pH/ORP Meter

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Single and dual channel meters for pH, ORP, Conductivity, Dissolved Oxygen and Specific ion measurement.

The P-30 series portable handheld line of meters are widely used for water quality measurement and field measurement work. The line of meters includes a pH meter, ORP meter, Conductivity meter, Dissolved Oxygen Meter, an ion meter and dual combination meters.

HM-30P pH and HM-31P pH/ORP Meters

pH meter Features:

  • 1000 point data memory
  • Interval time capture function
  • Large LCD display for all parameters
  • Water proof housing
  • Low power consumption and Ni-H battery option.
  • Sensor with built in ID and calibration memory function
  • Software available and expandable for use with PC/Spreadsheet download, external printers, recorders and other devices.
  • HM-31P is dual use for pH and ORP. (Pt Sensor required) and has expanded output capability.

pH Meter Standard Accessories:

  • HM-30P comes with GST-2739C combination 3 in 1 electrode
  • HM-31P comes with GST 2729C, Calibration memory sensor
  • pH 4.01 buffer (100ml)
  • pH 6.86 buffer (100ml)
  • 3.3 mol/l KCl Filling solution, 50ml
  • Polyethylene beaker
  • Operation manual
  • Batteries (2 "AA" cells, 3VDC battery)
HM31P_image
HM-30P pH and HM-31P pH/ORP Meters

pH Meter Specifications

Display LCD Digital Display
Measuring Range pH: pH0.00 - 14.00, Temp: 0-99.0 C
Resolution pH: 0.01pH, Temp: 0.1 C
Repeatability(Main Unit) +/-0.02pH +/- 1 digit
Accuracy Temp: 0-50 C; +/-0.2 C.
Temp. Compensation Automatic/manual
Calibration 1 to 3 points
Data Memory 1000 Points
interval function 1 sec. to 100 hours
RS-232 Standard on HM-31P

RM-30P

ORP meter Features:

  • 1000 point data memory
  • Interval time capture function
  • Large LCD display for all parameters
  • Water proof housing (IP67)
  • Low power consumption and Ni-H battery option.
  • Sensor with built in ID and calibration memory function
  • Software available and expandable for use with PC/Spreadsheet download, external printers, recorders and other devices.

ORP Meter Standard Accessories:

  • RM-30P comes with PST-2739C combination 3 in 1 electrode
  • 3.3 mol/l KCl Filling solution, 50ml
  • Polyethylene beaker
  • Operation manual
  • Batteries (2 "AA" cells, 3VDC battery)

ORP Meter Specifications

Display LCD Digital Display
Measuring Range mV: 0.00 - +/- 2000, Temp: 0-99.0 C
Resolution mV: +/- 2mV, Temp: 0.2 C
Repeatability(Main Unit) +/-0.02pH +/- 1 digit
Accuracy Temp: 0-50 C; +/-0.2 C.
Data Memory 1000 Points
interval function 1 sec. to 100 hours

General P Series Options and Accessories:

EPS-P30 External Printer unit w/cable, 60mm wide
P000119 Printer paper, 20 rolls/pack.
ORD00001 Ink Ribbon for Printer, 1 pc/pk.
118N062 RS-232 Cable, 2m.
OAA00001 AC adapter
G-LOG2 Data Acquisition software.
118N063 Analog output cable.1.5m (For recorder)
6948810K Electrode stand. (With column and stopper)
OIB00001 Electrode Holder. (Except DO sensor)
OIB00007 Electrode Attachment piece (DP) for all P-30 sensors except DO
OIB00009 Stick holder, 5 meter or more rigid holder
OIB000010 Twin stick holder, 5 meter or more rigid holder
ST-15 Magnetic Stirrer, AC
ST-1A Magnetic Stirrer, DC
SC-10P Soft Carrying Case
ODA00001 Storage Case for storage and carry of main unit, sensor, and other accessories.