M37 Industrial Pressure Gauges with inductive contacts Main Features For corrosive gasses and Option : liquid-filled for ap- liquids Class 1 according to EN 837-1 Inductive electrical contacts Wetted parts Stainless steel plications with pulsations or vibrations Option : case material 1.4404 (316L) for aggressive atmosphere Applications Food & Beverage Laboratory & Medical Oil & Gas / Chemical Water & Waste water Energy Transportation & Logistics Machinery Technical Data 150 mm Temperature Ambient : -20 ... +70°C Medium : -40 ... +200°C (not filled) For liquid filled version see ordering details. The case temperature must not exceed +70°C Storage : -40 ... +70°C Contacts Inductive contacts with sensor according to EN 60947-5-6 (NAMUR), sensor type SJ2-N Setpoints 1 or 2 Measurement range -1 ... 0 to 0 ... 1600 bar Pressure limitation Ranges < 600 bar Steady : 100% of full scale value Fluctuating : 90% of full scale value Short time : 130% of full scale value Ranges ≥ 600 bar Steady : 75% of full scale value Fluctuating : 65% of full scale value Short time : 100% of full scale value Accuracy Class 1 (according EN837-1 and DIN 16085) Protection rating IP 65 (EN 60529) Process Connection Stainless steel 1.4404 (AISI 316L) Electrical connection Connecting box with terminal block Cable gland M20 x 1.5 for cable Ø 7 to 13 mm (others on request) Minimum pressure range ATEX Bourdon tube Stainless steel 1.4404 (AISI 316L) Case Stainless steel 1.4301 (AISI 304) Bezel ring Stainless steel 1.4301 (AISI 304) Movement Stainless steel Window Window gasket Convex transparent polycarbonate cover with watertight setpoint adjustment knob Elastomer Dial Aluminium, white Pointer Aluminium, black Thermal drift ± 0.4% F.S. / 10 K (reference : 20°C) 1 contact 1 bar 2 contacts 1.6 bar Type examination certificate LCIE 03 ATEX 6402 X Classification II 2 G Ex ia IIA T6 or T5 or T4 Gb Electrical data Ci = 30 nF Li = 100 µH For limits of voltage, current rating, power consumption and ambient temperature, see datasheet A21.33 and instruction manual. Options Code 0771 Stainless steel 1.4404 (AISI 316L) solid drawn Bourdon tube Code 0816 To be ordered separately Material certificate 3.1 EN10204 Code Q003 Calibration certificate EN837-1 (5 points raising and 5 points falling) Code Q009 2015-03-16 Restrictor screw Ø 0.5 (for fittings > 1/4") Design and specifications subject to change without notice Nominal size www.baumer.com Data sheet A21.34 Page 1 / 3 M37 Industrial Pressure Gauges with inductive contacts Dimensions - Types of mounting B Weight (kg) Filled : 1.900 Unfilled : 0.930 Cable gland M20X1.5 A (11)* B (32)* C (12)* Type B or C Type A or E Panel cut-out type B or C D (10)* mm NS 150 F (30)* E (31)* *Type of mounting according to EN837-1 in brackets A B C D E F H J K L N P R T U V W X Z 150.2 85 180 168 25.5 23 19 5.5 111 39.3 17 142 54.5 57 105 110 96 151 31.5 Pressure ranges kPa Code kg/cm² Code psi B59 -1 ... 0 D59 B72 -1 ... 0.6 D72 -100 ... 60 F72 -1 ... 0.6 H73 -30″ Hg ... 15 B74 -1 ... 1.5 D74 -100 ... 150 F74 -1 ... 1.5 H75 -30″ Hg ... 30 B76 -1 ... 3 D76 -100 ... 300 F76 -1 ... 3 H2C -30″ Hg ... 60 B77 -1 ... 5 D77 -100 ... 500 F77 -1 ... 5 H78 -30″ Hg ... 100 B79 -1 ... 9 D79 -100 ... 900 F79 -1 ... 9 H79 -30″ Hg ... 150 B81 -1 ... 