Hazardous Areas Adjustable Pressure Switch 6905DZE* - Diaphragm Sensor DESCRIPTION SERIES: • HighlyH reliable devices utilizing the 6905DZE*-7042 CCCS Dual-Snap® Belleville disc spring pprinciple pioneered by CCS’ engineers. ADJUSTABLE SET POINT RANGE: • EEngineering based on aerospace ttechnology. DIFFERENTIAL PRESSURE: • RRigid, compact and internally adjustable .5 to 75 PSID fofor convenient fi eld set point adjustment. 0.03 to 5.17 bar 3.45 to 517 kPa • RRepeatable and stable set points. • VVibration and shock resistant. OPERATING TEMPERATURE: • HHigh cycle life. Temperature limits change with O-ring selection. • HHigh over-pressure capability. -40° to 186°F ((System and Proof) -40° to 86°C • CCertifi ed explosion proof hermetically ssealed electrical assembly for STANDARD FEATURES: • ATEX - Baseefa Certifi ed eenvironmental protection. • CE Mark • VVarious options for electrical ratings to • CCC mmeet a wide range of application • NEMA: 4, 7, 9,13 / IP66 & 67 rrequirements and media compatibility. • NACE MR0175 / ISO 15156 • Hermetically Sealed Electrical Assembly SSHIPPING WEIGHT: APPROXIMATELY 49 OUNCES • 316 SST Electrical Assembly ((1389 GRAMS) • 300 Series SST Housing • M20 Electrical Connection INSTALLATION DRAWING DESIGN PRINCIPLES FIELD SETTING: Loosen access cover. Adjust adjustment screw using screwdriver slot as illustrated, then attach to a variable pressure source with a suitable gage, and check that the circuit continuity operates at the pressures desired. Clockwise to increase settings. Counterclockwise to decrease setting. NOTE: DO NOT USE ELECTRICAL HEX FOR TORQUING. Models: 6905DZE*, Page 1 of 2 ccsdualsnap.com Form 830G, 12.10.13 Hazardous Areas Adjustable Pressure Switch 6905DZE* - Diaphragm Sensor OPERATING AND ORDERING DATA WETTED PARTS: 1/4"-18 NPT STAINLESS STEEL PRESSURE PORT, POLYIMIDE HOW TO ORDER DIAPHRAGM, VITON O-RING Follow these steps to build your part number: PROOF SERIES ADJUSTABLE SET POINT PRESSURE 1. Specify the series 6905DZE*-7042 RANGE PSID (BAR) APPROX. SYSTEM PSIG (BAR) based on your required DEAD PRESSURE set point, range, dead BAND HIGH OVER LOW PSIG (BAR) BOTH INCREASING DECREASING PSI (BAR) LOW OVER HIGH band, system pressure PORTS and proof pressure. PRESSURE PRESSURE SIMULT. HIGH LOW 2. Add desired options model code letter. 3. Add the applicable 1.5-18 0.5-17 1 standard suffi x number. 6905DZE*8-7042 (0.103-1.24) (0.03-1.17) (0.069) (Ex: 6905DZEM8-7043) 400 750 750 400 (28) (52) (52) (28) PRESSURE 6-75 2-71 4 CONVERSION 6905DZE*10-7042 (0.414-5.2) (0.14-4.9) (0.28) 1 BAR = 14.5 PSI 1 kPa = 0.145 PSI OPTIONAL STANDARD PRESSURE SWITCH CERTIFICATIONS MODIFIED SUFFIXES * ATEX - Certifi cate No. Baseefa 03ATEX0700X. Baseefa certifi ed equipment or 7043: Gold Contacts and protective system intended for potentially explosive atmospheres Directive 94/9/EC. Stainless Steel Body In compliance with EN60079-0:2012, EN 60079-1:2007, EN 60079-31:2009. (-7042) ELECTRICAL CHARACTERISTICS RATING OF SWITCH ELEMENT AMPERES VOLTS SPDT DPDT "M" Res. Res. OPTIONS MODEL 125 AC - 50/60 Hz 11 11 CODES 250 AC - 50/60 Hz 11 11 30 DC 55 M: DPDT Electrical 125 DC .5 .5 *125 AC - 50/60 Hz 1 max 1 max *30 DC 1 max 1 max CERTIFICATIONS *Gold Contacts -7043 Suffix Consult CCS website for complete certifi cation and SCHEMATIC AND WIRING CODE approval listing. Note: Additional modifi ed standard suffi xes are available, consult CCS sales department or CCS Representative. Models: 6905DZE*, Page 2 of 2 ccsdualsnap.com Form 830G, 12.10.13.