Description

Dwyer 1900-5-MR
- Differential pressure switch
- Range 1.40-5.5″ w.c.
- Approx. deadband @ min. set point 0.30
- Approx. deadband @ max. set point 0.30
- With a manual reset option.
Differential Pressure Switch, Range 1.40-5.5″ w.c
The most popular Series 1900 Compact Low Differential Pressure Switch combines advanced design and precision construction to make these switches able to perform many of the tasks of larger, costlier units. Designed for air conditioning service, they also serve many fluidics, refrigeration, oven and dryer applications. For air and non-combustible compatible gases, Series 1900 switches have set points from 0.07 to 20″ w.c. (1.8 to 508 mm). Setpoint adjustment is easy with a range screw located inside the conduit enclosure. Internal location helps prevent tampering. UL, CE and CSA listed, and FM approved.
Product Applications
- Air conditioning refrigeration coil icing detection; defrost cycle initiation.
- Clogged filter detection.
- Variable air volume controller.
Pressure Switches template | |
|---|---|
| Type (Pressure) | Differential |
| Output Types (Press / Temp Switches) | Micro Switch |
| Enclosure Type (Press Switch) | Weatherproof |
| Safety Approval (Press / Temp Switches) | CE, CSA, UL |
| Power (Press / Temp Switches) | AC |
| Process Connection | NPT (National Pipe Thread) |
Product General Attributes | |
| Unique Features | • Compact size and repeatability, provides a high-value switch for many industrial and OEM applications • Wide range of models from 0.07 in w.c. to 20 in w.c. can meet exacting OEM specifications for a low pressure switch • Range screw protected inside enclosure provides simplifies making adjustments but prevents tampering |
| 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, |
| Safety Approval | RoHS |
| Product Weight | 1 LBS |
| Shipping Weight | 2 LBS |
| ECCN Number | EAR99 |
| Country of Origin | United States |
| Other Information | Pressure Limits:: 45″ w.c. (11.2 kPa) continuous, 10 psig (68.95 kPa) surge Switch Type:: Single-pole double-throw (SPDT) Service:: Air and non-combustible, compatible gases |








Reviews
There are no reviews yet.