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Engine Coolant Antifreeze and Antirust Agent PH Value Tester
ASTM D1287
Model: Jf0069
Product Introduction
The instrument is suitable for the detection of antifreeze, rust inhibitor and coolant, as well as used or unused water dilutions of these product concentrates, but not for the detection of solid rust inhibitors, when equipped with the corresponding ion selective electrode , can measure a variety of corresponding ion concentrations, can be used as a potentiometric titration measurement display instrument, the instrument has a temperature measurement function.
Technical Parameter
1. Applicable standard: ASTM D1287 SH/T0069
2. Instrument level: 0.01
3. Measuring range: ph: (-2.00～16.00) ph
mv: (-1999～1999) mv
Temperature: -5.0～105.0（℃）
4. Basic error of electronic unit: ph: ±0.01
mv: 0.1% (FS)
Temperature: 0.3 (℃)
5. Input impedance: 3×1012Ω
6. Stability: ±0.01
7. Temperature compensation range: 0～100 (℃)
8. Power supply: AC 110～230(V)
9. Net weight: 2KG
Performance characteristics
1. Automatic calibration, the calibration program is started by a combination of keys, effectively avoiding the loss of calibration data due to misoperation.
2. There are as many as 3 groups of standard solutions to choose from, which can be adapted to the usage habits of various countries.
3. Display of electrode status and slope, reminding electrode usage at any time.
4. Automatic end-point locking function to eliminate human reading errors.
5. It can measure ph, redox potential and ion concentration by standard curve method.
6. Intelligent switching between automatic and manual temperature compensation.
7. The calibration data can be maintained for a long time for 10 years after shutdown.
8. Equipped with digital interface RS-232
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