The main features Dual channel conductivity meter, three-channel conductivity meter, four-channel conductivity meter, customers can choose any, between various channels are independent of each other, each other interference, can meet four conductance electrode at the same time; Chinese LCD display, Chinese menu type operation. Microcomputerized: using high performance CPU chip, high precision AD conversion technology and SMT technology, complete multi-parameter measurement, temperature compensation, automatic conversion range, self-checking, high precision and good repeatability. Phase sensitive detection design: eliminate the influence of wire for measurement. 25 ℃ conversion: temperature compensation automatic/manual input measurement. Waterproof and dustproof design: the degree of protection IP65, suitable for outdoor use. Isolation of 4 ~ 20 mA current output;Current corresponding conductivity value of output, lower limit can be set freely. Manual current source: convenient test records and detection device. Industrial control watchdog: make sure the instrument does not crash. Password management: the parameter Settings are password protected and maintenance. Technical indicators 1. Standard: JB/T 6855-93 "industrial electric conductivity meter 2, electrical conductivity measurement range: 0.01 ~ 20 mu S/cm (0.01 electrode);0.1 ~ 200 mu S/cm (0.1 electrode); 1.0 ~ 2000 mu S/cm (1.0 electrode);10 to 20000 mu S/cm (10.0 electrode); 3, the electronic unit basic error: conductivity: ±0.5%FS, temperature: plus or minus 0.3 ℃ (0 ~ 60 ℃). 4, automatic temperature compensation scope: 0 ~ 99.9 ℃, 25 ℃ as the reference temperature; 5, the water samples to be tested: 0 ~ 99.9 ℃, 0.6 MPa; 6 basic error, instrument, electrical conductivity, ±1.0%FS, temperature: ±0.3℃(0~60℃);7 , electronic automatic temperature compensation error: plus or minus 0.5% FS. 8, electronic repeatability error: plus or minus 0.2% FS + 1 word; 9, the electronic unit stability: plus or minus 0.2% FS + 1 word / 24 h; 10, current isolation output: 4 ~ 20 mA (load < 750 omega < >); 11, the output current error: plus or minus 1% or less FS. 12, the electronic unit environmental temperature error: : ≤±0.5%FS 13, electronic power supply voltage affect error: ≤±0.3%FS;. 14, instrument channel number two to four channels to choose from, independent among channels.When ordering, please indicate the number of channels, and not withal configuration according to the two channels. 15, the channels of data measured at the same time, with the screen, without switching display; 16, power supply: AC220V±22V,50Hz±1Hz Optional DC24±2.4V,, 1 a power supply; 17, protection level: IP65; 18, appearance size: 146 (long) x 146 (width) x 108 mm (deep);Hole size: 138 * 138 mm; 19, weight: 0.8 kg; 20, working conditions: temperature 0 ~ 60 ℃ relative humidity < > 85%; 21, with 0.01, 0.1, 1.0, 10.0, four kinds of conductive electrode.Please specify when ordering electrode constant, does not indicate the DDJ - 0.01 configuration. 22, secondary table installation method: opening type/wall/frame pole loading/pipeline 23, electrode installation: circulation type submersible/flange/pipeline Standard quadratic : A set DDG - 2080, two electrodes
The main features Dual channel conductivity meter, three-channel conductivity meter, four-channel conductivity meter, customers can choose any, between various channels are independent of each other, each other interference, can meet four conductance electrode at the same time; Chinese LCD display, Chinese menu type operation. Microcomputerized: using high performance CPU chip, high precision AD conversion technology and SMT technology, complete multi-parameter measurement, temperature compensation, automatic conversion range, self-checking, high precision and good repeatability.
