Brief Introduction

DGM1A

Manufacturer: FEMADGM1AFEMA Pressure monitor for fuel gases (DGM)For overpressure monitoring of fuel gases.Kind of pressure: overpressure, relativePressure connection: internal thread G1/4, external thread G1/2Electrical connection: Plug DIN EN 175301Protection class: IP54Housing material: rugged housing of seawater resistant aluminium die casting GD Al Si 12Media temp.: -25...60CMedia temp. limit: temperatures up to 85 °C are allowable for short periods. Higher temperatures are possible, provided that the limit is safeguarded by suitable measures (e.g. water tube trap, see Accessories for Pressure Switches / Transmitters)Ambient temperature: -25...60CAmbient temp. limit: at temperatures below 0 °C, ensure that no water condensation can arise in the sensor and in the switching deviceSwitch function/capacity: SPDT Microswitch 250 Vac; capacity 5 A inductive, 8 A resistiveOptional functions: add the type numbers below to the listed type numbers for extra functionality as described -213: gold-plated contacts, switching capacity: max. 24 Vdc, 100 mA, min. 5 Vdc, 2 mA. And others not available with adjustable switching difference. -301: terminal connection housing, IP65 -513: Gold-plated contacts, single-pole switch-over. Switching differential permanent. IP65. Switching capacity: max. 24 Vdc, 100 mA, min. 5 Vdc, 2 mA; suitable isolating switching amplifier necessary, degree of protection Ex-i -574: Normally closed contact with resistance combination for minimum pressure monitoring. Gold-plated contacts. Housing with surface protection (chemical version), IP65, degree of protection Ex-i -575: Normally closed contact with reclosing lock-out resistance combination for minimum pressure monitoring. Housing with surface protection (chemical version), IP65, degree of protection Ex-i -576: Normally closed contact with resistance combination for maximum pressure monitoring. Gold-plated contacts. Housing with surface protection (chemical version), IP65, degree of protection Ex-i -577: Normally closed contact with reclosing lock-out and resistance combination for maximum pressure monitoring. Housing with surface protection (chemical version), IP65, degree of protection Ex-i Certificates: CE-0085 AQ 1088 according EU/2009/142/EG (30.11.2009) and DIN EN 1854 (01.07.2006) SIL2 according IEC 61508-2Fixed pressure hysteresisPressure adjustment range: 0.2...1.6barSwitching differential: 40mbarMax. pressure: 3barSensing element material: Copper + BrassShipping Weight : 2 Kg