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The PHCN-370/380 Series of pH, Conductivity or ORP recorders and controllers provides a reliable method of monitoring, controlling and recording pH and conductivity for various industrial and chemical processes. Features impressive list of standard features which includes NEMA 4X enclosure, digital display, paper or paperless datalogging, relay output and manual or automatic temperature compensation.
The PHCN-370 series features a inkless pressure sensitive paper recorder, while the PHCN-380 series is provided with a paperless recorder. The PHCN-370 series pressure sensitive recorder and controller will record unto 30 days of process data. Choose between either a single or dual parameter monitoring system of pH, Conductivity or ORP.
The PHCN-380 series paperless recorder and controller is supplied standard with RS-232C and software to connect to an IBM PC or compatible computer or printer. Also available is an optional 128K memory card, memory card reader and software that allows the data card to be read by IBM PC or compatible computers.
The pH, conductivity and ORP controllers are a new microprocessor based design featuring manual or automatic temperature compensation, two mechanical relays for on-off control, digital display of either pH, conductivity, ORP or temperature, calibration and parameter setpoints are programmable through the front keypad.
COMMON SPECIFICATION:
Control Outputs: 2 SPDT 6 amp relays, programmable for active above or below setpoint latch or non-latching
Power: 115 Vac 50/60 Hz; 230 Vac optional
pH CONTROLLER:
Range: pH 0-14; Temperature 0-100°C
Resolution: pH 0.01; Temperature 0.1°C
Accuracy: pH 0.01; Temperature: ±0.1°C
Display: 4 Digit red LED 13.7 mm (0.54")
Temperature Compensation: Manual or automatic 0-100°C using PT100 ohm RTD
Connector: pH-BNC; Temperature-Miniature phone plug or terminal strip
ORP CONTROLLER:
Range: ±2 Vdc
Display: 4 Digit red LED 13.7 mm (0.54")
Resolution: 0.1, 0.1 mV
Accuracy: 0.1 mV @25°C
Decimal Point: 2 position autoranging
CONDUCTIVITY CONTROLLER:
Range: Conductivity: 1 µSC/cm - 1S/cm autoranging decimal point dependent; Temperature: -10 to +130° (26 to 266°F)
Display: 4 Digit green LED 13.7 mm (0.54")
Resolution: Conductivity: 1µS; Temperature: 0.1°
Accuracy: Conductivity: 1% of reading; Temperature: 0.5°C
Repeatability: 1µS
Units of Measure: Conductivity µS or mS dissolved solids TPM, PPM, Temperature °C or °F
Cell Constant: 0.01+049.99 user programmable
Temperature Compensation: Manual, Automatic using 100 ohm platinum RTD DIN
PAPER RECORDER:
Range: 2-12 pH
Resolution: ±0.2 pH/lateral chart deviation
Accuracy: ±0.2 pH
Temperature Compensation: Manual supplied with fixed resistor. Automatic
1000 (omega) platinum RTD
PAPERLESS RECORDER:
Display: 4 digit (-999-9999)
Accuracy: 0.5% of span, 8 bit resolution
Serial Ports: RS-232C continuous output
Software: Supplied with card reader
Optional Card Reader: Allows data cards to be read by into IBM PC compatible computer
Sample Rate: User programmable to 100 sample/sec.
Recording Method: User programmable avg/peak/valley/normal
Display Type: Twisted nematic LCD dot matrix panel 180 x 60 pixels
Viewing Area: 2.9" x 1.5" (74 x 38 mm) backlighting standard
TO ORDER: (Specify Model Number)
| Model No. | Price | Description |
| PHCN-370-(*) | $995 | Single input monitor and paper recorder |
| PHCN-371-(*) | $1450 | Single input controller and paper recorder |
| PHCN-372-(*)-(*) | $1950 | Two controllers and two channel paper recorder |
| PHCN-381-(*) | $1975 | Single controller and paperless recorder |
| PHCN-382-(*)-(*) | $2575 | Two controller and two channel paperless recorder |
| PHCN-55 | $995 | Battery powered pH recorder |
* Specify input code: "PH" (pH controller), "CD" (conductivity controller), "ORP" (ORP controller)
Ordering Example: PHCN-372-PH-CN two channel pH and conductivity controller/recorder, $1950.
Note: for 230 Vac power add "-230" suffix to model number, no additional charge.
INPUT TYPE:
| Input Code | Range | Description |
| PH | 0-14 pH; 0-100°C | pH controller with temperature compensation |
| CD | 1 µSC/cm - 1S/cm autoranging | Conductivity controller with temperature compensation |
| ORP | ±2 Vdc | ORP controller |
OUTPUT OPTIONS for PHCN-380 SERIES:
| Input Code | Description | Price |
| -CR | 128K memory card, memory card reader and software | $398 |
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