Specifications

• 	RANGE	RESOLUTION	ACCURACY
  pH	-2.00 to 16.00 pH	0.01pH	± 0.01pH±1 digit
  Dissolved oxygen(ppm/%)	0.00 to 60.00ppm / 0.0 to 500.0%	0.01ppm / 0.1%	± 0.2 %FS
  Temp	-10.0 to 120.0 °C	0.1 °C	± 0.2 °C

  General

  • pH Buffer Recognition: US(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 /-97.7mV to +108.3mV at pH 6.86
  • pH Electrode Slope Recognition: ±30% at pH 4.00 , 4.01, 9.18 or 10.01
  • pH input impedance: Auto /manual -5.0 to 125.0 °C
  • Input impedance : >10(exp)13 ohms
  • Salinity Compensation: Manual 0.0 to 49.9 ppt
  • Pressure Compensation: Manual 600 to 1100mBar
  • Temperature Compensation : Auto 0 to 80 °C, 22K ohm NTC
  • Output Select: User selectable pH or Dissolved oxygen
  • Current Output Range: 4 to 20 mA(isolated),programmable span
  • Current Output Scale User programmable ,linear or log
  • Maximum Load: 500 ohm
  • Isolation VOltage: 500V DC
  • Control Type: 5 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
  • Ambient Temperature Range: From 0 to 50 °C
  • Weight/Case: 950 grams / IP 65 ,1/4 DIN case, 148mm depth