DWYER Series A4 Differential Pressure Switch
RM 0.00
SKU: A4
Categories: BRAND, Differential Pressure, Dwyer, Dwyer Instruments, Pressure Switch, PRESSURE SWITCH, SWITCH
Tags: A4-1, A4-2, A4-3, A4-4, A4-5, Differential Pressure Switch, Dwyer, Series A4
Description
Series A4 Differential Pressure Switch, Adjustable Set Point, High Overpressure
Rugged DWYER Series A4 Differential Pressure Switch offers field adjustments and can handle system pressures up to 6000 psig. Piston design allows mounting in any orientation. The DWYER Series A4 Differential Pressure Switch is capable of carrying moderate shock and vibratory loads.
Specifications
- Service: Compatible gases.
- Wetted Materials: Body, piston, and fittings: anodized aluminum; spring: steel.
- Temperature Limits: -65 to 225°F (-54 to 107°C).
- Pressure Limits: 2000 psid (138 bar).
- Repeatability: See Ordering page.
- Switch Type: SPDT.
- Electrical Rating: AC: 3 VA, 0.25A @ 120 VAC; 5 VA, 0.25A @ 175 VDC.
- Electrical Connection: 24 AWG X 12″ (30.5 cm) wire leads.
- Process Connection: 1/4″ female NPT.
- Mounting Orientation: Any.
- Set Point Adjustment: See Ordering page.
- Weight: 8.5 oz (241 g).
- Agency Approvals: CE.
Models & Ordering
Model | Description |
---|---|
A4-1 | Differential pressure switch, ±2 psi (.14 bar) repeatability, set point (increasing) 7-13 psid (.48-.89 bar), set point (decreasing) 2-7 psid (.14-.48 bar). |
A4-2 | Differential pressure switch, ±4 psi (.28 bar) repeatability, set point (increasing) 13-25 psid (.89-1.7 bar), set point (decreasing) 5-16 psid (.34-1.1 bar). |
A4-3 | Differential pressure switch, ±8 psi (.55 bar) repeatability, set point (increasing) 25-45 psid (1.7-3.1 bar), set point (decreasing) 10-21 psid (.68-1.5 bar). |
A4-4 | Differential pressure switch, ±16 psi (1.1 bar) repeatability, set point (increasing) 35-160 psid (2.4-11.0 bar), set point (decreasing) 20-80 psid (1.4-5.5 bar). |
A4-5 | Differential pressure switch, ±32 psi (2.2 bar) repeatability, set point (increasing) 120-250 psid (8.3-17.2 bar), set point (decreasing) 35-120 psid (2.4-8.3 bar). |
Additional information
Model | A4-1, A4-2, A4-3, A4-4, A4-5 |
---|
Related products
-
DWYER MP Mini-Photohelic Pressure Switch/Gage
RM 0.00 Select options -
Dwyer W.E Anderson SERIES L4 FLOTECT® FLOAT SWITCH
RM 0.00 Add to cart -
DWYER Model 473B 100 mm Vane Thermo-Anemometer Test Instrument
RM 0.00 Add to cart -
DWYER Series 2-5000 Minihelic® II Differential Pressure Gage
RM 0.00 Select options