Specifications

• 	RANGE	RESOLUTION	ACCURACY
  pH	-2.00 to 16.00	0.01pH	0.1% ± 1 LSD
  ORP(Absolute)	-2500 to 2500mV	1mV	±0.1% rdg ± 1mV
  ORP(Relative)	-6499 to 6499mV	1mV	±0.1% rdg ± 1mV
  Temp.	-10.0 to 120 °C	0.1°C	± 0.3°C

• pH

  • Temperature compensation range: -10.0 to 120.0 °C
  • Buffer recognition: 4.01,7, 10.01 / 4.00,6.86, 9.18
  • Buffer temperature range: 0 to 60.0 °C
  • Electrode slope compensation: ±30% of ideal slope
  • Electrode offset compensation: ±100 mV
  • Input impedance: Greater than 10 exp(13) ohms
  • Calibration auto end point sensing: Yes

  Output Relays

  • pH: 2programmable high or 2 low
  • ORP: 2programmable high or 2 low
  • Temperature: 1programmable high or 1 low
  • Control type: On/off
  • Relay output (resistive load only): 5amps at 115 VAC 2.5 amps at 230 VAC
  • Relay set point hysteresis: User programmable

  Current Output

  • Type: Isolated 4 to 20 mA
  • Range: Selectable zero, & span
  • Accuracy: ±0.02mA
  • Isolated voltage: 500 VDC
  • Maximum load: 500 w

  General

  • ATC sensor: Thermistor 10kiloohms at 25 c
  • Security protection: 4digit password
  • Keypad: Audio feedbackup
  • Communication: RS-485
  • Pre-amplifier voltage: ±5 VDC,20mA max output
  • Power source: 115/230 VAC, 50/60hz
  • Dimensions: 1/4 DIN, depth 148mm
  • Weight: 950 gm