Setra System Model SRH - Manual (Page 8)

8
5.0 SPECIFICATIONS
RH Performance Data
Sensing Element
Capacitive Polymer
Humidity Operating Range 0 to 99% RH (non-condensing)
Accuracy at 68°F (20°C) 2%, 3%, 5%
Hysteresis <1.5%
Repeatability <0.5%
Long Term Stability <1%/year @ 68°F (20°C), 50% RH
Electrical Data
Signal Outputs
Current (2-wire ckt.)
4 to 20 mA
Field Selectable Voltage (3-wire ckt.) 0 to 5 VDC, 0 to 10 VDC
Excitation
0 to 10 VDC
13.5 to 30 VDC
0 to 5 VDC, 4 to 20 mA 12 to 30 VDC
Maximum Load (Current only) Ω = (Supply - 10) / 0.02
Electrical Termination Pluggable Terminal Block (5mm Pitch)
Wiring Protection Reverse Excitation
CE Compliance EMC Directive 2004/108/EC
Temperature Sensing Options (Passive)
T1 Thermistor Output NTC 10K Ω @ 77°F/25°C (Direct Connect)
Type II
T2 RTD Output 1000 Ω @ 32°F/0°C (Direct Connect)
385 Platinum Curve
Temperature Sensing Options (Active)
Signal Ouput Options (includes humidity output):
Current
4 to 20 mA
Field Selectable Voltage 0 to 5 VDC, 0 to 10 VDC
Available Ranges: Accuracy:
T3 (-50°C to 60°C) ±0.6°C (20°C @ 50%)
T5 (-10°C to 60°C) ±0.4°C (20°C @ 50%)
Environmental Data
Operating Temperature °F (°C) -40 to 140 (-40 to 60)
Storage Temperature °F (°C) -40 to 158 (-40 to 70)
Moisture Resistance IP65, NEMA-4 (Duct & Outside Air)
Solar UV Resistance (Outside Air)
Flammability Rating 94-V0
Compliance RoHS and CE Compliant
Physical Description
Enclosure
Wall Mount
ABS 94-V0
Duct & Outside Air Poly Carbonate 94-V0
Probe (Duct & Outside Air) Aluminum
Weather Shield (Outside Air) Porous Polyethylene