Phone: 253-927-6186

HD2205.2 Laboratory Bench Meter. pH, mV, Redox potential and temperature benchtop meter datalogger.
The HD2205.2 pH Benchtop Meter is equipped with two BNC inputs for the measurement of pH, mV,
Redox potential (ORP) with pH or Redox electrodes, or electrodes with separate reference, and one input for combined pH/temperature probes fitted with SICRAM module. HD2205.2 pH Meter is fitted with a large
backlighted LCD display.

HD2205.2 pH meter

Model  Description 
HD 2205.2  Bench-top pH meter-Thermometer.

All models are fitted with input for the measurement of temperature with Pt100 or Pt1000 immersion,
penetration or contact probes. The probes are equipped with an automatic detection module, with the factory calibration settings already being memorized inside.
The pH electrode calibration can be carried out on one or five points and the calibration sequence can be chosen from a list of 13 buffers. The pH electrode calibration can be carried out on one or five points and the calibration sequence can be chosen from a list of 13 buffers Temperature compensation can be automatic or manual. The instruments of the series HD22� are datalogger, they memorize up to 2,000 samples of data:

HD2205.2 pH meter specifications
Measurement of pH by instrument
Measuring range -9.999 - +19.999pH
Resolution 0.01 o 0.001pH selectable from menu
Accuracy ±0.001pH ±1digit
Input impedance >10Exp12Ω
Calibration error @25°C |Offset| > 20mV
Slope > 63mV/pH o Slope < 50mV/pH
Sensitivity > 106.5% or Sensitivity < 85%
Calibration points Up to 5 points from a list of 13 automatically detected
Automatically detected pH standard
solutions (@25°C)
1.679pH - 2.000pH - 4.000pH - 4.008pH - 4.010pH
6.860pH - 6.865pH - 7.000pH - 7.413pH - 7.648pH
9.180pH - 9.210pH - 10.010pH
Measurement of mV by instrument
Measuring range -1999.9 - +1999.9mV
Resolution 0.1mV
Accuracy ±0.1mV ±1digit
Drift after 1 year 0.5mV/year
Measurement of temperature by instrument
Pt100 Measuring range -50 - +150°C
Pt1000 Measuring range -50 - +150°C
Resolution 0.1°C
Accuracy ±0.1°C ±1digit
Drift after 1 year 0.1°C/year

Ordering codes
HD 2205.2 Bench-top pH meter-Thermometer with back-lighted display, with two BNC inputs, to measure pH, mV, ORP with pH, Redox, separated reference electrodes, one input for a pH/temperature combined probe provided with SICRAM module.
Datalogger of pH, mV, temperature. RS232 C serial output, or USB 2.0 for data download to a PC or printer from memory or in real time. Input for Pt100 or Pt1000 temperature probes provided with SICRAM module.
It is equipped with regulated power supply SWD10, instructions manual, software DELTALOG 11.
Electrodes, calibrating solutions, TP47  series temperature probes with SICRAM module and cables for PC connection have to be ordered separately.

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Hotek Technologies, Inc
tel: 253-927-6186