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Differential pressure switch345
$105.00
Differential pressure switch, range 9-85″ w.c., approx. deadband @ min. set point 1.30, approx. deadband @ max. set point 3.0.
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Brand:Dwyer
Warranty: As per Manufacturer policy
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Essential for industrial environments, the Series 1800 combines small size and low price with 2% repeatability for enough accuracy for all but the most demanding applications. Set point adjustment inside the mounting stud permits mounting switch on one side of a wall or panel with adjustment easily accessible on the opposite side. UL and CSA listed, and FM approved.
CAUTION: FOR USE ONLY WITH AIR OR COMPATIBLE GASES.
Service: Air and non-combustible, compatible gases.
Wetted Materials: Consult Factory.
Temperature Limits: -30 to 180°F (-34 to 82.2°C). 1823-00, -20 to 180°F (-28.9 to 82.2°C).
Pressure Limits: 10 psig (68.95 kPa) continuous, 25 psig (172.4 kPa) surge.
Switch Type: Single-pole double-throw (SPDT).
Repeatability: ±2%.
Electrical Rating: 15 A @ 120-480 VAC, 60 Hz. Resistive 1/8 HP @ 125 VAC, 1/4 HP @ 250 VAC, 60 Hz. De-rate to 10 A for operation at high cycle rates.
Electrical Connections: 3 screw type, common, normally open and normally closed.
Process Connections: 1/8" female NPT.
Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations.
Set Point Adjustment: Screw type inside mounting spud.
Weight: 1 lb, 5 oz (595 g).
Agency Approvals: CE, UL, CSA and FM. NOTE: Optional (-EXPL) Explosion-proof Enclosure does not possess any agency approvals.
OPTIONS:
- Weatherproof Housing – 16-ga. steel enclosure with gasketed cover (NEMA 4, IP66) for wet or oily conditions. Withstands 200 hour salt spray test. Wt. 5-1/2 lbs. (2.5 kg). Switch must be factory installed. Change 1823 base number to 1824 and add -WP suffix. Example: 1824-1-WP.
- Explosion-proof Housing – Cast iron base with aluminum cover. Rated Class I, Group D; Class II, Div. 1 & 2, Groups E,F,G; Class III and NEMA 7 C,D, NEMA 9 E,F,G. Wt. 7-1/2 lbs. (3.4 kg). Switch must be factory installed. Change base number to 1824 and add -EXPL suffix. Example: 1824-1-EXPL.
- MIL Environmental Construction – Unlisted Model 1820 can be furnished with a special sealed snap switch for protection against high humidity, fungus and/or military applications. Similar to Model 1823 except dead band is slightly greater and some lower set points may not be possible. To order, add suffix -MIL. Example: 1820-2-MIL.
ACCESSORIES:
- A-389 – Mounting bracket, 16 ga steel, zinc plated and Dichromate dipped for corrosion resistance.
- A-465 – Flush mount space pressure sensor.
- A-301 – Static pressure tip, for 1/4" metal tubing connection.
- A-302 – Static pressure tip, for 3/16" and 1/8" ID plastic or rubber tubing.
- A-303 – Portable static pressure tip, for 3/16" ID rubber or plastic tubing with 3" insertion.
- A-414 – 316 SS clean room pressure sensor.
- A-307 – Static pressure fitting, for 1/4" metal tubing connection.
- A-308 – Static pressure fitting, for 3/16" and 1/8" ID plastic or rubber tubing.
- A-417 – Static pressure pickup, for use in clean rooms, 100 micron filter picks up static pressure, stainless steel wall plate fits 2" x 4" electrical box, sealed with foam gasket, screws included. Barbed brass fitting holds 1/8" to 5/32" ID tubing.
- A-418 – Static pressure pickup, room mount with Delta style plastic enclosure fits 2" x 4" electrical box, mesh screen hides static pressure pickup port, clean connection to 1/8" to 5/32" ID tubing and pressure sensor. Sealed with foam gasket, screws included.
- A-419 – Static pressure pickup ceiling mount, plate rests on top of standard 3/4" thick ceiling tile while 100 micron filter faces down through 5/8" hole in tile, screws included for optional mounting to junction box, barbed fitting holds 1/8" to 5/32" ID tubing.
- A-420 – Static pressure pickup for roof/outside mount, NEMA 4X (IP66) rated structure withstands harsh environmental elements, structure is 3-5/8" across and 2-1/2" deep, EMT conduit fitting is 1/2", pressure connection is brass barbed fitting for 1/4" tubing.
- A-306-A – Outdoor static pressure sensor, provides average outdoor pressure signal for reference in building pressurization applications, includes sensor, 50 ft vinyl tubing, mounting bracket and hardware.
- A-201 – Rubber tubing, 3/16" ID, 9 ft length.
- A-202 – Rubber tubing, 3/16" ID, lengths to 50 ft, per ft.
- A-203 – PVC tubing, 1/8" ID x 1/4" OD, per ft.
- A-210 – Aluminum tubing, 1/4" OD, 5 ft length, 500 psi maximum pressure @ 200°F.
- A-211 – Aluminum tubing, 1/4" OD, 50 ft length, 500 psi maximum pressure @ 200°F.
- A-220 – Flexible vinyl tubing, clear 3/16" ID x 5/16" OD, lengths to 500 ft, per ft, 45 psi maximum pressure @ 73°F.
- A-221 – Flexible vinyl tubing, clear 1/8" ID x 3/16" OD, lengths to 500 ft, per ft, 40 psi maximum pressure @ 165°F.
- A-222 – Flexible vinyl tubing, clear .240" ID x .375" OD, lengths to 500 ft, per ft, 35 psi maximum pressure @ 73°F.
- A-223 – Black polyethylene 1/8" ID 1/4" OD, 10 ft length, 200 psi maximum @ 140°F.
| Model Number | Description | |
|---|---|---|
 | 1823-00 | Differential pressure switch, range 0.07-0.22" w.c., approx. deadband @ min. set point 0.05, approx. deadband @ max. set point 0.05. |
| 1823-0 | Differential pressure switch, range 0.15-.05" w.c., approx. deadband @ min. set point 0.06, approx. deadband @ max. set point 0.06. |
| 1823-1 | Differential pressure switch, range 0.3-1.0" w.c., approx. deadband @ min. set point 0.08, approx. deadband @ max. set point 0.08. |
| 1823-2 | Differential pressure switch, range 0.5-2.0" w.c., approx. deadband @ min. set point 0.10, approx. deadband @ max. set point 0.12. |
| 1823-5 | Differential pressure switch, range 1.5-5.0" w.c., approx. deadband @ min. set point 0.14, approx. deadband @ max. set point 0.28. |
| 1823-10 | Differential pressure switch, range 2.0-10" w.c., approx. deadband @ min. set point 0.18, approx. deadband @ max. set point 0.45. |
| 1823-20 | Differential pressure switch, range 3-22" w.c., approx. deadband @ min. set point 0.35, approx. deadband @ max. set point 0.70. |
| 1823-40 | Differential pressure switch, range 5-44" w.c., approx. deadband @ min. set point 0.56, approx. deadband @ max. set point 1.10. |
| 1823-80 | Differential pressure switch, range 9-85" w.c., approx. deadband @ min. set point 1.30, approx. deadband @ max. set point 3.0. |
| Weight | 1 kg |
|---|
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