TEMPERATURE COMPENSATED
Figure 1 NDIR-A Schematic Diagram Top ViewBottom ViewSide View
All dimensions in millimetres (± 0.1mm) Pin out details: Notes: 1. Lamp return.2. Lamp +5V.
3. +5V Pyro supply.
4. Detector output.
5. Reference output.
6. Thermistor output.
7. OV Pyro supply and case connection. 1. Dimensions without tolerances are nominal.2. Recommended PCB socket: Wearnes Cambion Ltd. code: 450-3326-01-06-00
3. Weight: 15g.
4. Use antistatic precautions when handling.
5. Do not cut pins.6. Do not solder directly to pins. PERFORMANCE Maximum Power Requirements5.0 VDC, 60mA max. (50% duty cycle source drive)Minimum Operating Voltage3.0 VDC (50% duty cycle source drive)Source Drive Frequency1.5 to 3 Hz (recommended 2 to 2.25 Hz)
Active Output in N
2 (peak-to-peak)25 mV typical @ 2.1 Hz, 50% duty cycleReference Output in N
2 (peak-to-peak)22 mV typical @ 2.1 Hz, 50% duty cycleResponse Time (t
90 )< 40s @ 20°C ambientWarm-up TimeTo final zero ± 100ppm: < 30 s @ 20°CTo specification: < 30 minutes @ 20°C LIFE TIME MTBF> 5 years KEY SPECIFICATIONS Temperature SignalIntegral thermistor (NTC, R
25 = 3000 Ù, B = 3450 K)Operating Temperature Range-20°C to +50°C (linear compensation from -10 to 40°C)Storage Temperature Range-40°C to +75°C (-40°F to 167°F)Humidity Range0 to 95% rh non-condensing
TTTTTececececechnical Specifhnical Specifhnical Specifhnical Specifhnical Specificaicaicaicaicationtiontiontiontion NOTE: all sensors are tested at ambient environmental conditions, unless otherwise stated. As applications of use are outside our control, the information provided is givenwithout legal responsibility. Customers should test under their own conditions, to ensure that the sensors are suitable for their own requirements. Alphasense Ltd, Sensor Technology House, 300 Avenue West, Skyline 120, Great Notley. CM77 7AA. UKTelephone: +44 (0) 1376 556 700 Fax: +44 (0) 1376 335 899 E-mail: sensors@alphasense.com Website: www.alphasense.com