| Categories | Electrochemical Gas Sensor |
|---|---|
| Brand Name: | Alphasense |
| Model Number: | O2-A2 |
| Certification: | RoHS |
| Place of Origin: | UK |
| MOQ: | 2 pcs |
| Price: | USD35 per pcs. |
| Payment Terms: | 100% TT or Paypal in advance |
| Supply Ability: | 10000 pcs per month |
| Delivery Time: | 3 or 4 weeks after payment |
| Packaging Details: | Carton |
| Input voltage required :: | +7.5 to +35.0 Volts DC |
| Output at zero gas concentration (or 15% Oxygen) :: | 4 mA (user adjustable) |
Oxygen Sensor O2 Gas Sensor O2-A2
parameter of oxygen sensor O2-A2:
1) Sensitivity <0.1
2) Output : 80 to 120uA @ 20.9% O2
3) Response time: < 15S from 20.9% to 0% O2
4) Zero current: < 2uA in N2
5) Linearity: 0.6 % O2 deviation @ 10% O2
6) Operating range > 24 months until 85% original output of
20.9% O2
Application of oxygen sensor O2-A2:
O2 detector
Matched transmitter board for O2-A2:
4 to 20 mA Analogue Transmitter Boards
--- for Alphasense “B” Type Toxic & O2-A2 Oxygen Sensors
lphasense transmitter boards offer:
1) exceptional stability.
2) minimal settling time when put on load.
3) wide operating voltage range and
4) low RFI susceptibility through the use of an unbroken ground
plane.
Specifications:
1) Input voltage required : +7.5 to +35.0 Volts DC
2) Output at zero gas concentration (or 15% Oxygen) : 4 mA (user
adjustable)
3) Output at full-scale (or 25% Oxygen) : 20 mA (user adjustable)
4) Setability/stability <0.5mA (<0.25% Full Scale)
5) Maximum load (@ 20 mA, 24 VDC) : 825ohms
6) Supply voltage dependence < ±0.2% output from +7.5 to +35
Volts DC
7) Connector :2 pin Molex plug (ref. 22-27-2021) supplied with
leads
8) Transmitter current requirement <100 uA
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