Specifications

• 	RANGE	RESOLUTION	ACCURACY
  pH	-2.00 to 16.00ph	0.01pH	±0.01%±1 digit
  mV(absolute /relative)	-2500 to +2500mV /-6499 to +6499mV	1mV /1mV	±0.01%±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 NIST (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 /Resisotr,Balco 3K ohm at /RTD, PT-1000 )
  • Input Impedance: >10(exp)13 ohms
  • Input Select: User selectable pH or ORP
  • 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: 2 ON/OFF controls
  • Relay Output: 5A at 115V AC or 2.5A at 220V AC, resistive load only
  • Security: 4-dight password
  • Power :115 V AC or 230V AC at 50/60 HZ
  • Ambient Temperature Range: From 0 to 50 °C
  • Weight/Case: 940 grams / IP 65 ,1/4 DIN case, 148mm depth