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47                                               

PH  METER  (PO650)*Panel Mounted

FEATURES

  • PH/Time  proportionate controlling.
  • Individual set point based relay operation.
  • Sensor provided with proper housing  & tee ensuring
    rigid handling of the sensor.
  • Alarm  acknowledgement  facility.
  • Unique  IP65 enclosure.
  • Panel/field mounted.
  • On line measurement.
  • 4-20mA  out put from meter for your other applications.
  • Traceability to ERTL/NABL standards.
  • Programmable control delay.
  • Easy calibration using front keys.


    
  *Field Mounted Option Available in standard blue box
TECHNICAL SPECIFICATIONS  
   
Measuring   Range

0.00 to 14.00

Parameter  Sampling  Rate:

<2 seconds

Resolution

0.01

Accuracy

+/-0.5% /3 VA

Linearity

0.1%

Supply /Power

230 VAC +/- 15% /3 VAC

Alarms /Control  Relays:

2 nos  5A @ 230 VAC

Display:

4 digit  7 segment  LED

Enclosure:

ABS  Weather  Proof

Calibration/set  point

Using  front  panel  keypad

Physical  dimensions:

96 x 96 x150mm
92 x 92mm (panel  cut  out)

Temperature

0-100°C

Terminals

Sensor  BNC  Mains 3Core mains  chord  through  gland.

Relay Output

- 3 core 1mtr. Through  glamd.
- (optional) screwed  terminals  on back

Current output

4-20mA  optional

Min.water conductivity

5 micros / cm  (lower cond  sensors  optional)

Sensor MOC

Epoxy body with  3mtr. Teflon  cable.

 
   

METER OPERATION MODES

The meter can be operated in three modes. (Based on relay operation)

Control Mode
In this mode, the relay gets energized and will be time proportionately energized between the set value and the hysteresis.

Alarm Mode
In this mode ,the relay will remain  energized as long as it is not acknowledged.

Auto Reset Mode
In this mode, the relay gets automatically reset within 2 seconds.

APPLICATIONS AND USES of PH METER

  • On line PH indication.
  • High & low PH set  point.
  • Automatic  PH correction  system  with  dosing.
  • Water  treatment  plants  DM plants / RO plant.
  • Boiler  PH  Correction.
  • ETP / STP PH  Correction.