec. for 70% step Change Output : 4-20mA linear (max load 600 Ohms) Calibration Adjustment : Zero & Span Power Consumption : 0.5 W