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Model PHB-4 Portable pH Meter Operation Manual

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詳細介紹
 Congratulations on your purchased model PHB-4 portable pH meter hereinafter called “the meter” from Shanghai San-Xin Instrumentation, Inc.
pH value as a measurement indication which is measuring acidity and alkalinity for water solution. The solution which pH value =7 is neutral, pH<7 is acidic and the value is smaller, the acidic is stronger; pH>7 is alkaline and the pH value is larger, the alkaline is stronger. It needs to measure pH value in great many fields such as industrial, agriculture, physic, environmental protecting and scientific research etc.
 
There is a microprocessor chip inside the meter and its appearance looks good with easily operation. For notable features read as follows:
 
1.1.Equipped with 201B-S pH/ATC 3-in-1 combination electrode which used special sensitive membrane formula and structure mode, not only for measuring normal water solution, but also for measuring surface water, river water, tap water, high purified water and acid rain and so on lower ion strength solution that we can not use normal pH electrode for measuring stably, have response quick, stable display, ATC and so on features.
 
1.2.Three points automatically calibration for double slope which make the meter’s accuracy much higher and manual temperature compensation.
 
1.3.Automatic display slope percentage after calibrating.
 
1.4.Large blue background LCD screen which can show both pH and temperature value at the same time.
 
1.5.Inside of the chip has two series data of pH buffer solution, can be choose freely.
 
1.6.Lower power display, power off automatically after 15 minutes.
 
1.7.℃ and ℉ can be switched automatically.
 
1.8.Packing with special carrying case and there are standard buffer solution inside it.
 
 
2.1. Measuring Range: pH: 0~14.00 pH  mV: ±1999 mV
 
2.2. Resolution: pH: 0.01pH  mV: 1 mV
 
2.3. Accuracy: pH: meter:≤±0.01pH ± 1 digit
 
meter comes with electrode:≤±0.02pH ± 1 digit
 
mV: ≤±0.1%F.S ± 1 digit
 
2.4. Input Resistance: ≥1×1012Ω
 
2.5. Temperature Compensation Range: 0~80℃(automatic)
 
2.6. Power: 1pc of model 6F22 9V cell
 
2.7. Dimension and Weight: 168 x 43 x 26mm/170g
 
 
2.8. Working Condition: environment temperature: 5~35℃. Relative moisture ≤85%RH
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