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BIOBASE ph meter PHS-920 digital chemical ph meter for laboratory or hospital
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Product Description
Product Description
Feature：
* 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）.
* 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）.
Specification
Model | PH-220 | PH-221 | PH-320 | PH-40 | |
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 | 0~100°C, Manual | |
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 | BNC | |
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 (Standard) or | |||
DC5V power adapter (Optional) | 3×1.5V "AA" batteries (Standard) or | ||||
DC5V power adapter (Optional) | |||||
Dimensions(W*D*H) | 185*88*32mm | 170*85*30mm | |||
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