pH,ORP,Controllers,Monitors,Myron L,Company

pH/ORP Controllers and Monitors
from Myron L Company
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  pH/ORP Controllers and Monitors from Myron L Company

The advanced "isolated" circuitry of the 720 Series II pH/ORP Monitor/controllers guarantees accurate and reliable measurements completely eliminating ground-loop and noise issues.

The unique sensor preamp allows for longer distances between the sensor and the Monitor/controller without the loss of accuracy or reliability.

Applications

  • Reverse Osmosis
  • Process Control
  • Seawater Desalination
  • Waste Treatment
  • Food Processing
  • Plating
  • Power Plants
  • Laboratories
  • Printing
  • Boilers
  • Cooling Towers
  • Potable Water
  • Waste Water Treatment
  • Swimming Pools & Spas
  • Paper & Pulp
  • Bleach Manufacturing
  • Reduction of Chromate Waste
  • Environmental

All Myron L pH Monitor/controllers feature a highly refined and precise Temperature Compensation circuit. This feature perfectly matches the NERNST equation correcting the displayed reading to 25ºC. The TC may be disabled to conform with USP 25.
Built-in electronic calibration allows for fast quality checks without buffers. (Note: for maximum system accuracy buffers are recommended).

A push-to-test button makes set point checks easy, while the internal alarm set discourages unauthorized adjustments.

Standard on all controller models is a heavy-duty 10 amp output relay, operating on either increasing or decreasing readings. Bright green/red LED's indicate above/below set point readings.

All 720 Series II models feature an IPA64/NEMA 3 splash & corrosion-proof rated enclosure. Compact in size, 6 x 4.8 inches (152 x 122mm), the 720 Series II models are suitable for panel, bench or surface mounting.

Features

  • pH 0-14 or ORP ± 2000 mV
  • Choice of analog meter or 3 1/2 digit LCD
  • Advanced "Isolated" circuitry
  • Automatic temperature compensation to 25°C (NERNST equation)
  • Isolated 0-10 VDC recorder output - standard
  • IP64/NEMA 3 splash & corrosion proof enclosure
  • Built-in electronic calibration
  • Single setpoint/alarm
  • Adjustable setpoint hysteresis
  • 24VDC Solid state output
  • 10 amp relay operates on choice of increasing or decreasing set point
  • Push-to-test set point check
  • Internal set point discourages unauthorized adjustment
  • Selectable 115/230 VAC
  • Optional 24VDC and 24VAC available
  • Unique, easily installed sensors
  • CE Approved
  • Heavy duty "F" model sensors may be installed in ANY direction, including inverted

Sensors:

These highly accurate sensors utilize a preamplifier to ensure stability over longer distances and to eliminate potential noise problems thereby ensuring accurate repeatable readings. In addition, these reliable sensors feature an integral temperature sensor to ensure accurate and rapid automatic temperature compensation.

Several choices of sensors are available, in 1/2" or 3/4" MNPT, depending on the demands of the application. The basic pH sensor utilizes the standard round glass electrode with a single reference junction. The basic ORP sensor utilizes a Platinum electrode with a single reference junction.

 

 

 

Specifications

  • Temperature Compensation: Integral temperature sensor provides automatic TC to 25ºC between 32-212ºF (0-100ºC).
  • Pressure/Temp Limits: P72S: intermittent use up to 50 psi (690kPa) 212ºF (100ºC). High temp models available, see sensor selection guide.
  • Cable: 5 wire, 24 ga. shielded, 10' (3 meters) standard. 25' and 100' (8 and 30 meter) lengths available.
  • Material: CPVC body standard.
  • Dimensions: P72S typical: overall length 61/2" (165mm), body 5" (127mm), electrode length 3/4" (19mm).


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