SR551 PH/ mv/ Ion Concentration/ Conductivity/ Dissolved Oxygen Meter

Measuring Parameters: PH, mV, ion concentration, conductivity, resistivity, TDS, salinity, Dissolved Oxygen and Temperature Features and Applications: - Multi-parameter meter contains more than ten kinds of measuring parameters, is suitable for high accuracy measurement, and excellent product for both good performance and low cost. - DO measuring mode has automatic compensation for temperature, salinity and air pressure. - PH measure mode for high purified water and ammonia added purified water can be setup, suitable for use in electric power and petrifaction industry. - Inside setup with function of high purified water non-linearity automatic temperature compensation, suitable for accurate conductivity measurement for high purified water. - There are four kinds of ion concentration measuring units: pX, mol/ L, mg/ L and ppm. - Equips model 2503 PH electrode, suitable for measure the weaker ionic strength, feculent and colloidal solution Working Condition: Environment temperature 5 to 35 º C( 0.01 grade) 15 to 30 º C( 0.001 grade) Environmental humidity d75% IP rating IP54 Dustproof and waterproof What is included: 1. 201T-M Plastic PH/ ATC three-in-one combination electrode 2. 2503-C glass PH combination electrode 3. SR500temperature electrode 4. 2401-M glass conductivity electrode ( K= 1, ATC) 5. DO500 DO electrode 6. 6213 double-junction reference electrode 7. 901intelligent stirrer 8. 602Flexible electrode holder 9. RS-232 communication software Technical Parameters: PH: Measuring range ( -1.999 to 19.999) PH Resolution 0.1/ 0.01/ 0.001 PH Accuracy Meter: ± 0.002 PH, connect meter with electrode: ± 0.01PH Input current d1× 10-12 A Input impendance e3× 1012 © Stability ± 0.002 PH/ 3h Temp. compensation range ( 0 to 100) º C( automatic or manual) mV: Measuring range ( mV/ ORP/ EH) -1999.9 mV to 0 to 1999.9mV Resolution 0.1mV Accuracy ± 0.03% FS Ion Concentration: Measuring range 0.00 to 14.00pX Display unit pX, mol/ L, mg/ L, ppm Accuracy Meter: ± 0.5 % reading( monovalent) , ± 1.0 % reading ( bivalent) Temp. compensation range 0 to 60 º C( automatic or manual) Conductivity Measuring range Conductivity: ( 0.00 to 20.00) ¼ S/ cm ( 20.0 to 200.0) ¼ S/ cm ( 200 to 2000) ¼ S/ cm ( 2.00 to 20.00) mS/ cm ( 20.0 to 200.0) mS/ cm ( 200 to 2000) mS/ cm( K= 10) Resistivity: ( 0 to 100) M© • cm TDS: ( 0 to 100) g/ L Salinity: ( 0 to 100) ppt Resolution 0.01/ 0.1/ 1¼ S/ cm 0.01/ 0.1/ 1 mS/ cm Accuracy Meter: ± 0.5% FS, connect meter with electrode: ± 0.80% FS Temp. compensation range ( 0 to 50) º C( automatic) Electrode constant 0.1 / 0.5 / 1 / 5 / 10 / 50 / 100 cm-1 Reference temperature 25 º C, 20 º Cand 18 º C Dissolved Oxygen: Measuring range ( 0 to 40.00) mg/ L( ppm) ( 0 to 200.0) % Resolution 0.1/ 0.01 mg/ L( ppm) 1/ 0.1% Accuracy Meter: ± 0.10 mg/ L, connect meter with electrode: ± 0.40 mg/ L Response time d30 s ( 25 º C, 90% response Residual current d0.1 mg/ L Temp. compensation range ( 0 to 45) º C( automatic) Salinity compensation range ( 0 to 45) ppt( automatic) Air pressure compensation range ( 80 to 105) kPa( automatic) Automatic calibration Air saturated by water; water saturated by air Electrode type Polarogram type Temperature: Measuring range -10 º Cto 110 º C Resolution 0.1 º C Accuracy 5 to 60 º C range: ± 0.4 º C other range: ± 0.8 º C Other Technical Parameters: Data storage 300 groups Storage content Measuring value series number, measuring value, temperature, ATC or MTC state, measuring date and time Power DC9V/ 300mA Communication connector RS-232 Size and weight 160 x 190 x 70mm/ 880g Quality and safety certification ISO9001: 2000, CE and CMC