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Product Specifications:
| Item | Replacement Sensor |
| Chemical Formula | NO2 |
| Compatible Detector Grainger Part Number | 497A93 |
| Compatible Detector Manufacturer Part Number | Gasalert Extreme |
| Compatible Detector Model/series | Gasalert Extreme |
| Detects | Nitrogen Dioxide |
| For Detector Type | Portable |
| Gas Detected | Nitrogen Dioxide |
| Max. Operating Temp. | 122°F |
| Measurement | 0 ppm to 99.9 ppm |
| Min. Operating Temp. | -4°F |
| Part Type | Sensor |
| Resolution | 0.1 ppm |
| Sensor | 0 ppm to 99.9 ppm |
| Sensor Life | 1 yr. |
| Sensor Type | Electrochemical |
| Series | Gasalert Extreme |
Shipping Info:
| Ship weight (kg) | 0.02 |
| Ship height (cm) | 2.08 |
| Ship length (cm) | 2.03 |
| Ship width (cm) | 2.03 |
| HS code | 9027102000 |
| Country of Origin | GB |
Product Variants
| Product | Model | Chemical Formula | Pkg. Qty. | Price | |
|---|---|---|---|---|---|
![]() |
SR-V04 | VOC | 1 | €807.07 | |
![]() |
SR-W-MP75C | LEL | 1 | €214.65 | |
![]() |
D4-RHM04 | - | 1 | €765.50 | |
![]() |
SR-W04 | LEL | 1 | €332.86 | |
![]() |
PS-RC10 | - | 1 | €736.35 | |
![]() |
SR-W04-75C | LEL | 1 | €307.65 | |
![]() |
SR-X2V | - | 1 | €281.14 |
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Contact us
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We're available Monday through Friday, from 07:30 until 17:00.
BW TECHNOLOGIES PS-RD04 Replacement Sensor No2 For Gasalert
€821.56 /unit


