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Conductometers

C-3101М
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C-3122
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C-3122.P.I
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   Conductometers / C-3122
 
specifications dimensions connection diagram order code documentation
Conductometer — concentration meter two channel with contact and inductive sensors

C-3122.x,
C-3122.x.I-Ех

   The analyzer is a two-channel measuring device which consists of one or two remote active primary transducers1) (PT) of the specified electrical conductivity (SEC) and a two-channel measuring instrument (MI). The length of the three-wire communication line between the PT and the MI can reach 1000 m.
   The analyzer is designed to measure SEC, temperature and concentration of salts, alkalis and acids solutions.
   The analyzer PT can be equipped with contact or inductive proximity sensors.
   The analyzer provides a digital display of SEC values and temperature, their conversion into proportional values of uniform DC output signals, data exchange via digital interface RS-485, alarming when the measured parameters are out of the specified values, as well as the measurement results archiving and graphical display.

   C-3122.х.I-Ех analyzers (PT in the “I”enclosure) with a marking 1Ex d IIB T6 X have an explosion protection type "flameproof enclosure".
   Accessories:

   Software: Scope of application: heat power industry, chemical, petrochemical and other industries.
Parameter Value
PRIMARY TRANSDUCER
Measuring range2):
    - C-3122.1 (0...1), (0...10), (0...100), (0...1000) μS/cm  
    - C-3122.2 (0...1), (0...10), (0...100), (0...1000) mS/cm  
    - C-3122.К (0...99)%; (0...230) g/l (see order code)  
Basic accuracy:
    - for SEC conductometers in all the ranges 2,0 % (typical value 0,5 %) 
    - for concentration meters (depending on the range) max 5,0 % 
Operating temperature range of measuring liquid
    - contact sensor (+5...+95) °C 3) 
    - inductive sensor SI 315: (+5...+80) ºС ; AM-ES1: (+5...+105) ºС ; AST-37HT: (+5...+150) ºС 
Sensor type flowing or submersible 
Reference temperature for termocompensation4): in accordance with the order 
Thermocompensation range relatively the reference temperature: ±15,0 °С 
Material of contact sensor:
    - default SS321 
    - by order SS904, SS316, titanium ВТ1-00, tantalum 
Material of inductive sensor: SI 315 - PVDF; AM-ES1 - PP; AST-37HT - PEEK 
Material of housing:
    - type D duralumin with polymer coating 
    - type I (with indication) duralumin with polymer coating, glass 
    - type S SS321 
    - type T titanium 
Explosion protection (in the «I» enclosure) 1Ex d IIB Т6 Х   (C-3122.x.I-Ex)
Pressure of the analyzed liquid
    - for the contact sensor max, MPa: 1,6  
    - for the inductive sensor max, MPa SI 315: 0,3; AM-ES1: 0,6; AST-37HT: 0,7 
The flow rate of the liquid for the flowing contact sensor max 100 l/h 
Linear fluid velocity for submersible sensor max 0,5 m/sec 
Viscosity of the analyzed liquid max 0,2 Pa*sec 
Output signal from PT digital impulse current 
Degree of protection against water and dust: IP65 
Resistanse to electromagnetic influence: IV by GOST 32137 (Rus), criterion A 
Climatic version: (-40..+50)°C 
Resistance to mechanical influences in accordance with GOST R 52931 (Rus) V2 
Weight with flowing sensor max 2,5 kg 
MEASURING INSTRUMENT
Quantity of measuring channels 2 
Parameters being measured in every channel SEC and temperature 
Communication line length from the PT to MI max 800 m 
Measuring range (according to analogue output signal) set programmatically 
Indicator type LCD graphics 
Output signals:
    - direct current analogue, proportional to the measuring ranges of SEC and temperature galvanically isolated from the input signal (0...5), (0...20) mА or (4...20) mА (selected programmatically) 
    - digital interface RS-485, Modbus RTU data communications protocol 
    - discrete, programmable, actuation according to SEC or temperature set points four relay with switching contacts, ~240V, 3A 
Archiving time from 4.4 hours to 55 days 
Archiving interval programmable from 1 sec to 5 min 
Power supply ~(100...240) V, (50...60) Hz 
Power consumption max 15 VA 
MI enclosure material:
    - panel mounted design aluminum alloy 
    - wall mounted design ABS plastic 
Climatic version: T=(+5..+50)°C 
Dust and water protection:
    - wall mount MI enclosures IP65 
    - panel mount MI enclosures on the front panel IP54 
Resistance to mechanical influences in accordance with GOST R 52931 (Rus) N2 
Weight: max 1 kg 

1) In C-3122 it is possible to programmatically switch channels to work with the primary converters of the device pH-4121.
2) Upper measuring limit for contact submercible sensors 100 mS/cm..
3) By special order, the contact sensor for C-3122.1 is manufactured for temperature of up to 120 °С (HT). The upper limit of the temperature of the liquid to be analyzed is determined depending on the medium.
4) The reference temperature for termocompencation (°C) and the temperature coefficient (% per °C) are set programmatically.

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