6312PTB

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6312PTB

6312PTB

  • Graphic LCD with manual backlight displays pH, temperature, relay status, and transmitter current mA output.
  • Automatic buffer recognition of US and NIST buffer sets. Calibration data is stored in memory and is ready for use on power up.
  • Two sets of isolated and reversible 4-20 mA current output for pH and temperature allows it to be used as a proportional output.
  • 4 programmable on/off relays: 3 for pH and 1 for temperature.
  • RS-485 output for remote access allows multiple units to be connected and ganged together.
  • Password protection.
  • IP65.

Specifications

 

Range

Resolution

Accuracy

pH

-2.00 to 16.00ph

0.01pH

±0.01pH±1 digit

Temperature

-10.0 to 120.0°C

0.1°C

±0.2°C

General

  • pH Buffer Recognition (4.01 ,7.00 ,10.01) or (4.00,6,86,9.18), user selectable
  • pH Electrode Offset Recognition: ±100mV at pH 7.00 /-91.7mV to +108,3mV at ph 6.86
  • pH Electrode Slope Recognition: ±30% at pH 4,00 , 4,01 ,9.18 or 10.01
  • Temperature Compensation: Auto -10.0 to 120.0°C(Thermistor , 10K ohm at 25.0 °C)
  • Input Impedance: >10(exp)13 ohms
  • Output : Two current outputs for conductivity and temperature
  • Current Output Range: 4 to 20 mA(isolated),programmable span
  • Current Output Scale User programmable ,linear
  • Maximum Load: 500 ohm
  • Isolation Voltage: 500V DC
  • Control Type: 4 ON/OFF controls
  • Relay Output: 5A at 115V AC or 2.5A at 220V AC, resistive load only
  • Display 128 x 64 graphical LCD with backlight
  • Security 4-dight password
  • Power :115 V AC or 230V AC at 50/60 HZ factory pre-set
  • Ambient Temperature Range: From 0 to 50 °C
  • Weight/Case: 950 grams / IP 65 ,1/4 DIN case, 148mm depth