Essential for industrial environments, the Series AT-1800 ATEX/IECEx Approved Low Differential Pressure Switch combines small size with 2% repeatability. Set point adjustment inside the switch allows for set point settings across 9 ranges from the low of .07 in w.c. to a maximum 85 in w.c. differential pressure. Series AT-1800 flameproof enclosures are available in aluminum and are ideal for low pressure hazardous area applications. Various housing options such as an over-pressure relief valve or external set point adjustment knob are available. External set point knob allows adjustment without opening the enclosure.
Attention: Check local safety rules and warnings on unit and manual for a correct use of the instrument in hazardous area.
Important notes for installation: • Cables must be fitted through 1/2" NPT cable gland or ATEX/IECEx conduit (not supplied with instrument). • Make sure after cabling to close tight cover and cable gland, in order to maintain IP66 rating. • Open cover only after de-energizing instrument. Attention: Check local safety rules and warnings on unit and manual for a correct use of the instrument in hazardous areas.