3070/3090 series explosion proof VRS sensors
The 3070 and 3090 series VRS sensors are designed for hazardous locations and meet U.S. and Canadian explosion‑proof specifications. They are certified for Class 1 groups ABCD, EFG and other hazardous classifications when installed using the explosion containment method.
Key features include a 60 V p‑p output, wide operating temperature range, and various mounting thread options (374‑20 UNEF‑2A and 578‑18 UNF‑2A). Detailed dimensions, coil resistance, inductance, and performance parameters are provided for each model variant.
| Output voltage | 60 V p‑p min. |
|---|---|
| Operating temperature range | -100 °F to 200 °F (‑73 °C to 93 °C) |
| Coil resistance | 191 Ω to 280 Ω |
| Inductance | 115 mH max. |
| Pole piece diameter | 0.187 in (4.75 mm) |
| Gear pitch range | 12 DP (Module 2.11) or coarser |
| Minimum surface speed | 15 IPS (0.38 m/s) |
| Maximum operating frequency | 40 kHz (typical) |
| Vibration standard | Meets MiLStd 202F Method 204D |
| Mounting thread (374‑20 UNEF‑2A) | 120 mm (3 in) leads |
| Mounting thread (578‑18 UNF‑2A) | 120 mm (3 in) leads |
The sensors provide a minimum output voltage of 60 V peak‑to‑peak.
They operate from –100 °F (‑73 °C) up to 200 °F (93 °C).
Coil resistance ranges from 191 Ω to 280 Ω.
Yes, when installed with the explosion containment method they are certified for Class 1 groups ABCD, EFG and related hazardous classifications.