Portable Conductivity/TDS/Salinity Meter PH-520 PH-530 PH-531 PH-540

Portable Conductivity/TDS/Salinity Meter PH-520 PH-530 PH-531 PH-540 PH-520 Features: 1. 1 to 3 points calibration with automatic recognition for conductivity standards. 2. Automatic electrode diagnosis shows the calibration points and factors . 3. Selectable cell constant, reference temperature, linear/non-linear and pure water compensation modes. 4. Automatic temperature compensation ensures accurate readings over the entire range. 5. Auto-Read function senses and locks the measurement endpoint. 6. Setup menu allows setting the number of calibration points, temperature unit, auto-power off, etc. 7. Reset function automatically resumes all settings back to the factory defaults. 8. Expanded memory stores or recalls up to 100 data sets. 9. USB communication interface for data transfer orconnecting a power adapter to meter. PH-530/531/540 Features: 1. 1 to 5 points calibration with automatic recognition for conductivity standards. 2. Automatic electrode diagnosis shows the calibration points and factors. 3. Selectable cell constant, reference temperature, TDS factor, linear and pure water compensations, seawater and practical salinity measurement modes. 4. Automatic temperature compensation ensures accurate readings over the entire range. 5. Auto-Read function senses and locks the measurement endpoint. 6. Calibration due alarm prompts user to calibrate the meter regularly. 7. Auto-Power Off effectively conserves battery life. 8. Setup menu allows setting the number of calibration points, stabilitycriteria,temperature unit, date and time, etc. 9. Reset function automatically resumes all settings back to the factory defaults. 10. Expanded memory stores or recalls up to 500 data sets. 11. USB communication interface is easy to transfer data to PC. 12. Multi-mode powerscheme(batteries, power adapter and USB port) ensures that using the meter smoothly. Accessories: Meter, CON-1 conductivity electrode, temperature probe, standard solutions and carrying case. Technical Parameters: Model PH-520 PH-530 PH-531 PH-540 Conductivity Range Standard CON-1: 2μs/cm~20000μs/cm Optional CON-0.01: 0.01μs/cm~0.1μs/cm CON-0.1: 0.1μs/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 / 0.00~20.00MΩ 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 mini-DIN, 3.5mm jack socket Display Custom LCD(80*60mm) Power Requirements 3*1.5V AA batteries or DC5V power adapter Battery Life Approximately 150 hours(Turn off the backlight) Dimensions(mm) 170*85*30 Weight(kg) 300g Package Size(W*D*H)mm 475*155*350 Gross Weight(kg) 2kg

Catalog relationship: Available Through Applied Physics