SR931B

Ion / pH / mV / °C mètre SR931B Br/-NH4/-Cn/-Ag , mémorisation des données et sortie USB, livré complet avec électrode, solutions tampons et support électrode

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Spécifications techniques

2 to 5 points push-button calibration from low to high concentrations.
Selectable multiple concentration units, including ppm, mg/L and mol/L.
Direct readout ion concentration simplifies the elaborate measurement 
process.
mV measurement allows user to check performance of ion electrode.
Automatic Temperature Compensation (ATC) ensures highly accurate 
measurements over the entire range.
Automatic endpoint function freezes the stable measured values for 
easy reading and recording data.
Calibration due reminder prompts you to calibrate the meter regularly.
Help message as a operational guide to helps you understand how to 
use meter.
Setup menu lets user customize calibration points, ion concentration 
units, stability conditions, temperature units, date and time to meet 
measurement requirements.
Reset function can resumes all settings to factory default values.
Expanded memory stores and recalls up to 500 readings.
Built-in real-time clock stamps stored data to meets GLP standards.
Stored data can be transferred into computer via USB communication 
interface.

Model

SR931-F

SR931-CL

SR931-Na

SR931-Ca

SR931-NO3

SR931-Br

SR931-NH4

SR931-Cn

SR931-Ag

Ion Concentration Range

1×10-6M~Saturation

5×10-5~1M

4×10-6~1M

5×10-7~1M

7×10-6~1M

5×10-7~1M

5×10-6~0.1M

8×10-6~0.01M

1×10-7~1M

Ion Concentration Accuracy

±0.5% Full Scale

±1% Full Scale

±0.5% Full Scale

±0.5% Full Scale

±1% Full Scale

Units

ppm, mg/L, mol/L

Calibration Points

2 to 5 points

Calibration Solutions

0.001, 0.01, 0.1, 1, 10, 100, 1000, 10000ppm

mV Range

-1999.9~1999.9mV

mV Accuracy

±0.2mV

Temperature Range

0~105°C, 32~221°F

Temperature Accuracy

±0.5°C, ±0.9°F

Temperature Calibration

Measuring value ±10°C

Temperature Compensation   

0~100°C, 32~212°F, Automatic or Manual

Auto-Off

Manual or Automatic (10, 20, 30 minutes after last key pressed, Selectable)

Hold Function

Manual or Automatic endpoint

Stability Conditions

Low or High, Selectable

Calibration due reminder

1 to 30 days or Off

Reset Function

Yes

Memory

500 data sets with Date/Time stamping

Output

USB Communication Interface

Connector

BNC

Power Requirements   

DC5V, using AC adapters, 220VAC/50Hz

Dimensions   

210(L)×188(W)×60(H)mm

Weight

1.2kg


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