| BRAND | Dwyer |
| Product | 641RM |
| Internal code | IMP3900221 |
| Technical specification | Air velocity: 0-50.8 m / s 4-20 mA output Probe with cable of at least 2 m. Industrial calibration certificate. without led display and with led display, although an accuracy of 1.5% FS would be desirable. |
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