Product Introduction
I.Long Life Oxygen Sensor(O2 Sensor) O2-A3 Product Description:
The oxygen sensor (O2-A3) product advantages lie in long life, up to 4 years; good stability, no drift; typical applications include oxygen alarms and oxygen analyzers.
II. Long Life Oxygen Sensor (O2 Sensor) O2-A3 Features:
- 3-year warranty
- High-performance leak-free O2 sensor
- Output change less than 2% within 3 months
- T90 less than 15 seconds
- <0.7% humidity effect
- <0.1% CO2 sensitivity
- Up to 99% humidity resistance
III. Long Life Oxygen Sensor (O2 Sensor) O2-A3 Main Specifications:
(1) Oxygen concentration measurement range (%): 0-30
(2) Operating life: > 36 months to reach 85% of initial signal
(3) Dimensions (mm): Φ20.3×16.8mm
(4) Output: 65 - 85 μA @ 22°C, 20.9% O2
(5) Response time t90 (seconds): < 15 from 20.9% to 0 (load 47Ω)
(6) Weight: < 16g
(7) Temperature range: -30 - 55℃
(8) Pressure range: 80 - 120Kpa
(9) Humidity range: 5 - 95%RH
(10) Storage time: 6 months (storage temperature 3 - 20℃)
(11) Load resistance: 47 - 100 ohms
IV. Long Life Oxygen Sensor (O2 Sensor) O2-A3 Typical Applications:
Oxygen alarms, atmosphere analyzers
V. Long Life Oxygen Sensor (O2 Sensor) O2-A3 Performance:
| Output | μA@20.9%O2,22℃ | 55~85 |
| Response Time | t90 from 20.9% to 0% O2 (s) (47Ω load) | <15 |
| Zero Current | μA @ 99.99% nitrogen, 22°C | <2.5 |
VI. Long Life Oxygen Sensor (O2 Sensor) O2-A3 Life:
| Output Drift | Percentage output change over 3 months | <2 |
| Operating Life | Time for 20.9% O2 output to drop to 85% of original signal (months) | >36 |
VII. Long Life Oxygen Sensor (O2 Sensor) O2-A3 Environmental:
| Humidity Sensitivity | Oxygen change percentage: 0-95%RH, 40°C | <0.7 |
| CO2 Sensitivity | 5% CO2, oxygen reading percentage / CO2 concentration | 0.1 |
| Pressure Sensitivity | At 20kPa, output change percentage / pressure change percentage | <0.1 |
VIII. Long Life Oxygen Sensor (O2 Sensor) O2-A3 Key Parameters:
| Temperature Range | ℃ | -30~55 |
| Pressure Range | Kpa | 80-120 |
| Humidity Range | %rh continuous humidity (short time 0-99%RH) | 5-95 |
| Storage Life | Sealed storage life at 3-20℃ (months) | 6 |
| Load Resistance | Ω (recommended) | 47-100 |
| Height | mm (including foam gasket) | 17.4 |
| Weight | grams | <16 |