导言
General Features

High resolution LCD display, 5.7 inches
Multi-reading feature allows auto-read, timed-read and continuous-read
Automatic/Manual temperature compensation ensures accurate results
Auto-hold feature senses and locks the measurement endpoint
Data Storage 500 sets (GLP-compliant)
Support for USB or RS-232 communication
Reset feature automatically resumes all settings back to factory default options
IP54 waterproof

Ion

1-5 points calibration
Selectable measurement unit, including µg/L, mg/L, g/L, mmol/L, pX, ppm, ppb, etc
Multi-measurement modes are supported, including Direct
Reading mode, Standard Addition mode, Sample Addition mode and GRAN mode
Over 10 methods are built-in, including F- , Cl- , Br- , I- , NO3 -, BF4 -, NH4 +, K+ , Na+ , Ca2+, Cu2+, Pb2+, Ag+ and etc., user-defined method is supported

pH

1-5 points calibration with Standard Recognition
Selectable pH buffer groups, including NIST, DIN, GB, USA
Automatic electrode diagnosis with pH slope and offset display

Conductivity

1-3 points calibration with Standard Recognition
Temperature compensation type (none, linear, pure water)
Settable parameters, including cell constant, temperature compensation coefficient and TDS factor

DO

Support for air-saturated water or zero oxygen calibration
Manual Salinity Factor Correction
Selectable pressure unit, including kPa, mbar, Torr, Atm
Auto barometric pressure compensation

Technical Parameters

模型M300F
ParameterspH/EC/ISE/DO/Temp. (mV/ORP/pX/Resistivity/TDS/Sal./DO Saturation)
pHRange-2.00 to 20.00pH
Resolution0.1, 0.01 pH
Accuracy± 0.01 pH
Calibration PointsUp to 5
Standard CustomizationYes
Standard RecognitionNIST, GB, USA and DIN buffers
Slope LimitYes
mV/ORPRange-2000.0 to 2000.0 mV
Resolution0.1 mV
Accuracy± 0.3 mV or ± 0.1%
pXRange-2.00 to 20.00 pX
Resolution0.1, 0.01 pX
Accuracy± 0.01 pX
Calibration PointsUp to 5
ISERange1.000e-9 to 9.999e+9
Unitmol/L, mmol/L, g/L, mg/L, µ g/L, ppm, ppb
ResolutionUp to 4 significant digits
Accuracy± 0.5%
Calibration PointsUp to 5
ConductivityRange0.000 µ S/cm to 1000 mS/cm
Resolution0.001 µ S/cm minimum, various with range selection
Accuracy± 1.0% FS
Reference Temperature20, 25 ºC
Calibration PointsUp to 3
Standard Recognition84 µ S/cm, 1413 µ S/cm, 12.88mS/cm
ResistivityRange5.00 Ω ·cm~20.00 M Ω ·cm
Resolution0.01 Ω ·cm minimum
Accuracy± 1.0% FS
TDSRange0.00 ppm~300 ppt
Resolution0.01mg/L minimum, various with range selection
Accuracy± 1.0% FS
SalinityRange0.0~80.0 ppt
Resolution0.1ppt
Accuracy± 2ppt
Dissolved
Oxygen Concentration –
Polarographic
Range0.00 to 20.00 ppm
Resolution0.01 ppm
Accuracy± 0.10 ppm
Calibration PointsAir-saturated water or zero point
Barometric CompensationYes
Manual Salinity Factor CorrectionYes
% Saturation-Polaro-graphicRange(0.0 to 200.0)%
Resolution0.1%
Accuracy± 2.0%
TemperatureRange-5 to 110 ºC, 23 to 230 ºF
UnitºC, ºF
Resolution0.1 
Accuracy± 0.2
MeasurementReading ModeAuto Read (Fast, Medium, Slow), Timed, Continuous
Reading PromptsReading, Stable, Locked
Temp. CompensationATC, MTC
Data managementData Storage500 results each
GLP FeaturesYes
InputspH ElectrodeBNC(Q9)
DO with Temp. Probe4-pin aviation connector
Conductivity with Temp. Probe5-pin aviation connector
OutputsUSBPC
RS 232printer
Display optionsBacklightYes
Auto Shutdown1~60 min, off
IP RatingIP54
Date and TimeYes
GeneralPowerAC Adapter, 100-240VAC input, DC9V output
Dimensions242 × 195 × 68 mm
Weight900g (1.98 lb)
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