| Customization: | Available |
|---|---|
| Display: | Digital |
| Portable: | Portable |
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* Stability indicator automatically shows current measurement status.
* Auto-Hold function freezes stable reading for easy viewing and recording.
* Automatic electrode diagnosis shows offset and electrode slope.
* Reset feature automatically resumes parameters back to factory default options.
* Help message as a operational guide that helps you quickly using the meter(for PH-220).
* Manual temperature calibration improves the measurement accuracy of meter(for PH-320).
* Selectable temperature unit (°C or°F ) meets different application requirements(for PH-320).
pH Mode (For PH-221/320):
* 1 to 5 points push-button calibration with auto-buffer recognition.
* Automatic electrode slope display helps user decide whether to replace sensor.
* Automatic Temperature Compensation provides accurate measured values.
* Calibration Due Reminder prompts you to calibrate the meter regularly.
ORP Mode(For PH-221/320):
* 1 point offset calibration allows adjusting the displayed value to a known standard.
* Relative and absolute mV measurement modes provide accurate ORP readings.
Ion Concentration Mode(For PH-320):
* 2 to 5 points calibration providing the 8 concentration points can be selected.
* Automatically recognize ion electrodes, does not need to specify the type of ion.
* Direct ion concentration readout simplifies the elaborate measurement process.
* Selectable multiple concentration units include the ppm, mg/L and mol/L.
Technical Parameters|
Model |
PH-220 |
PH-221 |
PH-320 |
|
pH Range |
-2.00~16.00pH |
-2.000~20.000pH |
-2.000~20.000pH |
|
pH Accuracy |
±0.01pH |
±0.002pH |
±0.002pH |
|
Resolution |
0.01pH |
0.1, 0.01, 0.001pH, Selectable |
0.1, 0.01, 0.001pH, Selectable |
|
Calibration Points |
2 points |
1~5 points
|
1~5 points
|
|
Calibration Solutions |
USA (pH4.01/7.00/10.01) |
USA (pH1.68/4.01/7.00/10.01/12.45), NIST (pH1.68/4.01/6.86/9.18/12.45), DIN (pH1.09/4.65/6.79/9.23/12.75) or User-defined |
USA (pH1.68/4.01/7.00/10.01/12.45), NIST (pH1.68/4.01/6.86/9.18/12.45), DIN (pH1.09/4.65/6.79/9.23/12.75) or User-defined |
|
Temperature Compensation |
0~100°C, 32~212°F, Manual or Automatic |
0~100°C, 32~212°F, Manual or Automatic |
0~100°C, 32~212°F, Manual or Automatic |
|
mV Range |
-1999~1999mV |
-1999.9~1999.9mV |
-1999.9~1999.9mV |
|
mV Accuracy |
±1mV |
±0.2mV |
±0.2mV |
|
Resolution |
1mV |
0.1, 1mV, Selectable |
0.1, 1mV, Selectable |
|
Calibration Points |
/ |
1 point (Only for Relative mV mode) |
1 point (Only for Relative mV mode) |
|
Ion Concentration Range |
/ |
/ |
0.001~19999ppm, mg/L, mol/L (Refer to the range of ISE) |
|
Ion Concentration Accuracy |
/ |
/ |
±0.5% F.S (Monovalent),±1% F.S (Divalent) |
|
Calibration Points |
/ |
/ |
2~5 points (0.001, 0.01, 0.1, 1, 10, 100, 1000, 10000ppm, mg/L, mol/L) |
|
Temperature Range |
0~100°C, 32~212°F |
0~105°C, 32~221°F |
/ |
|
Temperature Accuracy |
±1°C |
±0.5°C,±0.9°F |
/ |
|
Resolution |
0.1°C |
/ |
/ |
|
Hold Function |
Manual |
/ |
/ |
|
Memory |
Stores up to 50 data sets |
Stores up to 500 data sets |
Stores up to 500 data sets |
|
Output |
/ |
USB Communication Interface |
USB Communication Interface |
|
Connector |
BNC |
-------- |
|
|
Power Requirements |
1×9V/800mA battery |
3×1.5V "AA" batteries or DC5V power adapter |
3×1.5V "AA" batteries or DC5V power adapter |
|
Dimensions(W*D*H) |
185*88*32mm |
170*85*30mm |
|
|
Package Size(W*D*H) |
475*155*350mm |
||
|
Net Weight |
300g |
||
|
Gross weight |
2kg |
||
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