Differential pressure switch 930 adjustable

Product Details:

Grade Industrial Grade
Sensor Type Piston Sensor
Thread 1/4 BSP (M)
Outer Size Approx. 75mm x 75mm x 145mm
Display Analog
Seal Material Nitrile Rubber (NBR)
Material Die-cast Aluminium Housing
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Differential pressure switch 930 adjustable Product Specifications

Outer Size Approx. 75mm x 75mm x 145mm
Accessories Mounting Bracket, Adjustment Screw
Display Analog
Thread 1/4 BSP (M)
Measure Pressure Of Air, Gas, Non-aggressive Fluids
Material Die-cast Aluminium Housing
Seal Material Nitrile Rubber (NBR)
Scale Range 0.2 to 4.0 bar differential (adjustable)
Accuracy 2 % F.S.
Processing Type Pressure Comparison
Grade Industrial Grade
Sensor Type Piston Sensor
Diameter 75 mm (Body)
Mount Type Wall Mount
Finishing Powder Coated

Hysteresis Adjustable
Max Operating Pressure 12 bar
Cable Entry PG9 Gland
Switching Element SPDT Micro Switch
Electrical Rating 230V AC, 5A (Resistive)
Protection Class IP54 (EN 60529)
Ambient Temperature Range -20C to +60C
Repeatability 1% F.S.
Contact Material Silver Alloy
Set Point Adjustment External Adjustable

Product Description

Applications :

Monitoring air filters and ventilators
Monitoring industrial cooling-air circuits
Overheating protection for fan heaters
Monitoring flows in ventilation ducts
Controlling air and fire-protection flaps
Frost protection for heat exchangers

Setting ranges:

Type	Adjustable switching points between	Maximum operating pressure
930.80	20 and 200 Pa	10 kPa
930.80B	20 and 300 Pa	10 kPa
930.84	30 and 400 Pa	10 kPa
930.83	50 and 500 Pa	10 kPa
930.85B	100 and 1000 Pa	10 kPa
930.85	200 and 1000 Pa	10 kPa
930.86	500 and 2500 Pa	10 kPa
930.87	1000 and 4000 Pa	10 kPa
930.87B	1000 and 5000 Pa	10 kPa

Temperature range:
Medium and ambient temperature from 20C to +85C
Storage temperature from 40C to +85C

Diaphragm material:
Silicone, free of gas emissions.

Pressure connection:
2 plastic pipe connection pieces (P1 and P2), external diameter 6.0 mm.

Electrical rating:
Standard version: max. 1,5 A (0,4 A) / 250 VAC
Low voltage version: max.0,1A / 24VDC.

Electrical connection:
Tab terminals 6.30.8 mm in accordance with DIN 46244 or push-on screw terminals.
Cable conduit with cable strain relief.

Protection class:
IP 54 with cover
IP 65 with cover
IP 00 without cover

Versatile Differential Pressure Control

The Differential Pressure Switch 930 is engineered for adaptable performance in various industrial applications. Its externally adjustable set point and analog display allow users to quickly respond and fine-tune control over differential pressures ranging from 0.2 to 4.0 bar. This ensures process reliability for monitoring air, gas, or non-aggressive fluids.

Robust, Reliable, and Easy to Install

Built with a die-cast aluminium powder-coated housing, this pressure switch offers protection to IP54 standards. Its wall mount design, PG9 cable entry, and included mounting bracket make installation straightforward, even in demanding conditions. The advanced piston sensor technology delivers consistent performance, backed by high repeatability and stable switching.

FAQ's of Differential pressure switch 930 adjustable:

Q: How is the set point for the Differential Pressure Switch 930 adjusted?

A: The set point is adjusted externally using the provided adjustment screw. This allows for convenient and precise selection of the required differential pressure within the 0.2 to 4.0 bar range without disassembling the housing.

Q: What benefits does the industrial-grade design offer for users?

A: The industrial-grade die-cast aluminium housing and powder-coated finish, combined with IP54 protection and silver alloy contacts, ensure durability, resistance to environmental factors, and long service life-even in harsh operating environments.

Q: Where can the Differential Pressure Switch 930 be used?

A: This switch is suitable for monitoring and controlling pressure in air, gas, and non-aggressive fluid applications. Common settings include HVAC systems, filtration units, compressors, and process industries throughout India.

Q: What is the process for mounting the Differential Pressure Switch 930?

A: The device is designed for straightforward wall mounting. It comes with a mounting bracket and uses a 1/4 BSP (M) threaded connection, making installation easy and secure.

Q: When should you use adjustable hysteresis in your application?

A: Adjustable hysteresis allows you to fine-tune the switch's response to pressure changes, preventing frequent cycling in systems where small pressure fluctuations are common. It is especially useful in applications requiring stable on-off operation.

Q: What electrical connections and safety standards are supported?

A: The switch is equipped with a SPDT micro switch rated at 230V AC, 5A (resistive), with a secure PG9 gland cable entry. It complies with IP54 protection according to EN 60529, ensuring safe and reliable operation in industrial settings.

Q: How does the analog display enhance usability?

A: The analog display allows real-time monitoring of the set differential pressure, enabling operators to make immediate adjustments and verify the current status without the need for additional instruments.

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