| BRAND | Testo |
| Product | 0520 0003 |
| Description | ISO calibration certificate glue gas, calibration points 2,5 Vol% O2, 100 to 1000ppm CO, 800ppm NO, 80ppm NO2, 1000ppm SO2 Certificate type: ISO, Mat.No. Instrument 0632 3510, Mat.No.probe 0632 3511 |
| Internal code | IMP9969 |
| Weight | 1 |
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