Mobrey Series VLS Vibrating Rod Dry Products Level Switch
The Series VLS vibrating rod dry products level switch from Mobrey is the perfect solution for single point level switching in free flowing solids and dry products across a wide density range, from fine powders to grains. The self-cleaning Series VLS provides the solution in applications where tuning fork style switches may become blocked or bridged.
The vibration rod is energised and kept in resonance by an electronic circuit. When covered by material the damping of the vibration will be detected by the electronics which initiate the switching of the output relay after a built-in programmable time delay.
The Series VLS vibrating rod dry products level switch from Mobrey is designed to provide high or low level switching in silos or bins containing free-flowing powders and granular materials such as carbon black, sugar, grain, cement, lime and sand with a material bulk density of 50kg/m³ or more. Requiring only a 38mm/1½" BSP/NPT socket, either on the top or in a sidewall of the silo, the unit is easy to install and simple to commission.
NOTE: This product is not available for sale in the Americas
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- No moving parts
- High and low level failsafe
- Adjustable time delay
- Sensitivity adjustment
- Temperatures up to 160°C/320°F
- 85-265Vac or 19-55Vdc power
- ATEX dust approval
Available Options
- Extended rod version for top of silo mounting
- Extended cable versions for top of silo mounting
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| Applications |
Powders and granules Ø < 10 mm Low to high density |
| Power Supply |
85 to 265 Vac (50/60 Hz) 19 to 55 Vdc |
| Output |
1 x SPDT control relay, 8 A at 250 Vac |
| Conduit Connection |
2 x ½-in. NPT (NPT models) or 2 x Pg16 (BSPT models) |
| Response Time |
Selectable 2 or 5 seconds |
| Operating Temperature |
–4 to 320 °F (–20 to 160 °C) |
| Operating Pressure |
145 psi (10 bar) maximum |
| Productside Material |
Type 316 stainless steel |
| Housing Material |
Aluminium alloy, powder paint coated |
| Housing Rating |
IP67 |
| Approvals |
ATEX II 1/2 D |
- Granular dry products
- Pelletised dry products
- Powdered dry products
- High, intermediate or low level alarm
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