Ex Pressostat Swiss based Trafag is a leading international supplier of high quality sensors and monitoring instruments for measurement of pressure and temperature. Rugged aluminium housing, option: housing stainless steel Protection IP66 Any mounting position possible Ex d e IIC T6 Gb Ex tb IIIC T80°C Db Technical Data Measuring principle Media temperature Measuring range Ambient temperature Output signal 1 Floating change-over contact (SPDT) Switching differential Areas with gaz explosion hazards: II 2 G Ex d e IIC T6 Gb Areas with dust explosion hazards: II 2 D Ex tb IIIC T80°C Db Trafag Sensors & Controls Switzerland www.trafag.com [email protected]

EXPK 944/947/953 Ordering information/type code XXX XX XX XXX XX XX Custom build code Without display, with adjusting screw With display and adjusting knob With display and adjusting screw Standard, switching differential not ajustable Sensor material Piston 1.4435, O-Ring NBR Piston 1.4435, O-Ring NBR Piston 1.4435, O-Ring FKM Piston 1.4435, O-Ring FKM Piston 1.4435, O-Ring NBR Piston 1.4435, O-Ring NBR Piston 1.4435, O-Ring FKM Piston 1.4435, O-Ring FKM Piston 1.4435, O-Ring NBR Piston 1.4435, O-Ring NBR Thread G1/4" female G1/2" male G1/4" female G1/2" male G1/4" female G1/2" male G1/4" female...

EXPK 944/947/953 Standard products (extra short lead time) Product No. Type Code

EXPK 944/947/953 Specifications Accuracy Switching differential Adjustment range switchpoint Environmental conditions AlSi10Mg/ Epoxy coated Accessory 06: 1.4301 (AISI 304) Screwed cable gland Mounting torque Dielectric strength Life time (mechanical) Electrical connections Terminal screw Cable gland M20x1.5/SW24 Cable-Ø 5.5...13 mm Approval: PTB 99 ATEX 3128 X Electrical connection Storage temperature Media temperature Mechanical Data Ambient temperature Other adjustment ranges upon request Additional information Documents Data sheet Instructions Flyer

Dimension X and Y see data sheet H72271

EXPK 944/947/953 Switching differential typ. @ 25°C Measuring range of piston sensor Microswitch 91 Switching differential: Variable according to set point (not adjustable) Measuring range of piston sensor Microswitch 91 Switching differential: Variable according to set point (not adjustable) Electrical data switch Rating Resistive Load (Inductive Load) Type 91 Electrical connection