GEMTECH – Differential Pressure Switch

GEMTECH – Differential Pressure Switch

GEMTECH Differential Pressure Switch 930.8x

With Adjustable Switching Pressure

Applications

GEMTECH Adjustable Differential Pressure Switch For Monitoring Overpressure,Vacuum and Differential Pressure Of Air Or Other Non-Combustible,Non-Aggressive Gases.Possible Fields Of Application Include:

• Monitoring Air Filters And Ventilators
• Monitoring Industrial Cooling-Air Circuits
• Overheating Protection For Fan Heaters
• Monitoring Flows in Ventilation Ducts
• Controlling Air Fire-Potection Flaps
• Frost Protection For Heat Exchangers

Versions

With This Pressure Switch The Switching Pressure Can Be Adjusted Without A Pressure Gauge Using A Scaled Adjustment Knob.The Switching Differential Can Also Be Adjusted With A Screwdriver.

Type	Adjustment Range For Upper Switching Pressure From            To	Switching Differential  Set To	Tolerance For Upper And Lower Switching Pressure
930.80	20        200Pa	10 Pa	± 15%
930.81	30        300Pa	20 Pa	± 15%
930.82	50        500Pa	20Pa	± 15%
930.83	200     l000Pa	100 Pa	± 15%
930.85	500     2500Pa	150 Pa	± 15%
930.86	1000   4000Pa	250 Pa	± 15%

Switching Pressure Specifications Apply To Vertical Installation Which Is Also The Recommended Position With Pressure-Pipe Connections Pointing Downwards.If The Switches Are Installed Horizontally With AMP Connection Terminals Uppermost,The Switching Values Are Approx.20Pa Higher.

Maximum Operating Pressure :

• l0 kPa For all Pressure Ranges

Medium :

• Air,Non-Combustible And Non-Aggressive Gases.

Temperature Range :

• Medium And Ambient Temperature From-20’Cto +85’C.
• Storage Temperature From-40’Cto+85’C.

Diaphragm Material :

• Silicone, Temperedat 2oo•c,Free Of Gas Emissions.OtherN Materials Availabe On Request.

Pressure Connections :

• 2 Plastic Pipe Connection Pieces (Pl And P2), External Diameter 6.0 MM:
• Pl For Connection To Higher Pressure (Marked+J
• P2 For Connection To Lower Pressure (Marked-]

Housing Materials:Switch Body Made Of PA 6.6.Cover Made Of PS. 

Weight:

• With Cover 150 g
• Witout Cover ll0 g

Mechanical Working Life :

• Over lO’ Switcing Operations.

Electrical Rating :

• Standard Version            1.0A(0.4A]I250VAC
• Low-Voltage Version 0.lA/24VDC 

Electri Calconnections :

• AMP Frat Plug 6.3 MM x 0.8 MM In Accordance With DlN 46244 Or Push-On Screw Terminals.
• Cable Conduit PG-11 Or M20xl.5 With Cable Strain Relief.

Arrangement Of Contacts :

Dimensions :