15 D81 -100 ... 1 500 F81 -1 ... 15 H81 -30″ Hg ... 220 B82 -1 ... 24 D82 -100 ... 2 400 F82 -1 ... 24 H82 -30″ Hg ... 300 0 ... 100 F15 0 ... 1 H15 0 ... 15 -100 ... 0 F59 -1 ... 0 H59 -30″ Hg ... 0 B15 0 ... 1 D15 B16 0 ... 1.6 D16 0 ... 160 F16 0 ... 1.6 H1C 0 ... 20 B18 0 ... 2.5 D18 0 ... 250 F18 0 ... 2.5 H17 0 ... 30 B19 0 ... 4 D19 0 ... 400 F19 0 ... 4 H19 0 ... 60 B20 0 ... 6 D20 0 ... 600 F20 0 ... 6 H21 0 ... 100 B22 0 ... 10 D22 0 ... 1 000 F22 0 ... 10 H22 0 ... 160 B24 0 ... 16 D24 0 ... 1 600 F24 0 ... 16 H23 0 ... 200 B26 0 ... 25 D26 0 ... 2 500 F26 0 ... 25 H25 0 ... 300 40 D27 0 ... 4 000 F27 0 ... 40 H26 0 ... 400 600 B27 0 ... B29 0 ... 60 D29 0 ... 6 000 F29 0 ... 60 H27 0 ... B31 0 ... 100 D31 0 ... 10 000 F31 0 ... 100 H30 0 ... 1 000 B33 0 ... 160 D33 0 ... 16 000 F33 0 ... 160 H31 0 ... 1 500 B35 0 ... 250 D35 0 ... 25 000 F35 0 ... 250 H34 0 ... 3 000 B38 0 ... 400 D38 0 ... 40 000 F38 0 ... 400 H38 0 ... 6 000 B39 0 ... 600 D39 0 ... 60 000 F39 0 ... 600 H40 0 ... 10 000 B41 0 ... 1 000 D41 0 ... 100 000 F41 0 ... 1 000 H41 0 ... 15 000 B42 0 ... 1 600 D42 0 ... 160 000 F42 0 ... 1 600 H1D 0 ... 20 000 www.baumer.com Data sheet A21.34 Design and specifications subject to change without notice Code Bar 2015-03-16 Code Page 2 / 3 M37 Industrial Pressure Gauges with inductive contacts Ordering details M37 M Model Pressure gauge with electrical contacts Type of contacts Inductive contacts Nominal size 150 mm Contact function 3 7 . – xxx M 3 7 N° Setpoints Sensor type Contact breaks (1) 1 SJ2-N Contact makes (1) 1 SJ2-N (1) 1st contact breaks / 2nd contact makes 2 SJ2-N (1) 1st contact breaks / 2nd contact breaks 2 SJ2-N 1st contact makes / 2nd contact makes (1) 2 SJ2-N 1st contact makes / 2nd contact breaks (1) 2 SJ2-N Type of mounting Stainless steel case and bezel ring 1.4301 (AISI 304) Bottom connection, 3 back lugs fixing Back connection, front flange, 3 mounting holes Bottom connection, front flange Bottom connection Back connection, 3 back lugs fixing Back connection Stainless steel case and bezel ring 1.4404 (AISI 316L) Bottom connection, 3 back lugs fixing Back connection, front flange, 3 mounting holes Bottom connection, front flange Bottom connection Back connection, 3 back lugs fixing Back connection Process connection G 1/4 G 1/2 1/4 NPT 1/2 NPT Liquid filling Dry BH3: silicone oil (medium : -40 ... +100°C) BH5: fluor carbon for oxygen use (160 bar max.) (medium -15 ... +100°C) Contact type – 8002 8001 8021 8022 8011 8012 1 2 4 5 6 7 A B C D E F 1 2 3 4 5 6 2 3 5 6 0 3 5 Unit of measurement / Pressure ranges (2) bar psi kPa MPa kg/cm² . Bxx H xx D xx Exx Fxx / Options to be added behind the / (see example below) (2) With clockwise pointer motion Available standard pressures ranges, see tables on page 2. For ranges not listed, please contact Baumer. Ordering example with options M 3 7 – 1 A 3 0 . B22 / 0771 Pressure gauge with electrical contacts Inductive contact Nominal size 150 mm 1 contact breaks Bottom connection, 3 back lugs fixing, case material 1.4301 Process connection G 1/2 No liquid filling Scale bar : 0 ... 10 bar www.baumer.com 2015-03-16 Option : Restrictor screw Ø 0.5 Design and specifications subject to change without notice (1) / Data sheet A21.34 Page 3 / 3