Portable pH&ORP Meter Used For Field

Short Description:

★ Model No: PHS-1701

★ Automation: automatic reading, stable and conventient, automatic temperature compensation

★ Power Supply:  DC6V or  4 x AA/LR6 1.5 V 

★ Features: LCD display, strong structure, long life time

★ Application: laboratory, waste water, clean water, field etc


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Product Detail

User Manual

PHS-1701 portable pH meter is a digital display PH meter, with LCD digital display, which can display PH and temperature values simultaneously. The instrument applies to the labs in junior college institutions, research institutes, environmental monitoring, industrial and mining enterprises and other departments or field sampling to determine the aqueous solutions' PH values and potential (mV) values. Equipped with ORP electrode, it can measure the solution's ORP (oxidation-reduction potential) value; equipped with the ion specific electrode, it can measure the electrode potential value of the electrode.

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Technical Indexes

Measuring range pH 0.00…14.00
mV -1999…1999
Temp -5℃---105℃
Resolution pH 0.01pH
mV 1mV
Temp 0.1℃
Electronic unit measurement error pH ±0.01pH
mV ±1mV
Temp ±0.3℃
pH calibration 1point, 2 point, or 3 point
Isoelectric point pH 7.00
Buffer solution 8 groups
Power supply DC6V/20mA ; 4 x AA/LR6 1.5 V or NiMH 1.2 V and chargable
Size/Weight 230×100×35(mm)/0.4kg
Display LCD
pH input BNC,resistor >10e+12Ω
Temp input RCA(Cinch),NTC30kΩ
Data storage Calibration data;198 groups measurement data(99 groups for pH、mV each)
Working condition Temp 5...40℃
Relative humidity 5%...80%(without condensate)
Installation grade
Pollution grade 2
  Altitude <=2000m

What‘s pH?

PH is a measure of the hydrogen ion activity in a solution. Pure water that contains an equal balance of positive hydrogen ions (H +) and

negativehydroxide ions (OH -) has a neutral pH.

● Solutions with a higher concentration of hydrogen ions (H +) than pure water are acidic and have a pH less than 7.

● Solutions with a higher concentration of hydroxide ions (OH -) than water are basic (alkaline) and have a pH greater than 7.

 

Why monitor the pH of water?

PH measurement is a key step in many water testing and purification processes:
● A change in the pH level of water can alter the behavior of chemicals in the water.
● PH affects product quality and consumer safety. Changes in pH can alter flavor, color, shelf-life, product stability and acidity.
● Inadequate pH of tap water can cause corrosion in the distribution system and can allow harmful heavy metals to leach out.
● Managing industrial water pH environments helps prevent corrosion and damage to equipment.
● In natural environments, pH can affect plants and animals. 

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