Setra-system Model SRH Manual do Utilizador descarregar pdf (Página 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

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