Description
Gas Type Detected: Carbon dioxide (CO2)
Sensor Type: Dual wavelength non-dispersive infrared (NDIR)
Sensor Accuracy: ± 50 ppm+ 3% of reading
Measurement Range: 0-2000 ppm (default), adjustable 1000-5000 ppm
Pressure Dependency: ……… < 1 % of reading I kPa
Response Time: 90 seconds (T90)
Warm-Up Time: 1 minute
Sensor Coverage Area: 100 rn2(1000 ft2) typical
Sensor Life Span: >10 years
Transmitter Accuracy: ±0.25% of span (including linearity, hysteresis and repeatability)
Power Supply: 24 Vdc ±20% or 24 Vac ±10% (non-isolated half-wave rectified)
Protection Circuitry: Reverse voltage and transient protected
Input Voltage Effect: Negligible over the specified operating range
Output Signal Type: 4-20 mA{3-wire), 0-5 or 0-10 Vdc {field selectable)
Current Consumption: Current: 75 mA@ 24 Vdc max, 150 mA @ 24 Vac max
Voltage: 50 mA@ 24 Vdc max, 100 mA@ 24 Vac max
Output Drive @ 24 Vdc: Current: 5500 max
Voltage: 10,0000 min
Ambient Operating Range: -10 to 50°C {14 to 122°F), 5 to 90 %RH non-condensing
Storage Conditions: -30 to 70″C (-22 to 158°F), 5 to 90 %RH non-condensing
LCD Display Units: ppm {CO2), •crF {optional temperature/setpoint)
Display Range: 0-5000 ppm, o to 50°C Io to 122°F
Display Size: 35mm W x 15mm H (1.4″ x 0.6″)
Digit Height: 2-line x 8 character
Optional Temperature Sensor
Type: Various Thermistors and RTDs
Accuracy: Thermistors: ±0.2°C (±0.36°F) @ 25°C (77°F) Platinum RTD’s: ±0.3°C (±0.54°F)@ o•c (32’F) Nickel RTD’s: ±0.4°C (±0.72°F)@ o·c (32°F)
Output: 2-wire resistive
Relay: Form A (N.O.), 2 Amps @ 140 Vac / 30 Vdc (Optional 2-wire output)
Override Switch: 50 mA@ 12 Vdc max (Optional 2-wire output)
Optional Setpoint Control
Type: Front panel up/down pushbuttons
Range: ±10 resistive steps, range 16 to 26°C in, 0.5°C increments or 60 to 80°F in 1 °F increments
Midpoint: Default 21 °C/70°F, programmable 18 to 25°C (64 to 77″F)
Resolution: Programmable 0.5 / 1″C/°F
Action: Programmable direct or reverse acting
Enclosure: White ABS, IP30 (NEMA 1) 84mm Wx 119mm H x 29mm D (3.3″ x 4.7″ x 1.15″)
Wiring: Screw terminal block (14- 22 AWG)
Approvals CE
Country of Origin Canada