Dwyer Series 501 Explosion
Proof Bin Level Switches
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Cost, Explosion Proof and Weatherproof. |
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 Model
501 Bin Level Switches provide reliable response to the presence
or absence of dry media within bins and hoppers. U.L. and
C.S.A. Listed integral explosion-proof and weatherproof housing
is compact, lightweight and rated NEMA 7 & 9 for Class
I, Groups C and D, Glass II, Groups E, F and G, and Class
III hazardous locations. Three adjustable models can be set
from a sensitive .05 pounds of force up to 6.0 pounds. Unique
cantilevered diaphragm assembly responds to force from any
direction and allows installation in any position. Housing
design accepts reference pressure on the back side of the
sensing diaphragm for applications on pressurized containers.
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PHYSICAL DATA |
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- Temperature Limits: (-20°F to 140°F)
- Rated Pressure: 10 psig maximum applied to both sides
of diaphragm simultaneously. CAUTION: Do not pressurize
low pressure side only
- Pressure Connection: 1/8" NPT female - low pressure
only
- Electric Rating: 15 amps, 125, 250, 480 volts, 60 Hz,
AC resistive. 1/8 H.P. @ 125 volts, ¼ H.P. @ 250
volts, 60 Hz. AC
- Wiring Connections: 3 screw type; common, normally open
and normally closed
- Conduit Connection: ½" NPT, female
- Set Point Adjustment: Screw type on top
- Housing: Anodized cast aluminum
- Diaphragm: Neoprene on Nylon
- Calibration Spring: Stainless Steel
- Installation: Mount in any position
- Weight: 3 lbs., 14 oz. (1.758 kb)
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MODELS NUMBERS (stock shown in bold) |
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| Model Number |
Range, Lbs/Force |
| 501-1 |
.05-.35 |
| 501-2 |
.20-1.3 |
| 501-7 |
.80-6.0 |
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