Key facts
- Brand
- Hanna Instruments
- Model
- HI 222
- Documents
- 3
- Languages
- EN · ZH
- Last added
- 2012-07-09
Start here
Hanna Instruments HI 2221/HI 2223 pH/mV/ºC Bench Meters Instruction Manual
The document serves as a comprehensive instruction manual for the Hanna Instruments HI 2221 and HI 2223 pH/mV/ºC Bench Meters. It covers preliminary examination, functional descriptions of the front and rear panels, and detailed specifications for both models. Key features include Calibration Check technology to detect electrode problems and enhanced calibration messages. This manual is written in Chinese.
Read onlineHanna Instruments HI 222 specifications
| pH Range | -2.00 to 16.00 |
|---|---|
| Temperature Range | -20.0 to 120.0 °C |
| Logging Capacity | 100 points |
| Dimensions | 235 x 222 x 109 mm |
| Warranty | 2 years |
Source: Hanna Instruments HI 2222 Bench Meter Instruction Manual
All Hanna Instruments HI 222 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What is the Calibration Check feature?
It performs a set of diagnostic tests during calibration using the history of electrode slope and offset to detect problems that can cause loss of accuracy.
From: Hanna Instruments HI 2222 Bench Meter Instruction Manual
How many buffer values can be memorized?
The instrument supports up to two-point calibration with seven memorized buffers available.
From: Hanna Instruments HI 2222 Bench Meter Instruction Manual
What is the warranty period for the HI 2221 and HI 2223 meters?
The instruments are guaranteed for two years against defects in workmanship and materials when used for their intended purpose and maintained according to instructions.
From: Hanna Instruments HI 2221/HI 2223 pH/mV/ºC Bench Meters Instruction Manual
What is the warranty period for the electrodes and probes?
The electrodes and the probes are guaranteed for a period of six months.
From: Hanna Instruments HI 2221/HI 2223 pH/mV/ºC Bench Meters Instruction Manual
How often should the instrument be calibrated?
For best results and constant display of electrode condition, we suggest at least a daily calibration.
From: HANNA Instruments HI 222 Bench Meter Instruction Manual
What happens if the pH reading is out of range?
The closest full-scale value will be displayed blinking on the primary LCD.
From: HANNA Instruments HI 222 Bench Meter Instruction Manual