PHYSICAL DATA 

Relative Humidity Range:     0 - 100%  
Rh Accuracy:     ± 2% (10 - 90% Rh), ± 3% (0 - 10% and 90 - 100% Rh)  
Operating Temperature Range:     32 to 158°F (0 to 70°C)  
Temperature Measurement Range:     32 to 212°F (0 to 100°C)  
Temperature Accuracy:     ± 1°F (0.5°C)  
Output:     2 channels, each 4 - 20 mA, loop powered on Rh channel  
Power Supply:     10 - 35 VDC  
Ambient Operating Temperature Limits:     32 to 158°F (0 to 70°C)  
Storage Temperature Limits:     -40 to 176°F (-40 to 80°C)  
Housing:     ABS plastic  
Sensor Probe:     5/16" x 10" (0.8 x 25.4 cm) stainless steel  
Cable Length:     48 inches (1.22 meters)  
Weight:     5.5 oz (156 gr)  

STOCKED MODELS............................
657-1 RH/Temperature Transmitter..........
NO.A-158 spit Flange Mounting Kit.........
NO.A-159 Duct Mounting Gland..............