Specifications

• Calibration:
  pH with calibration editing option, relative mV (RmV), ORP, conductivity with calibration editing option and temperature
• Memory:
  Non-volatile memory preserves data log, calibration log, and meter settings
• No. of channels:
  2
• Temperature range:
  –5 to 105°C (22 to 221°F)
• Description:
  Orion™ Star™ A325 pH/conductivity portable meter kit, with ROSS Ultra Triode low maintenance gel pH/ATC electrode and DuraProbe 4-cell conductivity sensor
• Environmentally Preferable:
• Operating temperature range:
  5…45 °C (41…113 °F)
• Temperature accuracy:
  ±0.1°C
• Temperature resolution:
  0.1°C, 0.1°F
• Resistivity resolution:
  1 ohm or 0.1 meg-ohm, auto ranging
• Battery life:
  800 h
• Input:
  BNC (pH or ORP electrode), pin-tip (reference electrode), 8 pin MiniDIN (conductivity sensor with built-in temperature or ATC temperature probe)
• IP rating:
  IP-67
• Alarm:
  High/low limit alarm, calibration due alarm
• Calibration points:
  1 point relative mV (RmV) mode; 1 point ORP mode; up to 5 points Conductivity mode; 1 to 5 points pH mode
• Conductivity accuracy:
  0.5% of reading ±1 digit greater than 3 μS; 0.5% of reading ±0.01 μS less/equal than 3 μS
• Conductivity cell constant:
  0.001 - 199.9 cm⁻¹
• Conductivity range:
  0.001 µS/cm - 3000 mS/cm
• Conductivity resolution:
  0.001 μS minimum, auto ranging up to 4 significant digits
• Data logging capacity:
  5000 data points with time/date stamp
• Dimensions:
  24L x 10W x 6.5H cm (9.5 x 3.9 x 2.6")
• Display:
  Graphic LCD with backlight
• Languages:
  English, Spanish, French, Italian, German, and Chinese (Portuguese and Korean available with software update)
• Outputs:
  USB, RS232
• Power supply:
  4 AA batteries (included) or universal AC adapter (sold separately)
• Resistivity range:
  2 ohm to 100.0 meg-ohm
• Resistivity accuracy:
  0.5% of reading ±1 digit
• Salinity accuracy:
  0.5% of reading ±1 digit
• Salinity range:
  0.06 to 80.00 psu, 0.05 to 42.00 ppt
• Salinity resolution:
  0.01 psu or 0.01 ppt minimum, auto ranging
• TDS accuracy:
  0.5% of reading ±1 digit
• TDS range:
  0.001 to 200.0 ppm
• TDS resolution:
  0.001 ppm minimum, auto ranging up to 4 significant digits
• Weight:
  0.5 kg (1.2 lbs.)
• mV accuracy:
  ±0.2 mV or ±0.05% of reading whichever is greater
• mV range:
  ±2000.0 mV
• mV resolution:
  0.1 mV
• pH accuracy:
  ±0.002 pH
• pH range:
  -2.000 to 20.000 pH
• pH resolution:
  0.1, 0.01, 0.001 pH
• Battery type:
  Four AA (included)
• Cat. no.:
  89206-366
• Includes:
  Star™ A325 pH/conductivity portable meter, Orion ROSS Triode pH/ATC gel-filled electrode with 3m cable, Orion DuraProbe conductivity cell with 3m cable, pH 4.01 buffer pouches, pH 7.00 buffer pouches, pH 10.01 buffer pouches, conductivity standard pouches, rinse solution, protective armor with electrode holder, hard carrying case, and batteries
• Supplier No.:
  STARA3255