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Portable Conductivity/TDS/Salinity Meter

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PH-520 Features:
*1 to 3 points calibration with automatic recognition for conductivity standards.
*Automatic electrode diagnosis shows the calibration points and factors .
*Selectable cell constant, reference temperature, linear/non-linear and pure water compensation modes.
*Automatic temperature compensation ensures accurate readings over the entire range.
*Auto-Read function senses and locks the measurement endpoint.
*Setup menu allows setting the number of calibration points, temperature unit, auto-power off, etc.
*Reset function automatically resumes all settings back to the factory defaults.
*Expanded memory stores or recalls up to 100 data sets.
*USB communication interface for data transfer orconnecting a power adapter to meter.
PH-530/531/540 Features:
*1 to 5 points calibration with automatic recognition for conductivity standards.
*Automatic electrode diagnosis shows the calibration points and factors.
*Selectable cell constant, reference temperature, TDS factor, linear and pure water compensations, seawater
and practical salinity measurement modes.
*Automatic temperature compensation ensures accurate readings over the entire range.
*Auto-Read function senses and locks the measurement endpoint.
*Calibration due alarm prompts user to calibrate the meter regularly.
*Auto-Power Off effectively conserves battery life.
*Setup menu allows setting the number of calibration points, stabilitycriteria,temperature unit, date and time, etc.
*Reset function automatically resumes all settings back to the factory defaults.
*Expanded memory stores or recalls up to 500 data sets.
*USB communication interface is easy to transfer data to PC.
*Multi-mode powerscheme (batteries, power adapter and USB port) ensures that using the meter smoothly.

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Category:
Portable Conductivity/TDS/Salinity Meter

Technical Parameters:

Model PH-520 PH-530 PH-531 PH-540
Conductivity Range Standard CON-1: 2μs/cm~20000μs/cm
Optional CON-0.01: 0.01 μs/cm~0.1 μs/cm； CON-0.1: 0.1 μs/cm~2μs/cm； CON-10： 20000μs/cm~200ms/cm
Accuracy ±0.5% F.S.
Resolution 0.001,0.01,0.1,1
Calibration Points 1 to 3 points (PH-520), 1 to 5 points (PH- 530/531/540)
Calibration Solutions 10μS/cm, 84pS/cm, 1413pS/cm, 12.88mS/cm, 111.8mS/cm
TDS Range / 0-10.00,100.0,

1000ppm, 10.00,

200.0ppt

 / 0-10.00,100.0,

1000ppm, 10.00,

200.0ppt
Accuracy / ±1% F.S. / ±1% F.S.
Resolution / 0.01,0.1,1 / 0.01,0.1,1
TDS Factor / 0.1-1.0 (default 0.5) / 0.1~1.0 (default 0.5)
Salinity Range / 0.00~42.00psu,0.00~80.00ppt
Accuracy / ±1% F.S.
Resolution / 0.01
Resistivity Range / 0.00~20.00MQ
Accuracy / ±1% F.S.
Resolution / 0.01
Temperature Range 0-105°C/32-221°F
Accuracy ±0.5°C/±0.9°F
Resolution 0.1°C/0.1°F
Offset Calibration 1 point, reading ±10°C
Other

Specifications

 Temperature Compensation 0~100°C, manual or automatic
Temperature Coefficient Linear (0.0~10.0%/°C), non-linear, pure water
Reference Temperature 20/25°C
Cell Constant K=0.1, 1, 10
Stability Criteria / Low or high
Calibration Due Alarm / 1 to 31 days or off
Hold Function Manual or auto-endpoint
Auto-Off 30 minutes after last key pressed (PH-520), 10, 20 or 30 minutes after last key pressed (PH-530/531/540)
Memory 100 data sets(PH・520), 500 data sets(PH-530/531/540)
Communication Interface USB
Connector 6-pin nimi-DIN, 3.5mm jack socket
Display Custom LCD (80*60mm)
Power Requirements 3x 1.5V AA batteries or DC5V power adapter
Battery Life Approximately 150 hours (Turn off the backlight)
Dimensions(mm) 170*85*30mm
Weight(kg) 300g
Package Size(W*D*H)mm 475*155*350mm
Gross weight(kg) 2kg

 

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Portable Conductivity/TDS/Salinity Meter

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