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Contech Engineers, Turbhe
Contech Engineers, Turbhe


Chemical Liquid Analysis

Distributor / Channel Partner of a wide range of products which include jumo aquis 500 ph transmitter controller, standard signals indicator, jumo dtrans as liquid analysis, sensor for free chlorine, immersion fittings and ammonia sensitive sensor.

Jumo Aquis 500 pH Transmitter Controller

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Jumo Aquis 500 pH Transmitter Controller
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We are providing our clients with an exemplary range of Jumo Aquis 500 Ph Transmitter Controllers. Products made available by us, are being developed using premium quality raw material and components at our vendor’ end. Furthermore, these offered products comply with the defined parameters of the industry. Longer service life and performance are key factors owing to that these are being demanded. The offered device is used to measure/control the pH value, the Redox tension or for NH3 (ammonia) concentration measurement. The function can be changed directly at the device. Depending on the value to be measured, single-rod electrodes (pH/Redox single-rod electrodes, gas sensitive probes) or separate versions (glass/metal electrodes with separate reference electrode) can be connected. Temperature measurement is used as the second input value, which can be performed, for instance, with a Pt 100/1000. As such, automatic temperature compensation is possible for the pH value and NH3. The devices are operated via self-explanatory keys and a large LC graphic display. This display allows a good legibility of the measured value. The parameter display in plain text facilitates configuration and supports the user in correctly programming the device.

 

Application areas:

 

  • These are used in the water and sewage water management, industrial, process and sewage water, drinking, well and surface water and leakage monitoring in cooling systems.

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Standard Signals Indicator

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Standard Signals Indicator
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JUMO AQUIS 500 AS - Indicator/Controller for Standard Signals (20.2568). The device is equipped with 2 analog and 1 binary inputs. The first analog input is suitable for the connection of standard or standardized signals (0/4...20mA or 0...10V), which can be provided by any probe. RTD temperature probes Pt100, Pt1000 or NTC/PTC (up to 4kOhm) can be connected to the second analog input. The voltage supply for a 2-wire transmitter is
integrated into the device. The graphical display allows to display the standard signals as numbers or bargraph. The parameter display in plain text ensures that operation is easily understandable and safe. 2 optional relay change-over contacts are used to realize simple switching or alarm functions as well as complex control tasks with P, PI, PD and PID behavior. On request, the device is also available with two analog outputs (0/4...20mA or 0...10V) that can be freely parameterized and scaled.

Features:

  • Display: mg/l, pH, mV, μS/cm etc.
  • Special measuring range can be adjusted with setup program
  • Choice of display mode: large numbers, bargraph or trend display
  • Integrated calibration routines for 1- and 2-point calibration
  • Calibration logbook
  • Language changeover: German, English, French
  • Further languages can be loaded via setup program

Applications
:

  • Display, measurement and control of free chlorine, hydrogen peroxide, peracetic acid, chlorine dioxide, ozone in connection with probes as per TB 20.2630 pH value or Redox potential with 2-wire transmitter as per TB 20.2701
  • Filling levels (hydrostatical) with 2-wire transmitter as per TB 40.2090 or 40.4390
  • Throughflow in connection with the respective transmitters
  • 2 temperature measuring points
  • Probes and transducers with standard signal 0/4...20mA or 0...10V.
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Jumo Dtrans As Liquid Analysis

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Jumo Dtrans As Liquid Analysis
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JUMO dTRANS AS 02 - Compact multichannel transmitter/controller for standard signals, and temperature (202553) The JUMO dTRANS AS 02 is a compact, modular instrument, that has the flexibility (with 3 slots, optional boards, etc.,) to accomplish a wide range of tasks. Pt100 or Pt1000 resistance thermometers, NTC/ PTC or 0(4) to 20 mA and 0 to 10 V standard signals can be connected to the main input of the JUMO dTRANS AS 02. The two binary inputs can be used as the initiators for actions (such as HOLD, keyboard inhibit). The high-contrast, graphic display allows the input signals to be visualized by numbers or as a bar graph. Parameters are displayed in plain text for easily comprehensible and secure operation. The JUMO dTRANS AS 02 can be used as a two-point or three-point controller, a three-point modulating controller, or as a continuous controller. All controller outputs can be configured for P, PI, PD or PID action. The controller software includes parameter set selection and a math module. A setup program is available for convenient configuration via a PC. The instrument can be integrated into a data network by means of an RS422/RS485 or PROFIBUS-DP interface. Screw terminals on the back are used for the electrical connection.

