Differential Pressure Switch

Transcription

1 Features Using piezoresistive pressure sensor, which is compensated and aged well; high accuracy, quick response; Amplifier circuit driving switch relay; relay value could be set freely between zero and FS; LBD on product housing, easy observation; easy relay having normal open and normal close connector; Stainless steel material contacting with media; aluminum-alloy electronic housing; protection IP65; Optional product types; Introduction MPM/MDM580 series electronic pressure/level/differential pressure switch could provide max. two relay signal to control industrial pressure, level and differential pressure. The product is widely used for chemi-industry, engineer, hydrology and power station, etc. Specifications Pressure switch controlling range: ~ MPa, overpressure: 1.5 times FS or 110MPa(min.value is valid) MPM580W/580AW Level switch controlling range: 0~1 200mH 2 O MPM580WK/580A WK Armoured level switch controlling range: 0~1 4mH 2 O Differential Pressure Allowing overpressure controlling range + - 0~35kPa 70kPa 35kPa 0~70kPa 150kPa 70kPa 0~100kPa 200kPa 100kPa MDM580/580A 0~200kPa 400kPa 200kPa 0~350kPa 700kPa 350kPa 0~700kPa 1400kPa 700kPa 0~1000kPa 2000kPa 1000kPa 0~2000kPa 4000kPa 1000kPa 0~3500kPa 7000kPa 1000kPa Static pressure 20MPa Tel: /30832 Fax:30755

2 > Ra n g e Accuracy: Stability: 1%FS(rep.+hys.) 0.5%FS/year Power supply: 18~24VDC Consumption: 1W Relay load: Relay life: 250VAC/3A, 30VDC/5A > times Operation temp.: -10 ~80 Storage temp.: -40 ~100 Pressure port: stainless steel 1Cr18Ni9Ti Seal pad and O-ring: Viton Diaphragm: stainless steel 316L Cable: Φ7.2mm PVC shielding cable Electric housing: Aluminum-alloy Protection: IP65 Operation situation display: actual pressure lower limit value, L1 lights; (L1 is lower limit controlling indicating light) actual pressure upper limit value, L2 lights;(l2 is upper limit controlling indicating light) Outline Construction (unit: mm) Ø 8 0 Ø8 0 Ø 8 0 MPM58 R ange:0-8. MPM58 Range: 0-8. M ICRO SE NSOR MP M58 Ra nge:0-8. MICR O SENS OR S W 27 S W3 6 S W 4 8 Ø 6 M2 0 X 1. 5 M 42 X 1.5 Ø1 8 Ø 2 6 Ø1 6 Ø2 6 MPM580 Pressure Switch MPM580W Level Switch MPM580WK Level Switch Tel: /30832 Fax:30755

3 ~100 Ø30 G1/4 Ø30 Ø40 SW R MIC RO SENS OR C O.,L TD. 80 ~98 Ø MPM580A Electronic Pressure Switch Upper Limit MDM 58 Lower Limit Rang e:0-8. SN. Date Ø27 1 Ø27 SW M20X1.5 Ø6 MDM580 MPM580A Pressure Switch Electric Connection + - B D A B C D E F V + O P Q O P A -blac k B-red Power C -yell ow D-whi te E -blue F-gre en U p - l i m it D o w n- l i m i t M -setting down-limit M N -setting up -limit N O -comm on poi nt P -norm al ope n Q -norm al clo se L 2 L 1 U p - l i m i t i n d i c a t o r D o w n - l i m i t i n d i c a t o r Q Suppl y - Supp ly+ up -l i mi t op e n u p- li m it c om m on up - li mi t c lo se d ow n -l im it op en d o wn -l i mi t co m mo n d ow n -l im i t cl o se MPM/MDM580 Series Electric Connection MPM/MDM580A Series Electric Connection Application Example MPM580A Electronic Pressure Switch uppe r l imi t lowe r l imi t MP M5 8 ra ng e: 0-8. SN. Dat e R MI CRO S ENS OR CO.,L TD. cu t- off va lve c ut- off va lv e t ube t ub e Tel: /30832 Fax:30755

4 2 2 0 V A C V A C 1 2 V D C u p - l i m i t c l o s e d o w n - l i m i t o p e n J 1 J 2 u p - l i m i t r e l a y J p r e s su r e i n c r e as i n g p u m p u p - l i m i t o p e n J 1 d o w n - l i m i t c l o s e J 2 m e d i u m r e l a y J drai nage pu mp u p - l i m i t c l o s e u p - l i m i t o p e n d o w n - l i m i t o p e n d o w n - l i m i t c l o s e a la rm b uz ze r a u t o m a t i c a l p r e s s u r i e d s y s t e m a u t o m a t i c a l w a t e r d r a i n a g e s y s t e m u p p e r a n d l o w e r l i m i t a l a r m i n g s y s t e m Upper and Lower Limit Calibration For MPM/MDM/580/580A series product s upper and lower limit calibration, please use standard pressure gauge and DC voltage-stablizing power. Connect product sensing part with standard pressure gauge, then power on, provide pressure with pressure gauge, then calibrate upper or lower limit potentiometer with screwdriver till the switch make a Pa sound. Calibration twice could be finished all processes. Order Guide MPM580 Electronic Pressure Switch Control range: MPa MPM580W Electronic Level Switch Control range: 0~1 200mH 2 O MPM580WK Electronic Armoured Level Switch Control range: 0~1 4mH 2 O MDM580 Electronic Control range: 0~35kPa 3.5MPa Code Housing outline The default is column electronic housing A Rectangle electronic housing Range Control range: kpa, MPa or mh 2 O Level switch: 0~1 200mH 2 O, X=actual max.measure range, L=cable length(m) [0~ XmH 2 O]Lm Armoured level switch: 0~1 4mH 2 O, X=actual max.measure range, L=armoured tube length(m) Pressure switch: ~ MPa, X=actual max. measure range Overpressure Measure range Measure Overpressure (kpa) (kpa) (kpa) range(kpa) Different [0~X]kPa ial 0~35kPa ~700kPa or MPa pressur 0~70kPa ~1000kPa e switch 0~100kPa ~2000kPa ~200kPa ~3500kPa ~350kPa Code Relay 1 Single relay Tel: /30832 Fax:30755

5 2 Upper and lower limits two relays Construction material Code Diaphragm Interface Electric housing 22 SS 316L SS Aluminum-alloy 25 Tantalum SS Aluminum-alloy 35 Tantalum Hastelloy Aluminum-alloy Code Others P Flush diaphragm, G1/2 male C 1 C 3 C 5 C 4 H/L G A S B 2 F 1 M male, face type seal G1/2 male M male, waterline seal G1/4 male MDM580/580A Upper and lower limit setting value(actual relay control value) Gauge Absolute Sealed gauge Cable connection(default cable length is 1.5m) Fixed flange MPM580W/580AW/580WK MPM580 A [0~1]MPa 2 22 C 1 (0.6/0.2MPa) the whole spec Order Note 1. We suggest that the relay value should be more than 10%FS to make sure switch stably; 2. Please install tri-valve between measured point and product if the user needs differential pressure switch to make sure the media adding on positive and negative cavites slowly; 3. Flush diaphragm product s pressure range: 0~70kPa 35MPa 4. If the user has special requirement, please feel free to contact our company. Tel: /30832 Fax:30755