Specifications

Industrial machinery  PH meter price

Description:

YY-3281 industrial pH is our new generation (English) the microprocessor high-grade instrument, with (English) text display, in the (UK) features of the menu operation, intelligent, multi-functional, high measuring performance, adaptability to environment. This table for the high intelligent on-line continuous monitoring, the sensor and the two tables of two parts. With three or two composite electrode, in order to meet the various places use. Continuous monitoring is widely used in thermal power, chemical fertilizer, the pH value of environmental protection, metallurgy, pharmaceutical, biochemical, food and water in solution.

Features:

the new layout design, aluminum shell, metal texture, build high grade E times of water meter!
Menu has the advantages of simple structure, the text type of table dialogue: compared with the traditional instrument, the function of DOG-2082 increased a lot, but due to the use of the menu structure be arranged, operation method similar to computer, use rise more convenient. No memory operation steps and operation sequence; can not instructions, follow the prompts on the screen can be operated.
Intelligent: uses the high precision AD conversion and single chip micro processing technology, can complete the function of pH value and temperature measurement, temperature compensation, automatic meter checking etc..
Reliability: the components are integrated into a piece of circuit board, not a function switch, complicated adjustment knob and a potentiometer.
Double high impedance input: the latest device, double high impedance input impedance of 1012 ohms, strong anti-interference ability;
Solution: to eliminate the interference of ground loop.
Current isolation output: using photoelectric coupling isolation technology, strong anti-interference ability, can be remote;
Communication interface: easy to computer monitoring and communication.
Automatic temperature compensation: at 0 ~ 99.9 ℃ automatic temperature compensation.
Waterproof and dustproof design: protection class up to IP54, suitable for outdoor use.
The menu structure, similar to computer operation, simple operation, operation steps the whole Chinese prompt, without instructions, can be completed. Multi parameter display: displays the pH value, enter the mV number on the same screen (or output current), temperature, time and status.

Technical indicators:
1, measurement range: pH value of 0 ~ 14.00pH, the accuracy of 0.01pH
The temperature of 0 ~ 99.9 ℃, 0.1 ℃ accuracy
The potential value of - 1999.9 ~ +1999.9mV, the accuracy of 0.1mV
2, automatic temperature compensation range: 0 ~ 99.9 ℃, 25 ℃ for reference
3, the measured water sample: 0 ~ 99.9 ℃, 0.6MPa
4, the electronic unit automatic temperature compensation error: ± 0.03pH
5, the electronic unit repeatability error: ± 0.02pH
6, stability: ± 0.02pH/24h
7, the input impedance: 1012 ohm
8, the precision of the clock: ± 1 / month
9, the current isolation output: 0 ~ 10mA (load <1.5 K.);
4 ~ 20 mA (<750 Ω load
10, the output current error: < ± 1%FS
11, the number of data storage: 1 months (1 /5 min)
12, high and low alarm relay: AC220V, 3A
13, RS485 communication interface; RS485 or 232 (optional)
14, power: AC220V ± 22V, 50Hz ± 1Hz
15, protection grade: IP65
16, size: 146 (long) x 146 (wide) x 150 (deep) mm; hole size: 138 x 138 mm
17, weight: 1.0kg
18, working conditions: ambient temperature 0 ~ 60 ℃, relative humidity <85%
19, with three or two composite electrode composite

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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