Key facts
- Brand
- Hanna Instruments
- Model
- HI 9811-5
- Industry
- Appliances
- Documents
- 2
- Languages
- EN
- Last added
- 2012-07-10
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Hanna Instruments HI 9811-5 Portable pH/EC/TDS/°C Meters Instruction Manual
The Hanna Instruments HI 9811-5 is a splash-proof portable combination meter designed for measuring pH, EC, TDS, and temperature. It features a large LCD display and allows for easy selection of measurement ranges via the front panel keypad. The instrument includes a built-in temperature sensor for automatic temperature compensation of conductivity measurements.
Read onlineHanna Instruments HI 9811-5 specifications
| Temperature Coefficient | 2%/°C |
|---|---|
| Battery Type | 1 x 9V alkaline |
| Dimensions | 75 x 83 x 13 mm |
| Weight | 180 g |
Source: Hanna Instruments HI 9811-5 Portable pH/EC/TDS/°C Meters Instruction Manual
All Hanna Instruments HI 9811-5 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 month, whenever the electrode is replaced, after testing aggressive chemicals, or where extreme accuracy is required.
From: Hanna Instruments HI 9811-5 Portable pH/EC/TDS/°C Meters Instruction Manual
What is the warranty period for the HI 9811-5?
The instrument is guaranteed for two years against defects in workmanship and materials when used for its intended purpose and maintained according to instructions.
From: Hanna Instruments HI 9811-5 Portable pH/EC/TDS/°C Meters Instruction Manual
What is the temperature coefficient for conductivity compensation?
The temperature coefficient is fixed at 2%/°C.
From: Hanna Instruments HI 9811-5 Portable pH/EC/TDS Meter Instruction Manual
How often should the instrument be recalibrated for pH?
It is recommended to recalibrate whenever the electrode is replaced, at least once a month, after testing aggressive chemicals, or where extreme accuracy is required.
From: Hanna Instruments HI 9811-5 Portable pH/EC/TDS Meter Instruction Manual