Key facts
- Brand
- Hanna Instruments
- Model
- pH21
- Documents
- 3
- Languages
- EN
- Last added
- 2012-07-10
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Hanna Instruments pH 210/211/212/213 Bench Meters Instruction Manual
This manual provides instructions for the Hanna Instruments pH 210, pH 211, pH 212, and pH 213 microprocessor-based pH and temperature bench meters. The pH 211 and pH 213 models also support ion concentration (ISE) and Oxidation Reduction Potential (ORP) measurements. The instruments feature a large LCD display and support manual or automatic temperature compensation.
Read onlineHanna Instruments pH21 specifications
| pH Range | -2.00 to 16.00 pH |
|---|---|
| mV Range | +/-399.9 / +/-2000 mV |
| Temperature Range | -9.9 to 120.0°C |
| pH Resolution | 0.01 pH |
| pH Accuracy | +/-0.01 pH |
| Analog Output | 0 to 5 Vdc not isolated |
| Dimensions | 240 x 182 x 74 mm |
| Weight | 1.1 kg |
Source: Hanna Instruments pH211R Bench pH/mV/C Meter Instruction Manual
All Hanna Instruments pH21 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
How often should the instrument be recalibrated for pH?
The instrument should be recalibrated at least once a week, whenever the electrode is replaced, after testing aggressive chemicals, if higher accuracy is required, or after the RESET button is pressed.
From: Hanna Instruments pH211R Bench pH/mV/C Meter Instruction Manual
What buffers are available for calibration?
Five memorized buffers are available: pH 4.01, 6.86, 7.01, 9.18, and 10.01.
From: Hanna Instruments pH211R Bench pH/mV/C Meter Instruction Manual
What buffers are available for calibration?
The instrument offers a choice of five memorized buffers: pH 4.01, 6.86, 7.01, 9.18, and 10.01.
From: Hanna Instruments pH 210/211/212/213 Bench Meters Instruction Manual
How is automatic temperature compensation used?
To use the Automatic Temperature Compensation feature, connect and submerge the HI 7669/2W temperature probe into the sample close to the electrode.
From: Hanna Instruments pH 210/211/212/213 Bench Meters Instruction Manual
What is the pH measurement range?
The meters measure pH in the 0 to 14 range.
From: Hanna Instruments pH20 and pH21 Basic pH Meters Instruction Manual
Can I perform a single point calibration?
Yes, you can choose between 1 or 2 points for automatic calibration.
From: Hanna Instruments pH20 and pH21 Basic pH Meters Instruction Manual