


Series AT-ADPS ATEX/IECEx Approved Differential Pressure Switch
ATEX/IECEx Approved Differential Pressure Switch designed for

Series AT-1900 ATEX/IECEx Approved Compact Low Differential Pressure Switches
Series AT-1900 ATEX/IECEx Approved Compact Low Differential Pressure Switches

Series H3 Explosion-Proof Differential Pressure Switches
Explosion-Proof Differential Pressure

Series AT-DHC ATEX/IECEx Approved Digihelic® Differential Pressure Controller
The Series AT-DHC ATEX/IECEx Approved Digihelic® Differential

Series 1800 Low Differential Pressure Switch for General Industrial Service
Compact Low Differential Pressure Switches

Series 1900 Compact Low Differential Pressure Switches
Compact Low Differential Pressure Switches

Series 1950 Explosion-proof Differential Pressure Switch
Explosion-proof Differential Pressure Switch applies to HVAC,

Series 1950G Explosion-Proof Differential Pressure Switch
Explosion-proof Differential Pressure Switch combines the best

Series 1620 Single and Dual Pressure Switch
Single and Dual Pressure Switch which applies to damper positioning

Series 1630 Large Diaphragm Pressure Switches
Large Diaphragm Differential Pressure Switches are used with air

Series 1640 Floating Contact Null Switch for High and Low Actuation
Floating Contact Null Switch for High and Low Actuation which

Series DP Double Bellows Differential Pressure Switch
Double Bellows Differential Pressure Switch applies to accurate

Series PG Gas Pressure/Differential Pressure Switch
Gas Pressure/Differential Pressure Switch is used with air and other

Series 1996 Gas Pressure Switch
Gas Pressure Switch used with natural, manufactured, or LP gas.

Series MDS Miniature Pressure Switch
Miniature Pressure Switch applies to air proving, ventilation

Series MDA Miniature Adjustable Pressure Switch
Miniature Adjustable Pressure Switch applies to industrial, HVAC,

Series A4 Differential Pressure Switch
Differential Pressure Switch which is capable of carrying moderate

Series ADPS/EDPS Differential Pressure Switch
HVAC Differential Pressure Switch which applies to controlling air and

Series 1831 DPDT Low Differential Pressure Switches
DPDT Low Differential Pressure Switches which applies to HVAC and

Series BDPA Adjustable Differential Pressure Alarm
The Series BDPA Adjustable Differential Pressure Alarm with built-in audible and

Series DX Wet/Wet Differential Pressure Switch
Wet/Wet Differential Pressure Switch for use with most gases and

Series EWDP Wireless Communications Adjustable Differential Pressure Switch
Wireless Communications Adjustable Differential Pressure Switch

Series AT-1800 ATEX/IECEx Approved Low Differential Pressure Switch
Series AT-1800 ATEX/IECEx Approved Low Differential Pressure