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Dwyer 1831-1-RA-S – Differential Pressure Switch, Range 2.5-9″ w.c.
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$207.07
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Estimated delivery:3 days
Differential Pressure Switch, Range 2.5-9″ w.c.
- Differential pressure switch, manual reset, DPDT, activate on increase, silicone diaphragm, range 2.5-9″ w.c.
- No power to operate DPDT switch means no additional wiring or conduit reduces material and installation labor costs
- Easy access for modifying set point simplifies adjustment
- Both control contacts activate at the same time eliminating system issues where lead switch activities prevent the lagging switch from sending a signal
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Description
Dwyer 1831-1-RA-S – Differential Pressure Switch, Range 2.5-9″ w.c.
One of the most popular differential pressure switches is now available with a DPDT switch and manual reset. The Series 1831 combines small size with 4% set-point repeatability. Absolutely no power is required to operate the DPDT switch. Setpoint adjustment on the switch is easily accessible for modifying the set point.
The Series 1831 DPDT Low Differential Pressure Switches with Manual Reset eliminate common problems associated with typical high duct static cutout installations. Since 1831 requires absolutely no power to drive its outputs, a separate power loop and its associated additional wiring and conduit are alleviated, reducing material and labor installation costs. Both control contacts of the Series 1831 activate at the same time. The potential of the lead switch shutting down the fan preventing the lag switch from sending an alarming signal to the DDC, is no longer a probable system liability. Potential costly maintenance calls are diminished. Unlike typical switches that possess only a single conduit entry for both control loops, the Series 1831 provides two conduit connections simplifying wiring while eliminating additional conduit tees. The Series 1831’s specifications and features make it the superior choice for high duct static cutout applications.
Product Applications
- High duct static cutout applications
- HVAC
Pressure Switches template | |
|---|---|
| Type (Pressure) | Differential |
| # of Switches | 1 |
| Process Connection | NPT (National Pipe Thread) |
| Electrical Connection (Process) | Conduit |
Product General Attributes | |
| Unique Features | • No power to operate DPDT switch means no additional wiring or conduit reduces material and installation labor costs • Easy access for modifying set point simplifies adjustment • Both control contacts activate at the same time eliminating system issues where lead switch activities preventing the lagging switch from sending a signal |
| Warranty | 1 YEARS |
| Warranty Details | The Seller warrants all Dwyer Instruments and equipment to be free from defects in workmanship or material under normal use and service for a period of one year from date of shipment. Liability under this warranty is limited to repair or replacement EXW Ex Works Dwyer Instruments, Inc. of any parts which prove to be defective within that time or repayment of the purchase price at the Seller’s option provided the instruments have been returned, transportation prepaid, within one year from date of purchase. All technical advice, recommendations and services are based on technical data and information which the Seller believes to be reliable and are intended for use by persons having skill and knowledge of the business, at their own discretion. In no case is Seller liable beyond replacement of equipment EXW Ex Works Dwyer Instruments, Inc. or the full purchase price. This warranty does not apply if the maximum ratings label is removed or if the instrument or equipment is abused, altered |
| Product Weight | 1.15 LBS |
| Shipping Weight | 2 LBS |
| Country of Origin | United States |
| Other Information | Switch Type:: 2 SPDT Repeatability:: ±4% max Electrical Connections:: Screw type terminal block Dimensions:: 3-5/8 x 3-11/16 x 4-3/8 in |
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| Weight | 1.15 lbs |
|---|
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