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 |
