Specifications for Signet 5700 pH /ORP controller

Range

  • pH: O to 14, optically isolated
  • Temp: 5 to 248o F (however most probes are 50 to 185o F)
  • ORP: -1,000 to +1,000 mV's, optically isolated

Alarm Contacts

  • Two SPDT relays: 5A @ 30 VDC, 5A @ 125 VAC max., or 3A @ 250 VAC max.
  • Hi/Low on - off function programmable with adjustable hysteresis or
    smallnew.gif (926 bytes)program for High and Low pulse signals to drive chemical metering pumps

Display

  • Analog: Slide-in dial reversible O to 14 pH or +/- 1000 mV's
  • Digital: Back lit 2X16 character alphanumeric LCD

Current Output

  • 4 to 20 mA, non-isolated, internally powered Loop impedance: 350R max. @ 12V, 950W max. @ 24V

Accuracy: +/- 1%

Operating Conditions (environment for the instrument)

  • Operating Temperature: 14 to 131oF
  • Relative humidity: O to 95%, non-condensing +/- 2% of scale

  pH sensors

ORP sensors

Power Requirements

  • 12 to 24 VAC or 12 to 24 VDC, unregulated, 50-60 Hz, 10 W Max.

Materials

  • Enclosure: ABS Plastic, 3.5" x 3.5" x 3" deep (1/4 DIN), NEMA 4X/IP65
  • Keypad: Silicone rubber Panel and case gasket: Neoprene
  • Window: Hard-coated Polycarbonate

Quality Standards

  • CE, CSA, UL

Accessories:

  • Splashproof back cover kit
  • Mounting bracket
  • Liquid Tight Connector Kit
  • Retrofit Kit - used cutout for older Signet units

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