Gear speed sensor DHV-01.7Ex
Hall effect speed sensor DCHV-01.7Ex is a non-contact sensor for measuring the rotation speed rotation of of gear wheels on transport operated in explosive environments of mine workings with explosive mixture category I.
Specifications
| Power supply voltages (Vs), V | 4.5…6 |
| Maximum operating current, mA | 20 |
| Working gap range, mm | 0.5…2 |
| Gear tooth modulus range, mm | 1…5 |
| Measured speed range, kHz | 0…20 |
| Phase shift between channels, deg | 90 ± 30 |
| Output signal, logic “0”, V | ≤ 1 |
| Output signal, logic “1”, V | Vs – 1 |
| Load resistance, at least, kOhm | 10 |
| Operating temperature range, °С | –20…+65 |
| Relative humidity, max., % | 95 |
| Overall dimensions without connection cable, mm | 60х78 |
| Connection cable length, m | 0.2…10 |
| Degree of protection | IP54 |
| Explosion protection | |
| Labels | PB Ex mb I Mb X |
| Maximum short circuit current, mA | 500 |
| Lifespan, years | 10 |