Portable Conductivity/TDS/Salinity Meter
Brand BIOBASE
Product origin CHINA
Delivery time Within 7 days
Supply capacity Factory Direct Supply
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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Technical Parameters:
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Model |
PH-520 |
PH-530 |
PH-531 |
PH-540 |
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Conductivity |
Range |
Standard |
CON-1: 2μs/cm~20000μs/cm |
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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 |
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Accuracy |
±0.5% F.S. |
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Resolution |
0.001,0.01,0.1,1 |
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Calibration Points |
1 to 3 points (PH-520), 1 to 5 points (PH- 530/531/540) |
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Calibration Solutions |
10μS/cm, 84pS/cm, 1413pS/cm, 12.88mS/cm, 111.8mS/cm |
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TDS |
Range |
/ |
0-10.00,100.0, 1000ppm, 10.00, 200.0ppt |
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0-10.00,100.0, 1000ppm, 10.00, 200.0ppt |
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Accuracy |
/ |
±1% F.S. |
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±1% F.S. |
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Resolution |
/ |
0.01,0.1,1 |
/ |
0.01,0.1,1 |
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TDS Factor |
/ |
0.1-1.0 (default 0.5) |
/ |
0.1~1.0 (default 0.5) |
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Salinity |
Range |
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0.00~42.00psu,0.00~80.00ppt |
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Accuracy |
/ |
±1% F.S. |
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Resolution |
/ |
0.01 |
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Resistivity |
Range |
/ |
0.00~20.00MQ |
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Accuracy |
/ |
±1% F.S. |
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Resolution |
/ |
0.01 |
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Temperature |
Range |
0-105°C/32-221°F |
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Accuracy |
±0.5°C/±0.9°F |
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Resolution |
0.1°C/0.1°F |
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Offset Calibration |
1 point, reading ±10°C |
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Other Specifications |
Temperature Compensation |
0~100°C, manual or automatic |
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Temperature Coefficient |
Linear (0.0~10.0%/°C), non-linear, pure water |
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Reference Temperature |
20/25°C |
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Cell Constant |
K=0.1, 1, 10 |
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Stability Criteria |
/ |
Low or high |
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Calibration Due Alarm |
/ |
1 to 31 days or off |
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Hold Function |
Manual or auto-endpoint |
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Auto-Off |
30 minutes after last key pressed (PH-520), 10, 20 or 30 minutes after last key pressed (PH-530/531/540) |
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Memory |
100 data sets(PH・520), 500 data sets(PH-530/531/540) |
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Communication Interface |
USB |
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Connector |
6-pin nimi-DIN, 3.5mm jack socket |
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Display |
Custom LCD (80*60mm) |
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Power Requirements |
3x 1.5V AA batteries or DC5V power adapter |
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Battery Life |
Approximately 150 hours (Turn off the backlight) |
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Dimensions(mm) |
170*85*30mm |
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Weight(kg) |
300g |
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Package Size(W*D*H)mm |
475*155*350mm |
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Gross weight(kg) |
2kg |
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