3679N

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3679N

3679N

Description

1/4 DIN panel mount pH/ORP controller/transmitter in a waterproof IP-65 enclosure. Features, LCD display, dual SPDT Hi/Lo relays, manual set point adjust and pH calibration via potentiometers. For ORP there is a Zero Adjustment and pH/ORP is selectable via a shorting plug. Output is 4-20 mA current type. Connectors are a spade lug circular connector for pH+. All other connections are tinned leads to terminal blocks. Temperature compensation is a Pt-100 ATC or simulation resistor. Power 115/230V AC.
  • Dual function pH & ORP
  • Orp zero point calibration
  • Isolated 4~20ma output
  • Dual on/off relays
  • Auto temperature compensation
  • Water & corrosion proof case
  • Large led display

Specifications

 

Range

Resolution

Accuracy

pH

0.00 to 14.00 pH

0.01 pH

0.1% ± 1 LSD

ORP

-1999 to 1999 mV

1 mV

0.05% ± 1 LSD

 Outputs

  • Relays output (max.): 5amp. at 115VAC, 2.5 amp. at 230 VAC,resistive lo
  • Relay hysteresis pH/ORP: ±0.1ph/±10 mV
  • Isolated 4~20mA output range: Over imput span
  • Accuracy: 0.1 % of span
  • Isolation voltage: 500VDC max.
  • Load resistance: 500 ohm max.

Controller Input Range

  • Relay outputs: Over imput span
  • Current output pH/ORP: 0.00~14.00ph / 0~1400mV

General

  • Input impedance: >= 10exp(13) ohm
  • Temperature compensation: Auto 0 to 100°C
  • Temperature sensor: Pt-100, a=0.00385
  • pH zero point control: ±2.0 pH
  • ORP zero point control: ±100mV
  • Display: 12.7 mm high LCD
  • Power: 115VAC, 230VAC ±15%, 50/60 hz
  • Weight: 910 gm
  • Dimension: 96mm (l) x 96mm (w) x 171mm (d)
  • Cutout size: 92 mm x 92 mm