Features:

  • Display: mg/l, pH, mV, μS/cm
  • Display visualization options: large numbers, bar graph or trend display
  • Integrated 1-point and 2-point calibration routines
  • Math and logic module
  • Calibration logbook
  • Integrated washing timer to control the cleaning equipment
  • 12 integrated user languages
  • Setup program features convenient programming and system documentation
  • RS422/RS485 interface (option)
  • PROFIBUS-DP interface (option)
  • Data logger with real-time clock (option)
  • Optional boards can 1be retrofitted

Applications:

  • Displaying, measuring and controlling: free chlorine, hydrogen peroxide, peracetic acid, chlorine dioxide and ozone in conjunction with sensors as per data sheet 202630 the pH value or redox potential with 2-wire transmitters as per data sheet 202701 hydrostatic) liquid levels with 2-wire transmitters (level and pressure measuring instruments) as per data sheet 40.2090 or data sheet 40.4390 flow rate in conjunction with relevant transmitters two temperature measuring points
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Sensor For Free Chlorine

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Sensor For Free Chlorine
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JUMO TecLine Cl2, Sensor for Free Chlorine (202630)
These membrane-covered amperometric sensors are used to measure the concentration of free chlorine (e.g. drinking water, bath water, industrial water, process water, and cooling water).
The sensor for free chlorine can be used to measure the following an organic chlorination agents:

  • Chlorine gas (Cl2), electrolytically generated chlorine, sodium hypochlorite (NaOCl, chlorine bleaching solution), calcium hypochlorite (Ca(OCl)2), or chlorinated lime (Ca(OCl)Cl).
  • The sensors are not suitable for detecting the absence of free chlorine.
  • The integrated electronics of the sensors provide a temperature-compensated current signal of 4 to 20 mA. Calibration is carried out in a downstream device (indicator, controller, recorder, PLC, etc.).
  • The sensors can be connected directly to a suitable display and control device.
  • The display/control device JUMO dTRANS AS 02 (data sheet 202553) or the JUMO AQUIS 500 AS (data sheet 202568) are especially suitable for the combination with these sensors. They provide the voltage required for the supply of the sensors and allow for easy calibration of the measuring system.

Features :

  • Two-electrode principle / three-electrode principle
  • Easy calibration
  • Integrated temperature compensation
  • Proven measuring system

Applications:

  • Drinking water disinfection
  • Swimming pool disinfection.
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Immersion Fittings

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Immersion Fittings
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Product Details:
Probe TypeType K
Cable TypeStraight

Our valued clients can avail from us the best range of Immersion Fittings in different specifications.These offered fittings are manufactured by making use of high-grade basic material and components that ensure longer service life and excellent performance. Besides, these equipments conform to the illustrated parameters of the industry. These immersion fittings are intended to receive electro-chemical measured value transducers (pH and Redox electrodes, glass conductivity measuring cells and compensation thermometers) with Pg 13.5 internal thread and 120 mm installation length. The fittings are installed in open conduits/channels and tanks/vessels. The offered products protect the installed probe from breakage and permit measurements in different immersion depths. Options and accessories allow the fittings to be adapted to the application conditions. Fitting types for 1 to 3 measured value transducers are available with us. The standard versions come with two pipe clamps for wall mounting, however, optionally available slide-type flanges also allow installation in vessel lids and similar.

 

Features

 

  • Installation of 120 x 12 mm probes possible
  • For 1 and 3 probes with Pg13.5 connection
  • Resistant to chemicals
  • Perfect probe protection

 

Application:

 

  • Suitable for installation in tanks/vessels
  • Open conduits/channels
  • Waste water treatment
  • Process technology
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Ammonia Sensitive Sensor

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Ammonia Sensitive Sensor
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We have in store an extensive range of Ammonia Sensitive Sensors for our valued clients.These products are manufactured by making use of supreme quality raw material and component that ensure longer service and accuracy. Moreover, keeping in mind divergent demands of the clients we have made the offered range available in different specifications. This offered probe is used to measure ammonia (NH3) in aqueous solutions. In an aqueous solution, ammonia is in a pH dependent balance with ammonia ions (NH4+-Ionen). If the NH4+ ions are transformed into ammonia by the addition of a caustic solution, the probe will record the resulting ammonia. NH4+ ions as such will not be recorded. The ammonia sensor comprises a pH glass electrode and a reference electrode. Both electrodes are immersed in an electrolyte. The electrolyte is separated from the medium to be measured by a hydrophobic gas permeable membrane. The pH value of the electrolyte changes by NH3 gas permeating the hydrophobic membrane. This local change of the pH value is measured by the integrated pH electronic at a resistance. The advantage of the offered ammonia probe is the availability of pre-fabricated membrane caps. Manual attachment of the sensitive membrane is not required. The membrane cap of the probe is easily and quickly replaced as a complete unit.

 

Features:

 

  • Monitoring ammonia leakage in refrigerating plants
  • Applicable for a medium temperature of at least -8 °C
  • Special PTFE membrane
  • Easy replacement of membrane

 

Applications:

 

Refrigeration systems such as:

 

  • Ice rinks
  • Cold storage
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Contech Engineers, Turbhe
Yogesh Joshi
C Wing, 107 A, Punit Industrial Premises, TTC, M. I. D. C. Thane Belapur Road, Turbhe,
Navi Mumbai - 400705, Maharashtra, India
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