Specifications

online ph meter low cost

Parameters:
( 1 ) Measurement Range : pH: 0 ~ 14.00pH; ORP: -1999 ~ +1999 mV;Temperature : -5 ~ 110.0 °C;
( 2 ) Resolution:pH: 0.01pH; ORP: 1mV;Temperature : 0.1 °C;
( 3 ) Basic error :pH: ± 0.1pH; ORP: ± 5mV;Temperature : ± 0.5 °C;

( 4 ) Automatic or manual temperature compensation range : 0 ~ 110 °C;
( 5 ) Stability:pH: ≤ 0.02pH/24h; ORP: ≤ 2mV/24h;

( 6 ) standard current output:0 ~ 10mA ( load resistance <1.5KΩ); 4 ~ 20mA ( load resistance <750Ω);
( 7 ) two relay control contact :3A240VAC, 6A28VDC or 120VAC;
( 8 ) Instrument Power Supply:220VAC ± 10%, 50 ± 1Hz, power ≤ 3W;   24VDC, Power : ≤ 1W ( optional ) ;  12VDC, Power : ≤ 1W ( optional ) ;
( 9 ) Instrument Dimensions : 96 × 96 × 130mm;   Installation hole size : 91 × 91mm; Wall-mounted : 300 × 200 × 167mm;
( 10 ) Meter Installation: panel mounting ( embedded ) ;
( 11 ) Instrument Weight : 0.6kg;
( 12 ) Instrument working environment: Ambient temperature : -10 ~ 60 °C;    Relative humidity: less than 90% ; 

Features :

LCD large-screen LCD
A variety of automatic calibration function
Optional signal output
Manual, automatic temperature compensation
Two relay control switch
High limit and low limit, hysteresis control
Same interface shows pH (or ORP) and temperature values
Password protection is provided to prevent the misuse of non-staff

Applications :

The instrument configuration of different types of pH or ORP electrodes are widely used in power plants, petrochemical, metallurgy electronics, mining, paper, bio-fermentation engineering, pharmaceutical, food and beverage, water treatment, aquaculture, modern farming and other industries . PH of the aqueous solution (pH) value, ORP (oxidation reduction potential) and temperature values for continuous monitoring and control. 
 
    

About Us:
Xi'an Yunyi Instrument Co., Ltd. is a professional manufacturer that engaged in the fields of pressure measurement instrument, the chief engineer Mr Tian has more than 30 years on this area, he is one of the engineers who introduced the Rosemount technology. We specializing in developing high precision pressure transmitter and pressure gauges. And we also develop temperature transmitter, level transmitter, densitometer etc. They are widely used in chemical, petroleum, paper, electricity, city gas, environmental protection, water treatment and other fields.

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