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RH520 PAPERLESS HUMIDITY/TEMPERATURE CHART RECORDERS

Paperless Chart Recorders with Graphical and Di

FEATURES: Paperless datalogging Graphical and digital display 49,000 Reading internal memory Total monitoring and alarm system RS-232 PC interface Applications include monitoring and recording humidity and temperature in a laboratory or clean ... more

 WTW On-Line Dissolved Oxygen Measurement
Home : Our Principals : WTW : WTW On-line Instrument : WTW Parameter Section : WTW On-Line Dissolved Oxygen Measurement

TriOxmatic® Technical Data

To optimally satisfy the various requirements for a wide range of wastewater and water applications, the TriOxmatic® Series offers the choice of several D.O. sensors with different operating specifications. All models are based on the potentiostatic 3-electrode principle (except TriOxmatic® 700 IN) and have the same reliability and precision ; however, their resolutions, response times and required flow rates are adapted to suit different applications.

Analog Digital
TriOxmatic® 700/700 IN

The standard Model TriOxmatic® 700 is rugged dissolved oxygen sensor with a very durable 50 micron thick hydrophobic membrane, a minimal flow rate of 0.5 cm/sec and a medium response time of less than 180 sec. With these features, this membrane sensor is ideally suited for any D.O. measurement in biological purification stages of of municipal waste water treatment plants; e.g. control of the oxygeneration. The response of the sensor prevents signal disturbances due to rising air bubbles thus eliminating false readings and improved stability. This is specially important for measurements in aeration tanks.

TriOxmatic® 690

This cost effective D.O. sensor offers the same specifications and features as the Model TriOxmatic® 700, except it does not have the sensor monitoring function. This unit is primarily designed for conventional D.O. measurements, where  a continuous membrane check is not needed; e.g. general applications in water quality analysis.

TriOxmatic® 701

Equipped with a special 25 micron thick membrane, the Model TriOxmatic® 701 features an enhanced resolution and a  faster response time. This sensor is ideally suited for low level concentrations applications; e.g. measurements of residual oxygen in the denitrification of biological sewerage treatment.

TriOxmatic® 700 IQ

Universal oxygen sensor for measuring and controlling oxygen input in biological sewage treatment processes in wastewater treatment plants. Membrane, flow rate and response times equivalent to TriOxmatic® 700, however as digital sensor with calibration value memory for connection to IQ Sensor Net.

TriOxmatic® 701 IQ

O2 sensor with increased resolution and improved response times. Technical specifications equivalent to TriOxmatic® 701, however as digital sensor with calibration value memory for connection to IQ Sensor Net.

TriOxmatic® 702 IQ

Providing similar performance data as the TriOxmatic® 701, the 702 IQ model is specifically designed for trace level measurements in the ppb range. This sensor is ideally suited for use in ultrapure water applications; e.g. monitoring of boiler feed water or drinking water purification. The applied digital technology permits integrated storage of calibration values and simple connection to IQ Sensor Net.

 

Technical Data

TriOxmatic®

Analog

Digital

690/700/700 IN 701 700 IQ 701 IQ 702IQ
Measuring Ranges (25 °C)
O2-Concentration 0.0 ... 60.0 mg/l 0.00 ... 20.00 mg/l 0.0 ... 60.0 mg/l 0.00 ... 20.0 mg/l 0 ... 2000 µg/l
  0.0 ... 60.0 mg/l   0.0 ... 60.0 mg/l 0.00 ... 10.00 mg/l
O2-Saturation 0 ... 600% 0.0 ... 200.0% 0 ... 600% 0.0 ... 200.0% 0 ... 110%
  0 ... 600%   0 ... 600 %  
(depending upon the selected monitor model)  
Resolution
O2-Concentration 0.1 mg/l 0.01 mg/l 0.1 mg/l 0.01 mg/l 0.001 mg/l
  0.1 mg/l   0.1 mg/l 0.01 mg/l
O2-Saturation 1% 0.1% 1% 0.1 % 0.1%
  1%   1 %  
Response Time at 25 °C t90: 180 s t90: 30 s t90: 180 S t90: 30 s t90: 30 s
  t90: 90 s   t90: 90 s t90: 110 s
Minimum Flow Rate 0.05 m/s 0.23 m/s 0.05 m/s 0.23 m/s 0.3 m/s
SensCheck SensLeck (700/700IN) SensLeck SensLeck SensLeck -
  SensReg (700) SensReg SensReg SensReg SensReg
Signal Output Analog Analog Digital Digital Digital
Sensor Memory for Calibration values - - Yes Yes Yes
Power Consumtion - - 0.2 Watt 0.2 Watt 0.2 Watt
Temp. Measurement Integrated NTC probe, -5 °C ... +50 °C Integrated NTC probe, -5 °C ... +60 °C
Temp. Compensation 0 °C ... +50 °C -5 °C ... +60 °C
Maximum Pressure 10 bar 10 bar
Ambient Conditions Operating temperature: 0 °C ... +50 °C Operating temperature: 0 °C ... +60 °C
Storage temperature: -5 °C ... +50 °C Storage temperature: -5 °C ... +65 °C
Electrical Connections Integrated PU connecting cable with fitted 7-pole screw connector (IP 65) 2-wire shielded cable with quick fasterner to sensor
Input Power Powered by WTW D.O. monitor Powered by IQ Sensor Net
Transient Voltage Yes Yes
EMI/RFI Conformance EN 61326 class B, FCC Class A EN 61326 Class B, FCC Class A
Certification CE, CUL, UL CE, UL, CAN/CSA
Mechanical Membrane head assembly, locking cap: P.O.M.
Sensor body: 316 Ti stainless steel
Protection rating: IP 68
Membrane head assembly, locking cap: P.O.M.
Sensor body: 316 Ti stainless steel
Protection rating: IP 68
Dimensions 196 x 40 mm 360 x 40 mm, incl. connection thread of SACIQ sensor connection cable
Weight 660 g 660 g, without sensor connection cable

Ordering Information

Description Order No.
TriOxmatic® 700-7 : D.O. sensor for water/wastewater ; oxygenation determination ; cable length 7 m 201 670
TriOxmatic® 690-7 : same as model 700-7, but without SensCheck function ; cable length 7 m 201 690
TriOxmatic® 701-7 : D.O. sensor for water/wastewater ; oxygenation/residual oxygen determination ; cable length 7 m 201 678
TriOxmatic® 700 IN -7 : D.O. sensor for highly polluted industrial wastewater ; cable length 7 m 201 695
TriOxmatic® 700 IQ : D.O. sensor for water/wastewater ; oxygenation determination 201 640
TriOxmatic® 701 IQ : D.O. sensor for water/wastewater ; oxygenation/residual oxygen determination 201 644
TriOxmatic® 702 IQ : D.O. sensor, ppb measuring range ; ultrapure water/boiler feedwater 201 646
SACIQ-7,0  : Sensor connection cable for all IQ sensors, cable length 7 m 480 042
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Next:
On-Line Dissolved Oxygen Measurement
TriOxmatic®

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PT. PROLABMAS MURNI SWADAYA
Sentra Niaga Puri Indah Blok T3-10
Jakarta 11610 - Indonesia
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