Explosion-proof differential pressure switch | range .15-.50" w.c. | approx. deadband @ min. set point .06 | approx. deadband @ max. set point .11.
Series 1950G Explosion-proof Differential Pressure Switch
Series 1950G Explosion-Proof Differential Pressure Switch combines the bestfeatures of the popular Dwyer® Series 1950 Pressure Switch with the benefit of naturalgas compatibility. Units are rain-tight for outdoor installations, and are UL listed for usein Class I, Groups A, B, C, & D; Class II, Groups E, F, & G and Class III atmospheres,Directive 2014/34/EU (ATEX) Compliant for 2813 II 2G Ex db IIB+H2 T6, CSA& FM approved for Class I, Div. 1, Groups B, C, D; Class II, Div. 1, Groups E, F, G andClass III atmospheres. IECEx Ex db IIB+H2 T6 (-40?C
Product Applications
- Natural gas applications
- Process applications
- All-weather applications
- Compatible with natural gas
- External set point screw provides easy access that simplifies making adjustments without opening or disassembling enclosure
- Easily accessible electrical connection simplifies the installation
- Series
- 1950G Explosion-proof Differential Pressure Switch
- Category/Type
- Pressure
- Type
- Differential Pressure
- Series
- 1950G Explosion-proof Differential Pressure Switch
- Service
- Air and compatible combustible gases.
- Wetted Materials
- Consult factory.
- Temperature Limits
- 0 to 140?F (-17 to 60?C). Note: Set point drift may occur with ambient temperature changes.
- Pressure Limits
- 45" w.c. (11.2 kPa) continuous; 10 psig (68.95 kPa) surge.
- Enclosure Rating
- NEMA 3 (IP54); NEMA 7 and 9.
- Switch Type
- 1 Form C relay (SPDT).
- Electrical Rating
- 10 A; 120/240 VAC; 28 VDC. Resistive 50 mA; 125 VDC.
- Power Requirements
- 24 VDC ?10%. 120 or 240 VAC ?10% optional.
- Electrical Connections
- Internal terminal block.
- Process Connections
- 1/8" female NPT.
- Mounting Orientation
- Diaphragm in vertical position. Consult factory for other position orientations.
- Set Point Adjustment
- Screw type on top of housing.
- Weight
- 2 lbs 15.7 oz (1.35 kg).
- Agency Approvals
- ATEX; CE; CSA; FM; IECEx; UL.
Resources
WASHING INSTRUCTIONS:
Machine wash separately in cold water on a gentle cycle. Tumble dry separately on low heat. Add QE Home Wool Dryer Balls to reduce wrinkles and increases drying efficiency. Touch up with a low heat iron as needed. Do not bleach or dry clean.
