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Introduction
This instrument is suitable to determine the pH of unused engine coolants and antrirusts,and used or unused aqueous dilutions of the concentrated products.But it can not be used for solid antirusts.
When equipped with relative ion selective electrode,it can measure many ion concentration.It can also work as displayer of potentiometric titration measurement.It has function of temperature measurement.
Characteristic
1. The pH apparatus can be calibrated automatically,and the
procedure is started by combination key.It can effectively avoid
loss of calbration data for wrong operation.
2. There are 3 groups standard solution which can be chose as per
different requirements in each country.
3. Display of electrode status and slope can remind the using
condition of electrode at any time.
4. Auto End Lock can eliminate effor of human reading.
5. It can measure pH,ORP and ion concentration with standard curve
method.
6. Intelligently switch manual and auto temperature compensation.
7. This pH tester can store calibration data for 10 years.
8. It's equipped with RS232 communication port.
Technical specifications
| 1 | Applicable standards | SH/T0069 ,ASTM D1287 |
| 2 | Accuracy of apparatus | 0.01 |
| 3 | Measuring range | pH:(-2.00～16.00), mV:(-1999～1999)mV Temperature:-5.0～105.0(℃) |
| 4 | Bacis error of electrnoic 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) |
Photo of ASTM D1287 pH Apparatus of Engine Coolants and Antirusts
