Specifications

pH Mode

pH range	-2.00 to 20.00 pH
pH Accuracy	± 0.002 pH
pH Resolution	0.1/0.01/0.001 pH, selectable
pH Calibration Points	1 to 5 Points
pH Buffer Solutions	USA (pH 4.0/7.00/10.01) or NIST (pH 4.01/6.86/9.18) or DIN buffers

mV Mode

mV Range	-1999.9 to 1999.9 mV
mV Accuracy	± 0.2 mV
mV Resolution	0.1/1 mV, selectable
mV Calibration Points	1 Point

Conductivity Mode

Conductivity Range	0.01 to 20.00, 200.0, 2000 µS/cm, 20.00, 200.0 mS/cm
Conductivity Accuracy	± 0.5% F.S.
Conductivity Resolution	0.01/0.1/1
Conductivity Calibration Points	1 to 5 Points
Conductivity Solutions	10, 84, 1413 µS/cm, 12.88, 111.8 mS/ cm
Conductivity Temperature coefficient	0.0 to 10.0 %/°C
Compensation mode	Linear or Pure Water
Cell Constant	K=0.1, 1, 10 or Custom
Reference temperature	20 or 25°C

Dissolved Oxygen Mode

Dissolved Oxygen Range	0.00 to 20.00 mg/ L
Dissolved Oxygen Accuracy	± 0.2 mg/ L
Dissolved Oxygen Resolution	0.1/ 0.01 mg/ L, selectable
Dissolved Oxygen Calibration Points	1 or 2 Points
% Saturation Range	0.0 to 200.0 % with ± 2 % accuracy
Pressure correction	60 to 112.5 kPa, 450 to 850 mmHg
Salinity correction	0 to 50 g/ L

Temperature Range

0 to 105°C, 32 to 221°F

Temperature Accuracy

± 0.5°C

Temperature Resolution

0.1°C

Temperature Calibrations Points

1 Point

Temperature Compensation Mode

Manual or Automatic

Data Hold Function

Manual or Automatic Endpoint Detection

Stability Criteria

Low or High

Calibration Due Alarm

1 to 31 Days

Reset Function

Yes

Memory

Stores Up to 500 data sets

Output

USB interface

Connector

BNC, 6-pin mini plug

Display

LCD

Power supply

DC5 V, AC 220 V, 50 Hz

Dimension (L × W × H)

210 × 188 × 60 mm

Weight

1.5 kg

Features

Common Features
Stability indicator displays the status of current measurement
Auto hold function freezes stable, final readings for better viewing and recording
Manual temperature calibration to rectify the deviations in temperature
Automatic temperature compensation for accurate measured value over the entire range
Selectable temperature units (°C or °F) for different application requirements
Expanded memory stores and recalls up to 500 readings
Help message as an operational guide, helps users for quick access to the parameters
Reset function automatically resumes all the setting back to factory default options
Store data is transferrable into computer via USB communication interface
pH mode
1-5 points push button calibration to automatically identify pH buffer
Convenient to select pH buffer standard (USA/NIST/DIN) or custom
Automatic electrode slope display helps operator whether to replace the sensor
Conductivity mode
1-5 point for calibration with automatically identification of calibration solutions
Can select cell constant (0.1/1/10) and normalization temperature (20°C or 25°C)
TDS conversion factor, seawater, practical salinity measurements mode to meet different water quality measurement requirements
Linear or pure water compensation improves the measurement accuracy
Dissolved oxygen mode
1-2 points calibration using the air-sealed water & zero oxygen solution
Manual salinity & barometric pressure compensation for accurate readings

Standard Accessories

Accessories No.	Name
1	pH Electrode (for general liquids)
2	Polarographic Dissolved Oxygen Probe
3	Temperature probe
4	pH Buffer pouches (pH 4.01/ 7.00/ 10.01)
5	Dissolved Electrolyte Solutions
6	DO membrane cap
7	USB Cable
8	DC5 V power adapter

Optional Accessories

Accessories No.	Name
1	Temperature probe
2	Calibration Solutions for pH and DO electrolyte
3	pH electrodes suitable for non-aqueous, high alkalinity, low conductivity, tis buffers, biofuels and others
4	Dissolved Oxygen Polarographic Probe
5	DO Membrane Cap
6	DC5V power adapter

Applications

Used for quality checking of water on different parameters across research, QC labs, water management plants and others production units.

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