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DEMURE series industrial pH meter
Introduction DEMURE series industrial pH meter, this table is suitable for continuous monitoring of the pH value of aqueous solutions in industrial pr
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Introduction DEMURE series industrial pH meter, this table is suitable for continuous monitoring of the pH value of aqueous solutions in industrial processes such as environmental protection, water treatment, petrochemicals, refining, metallurgy, machinery, water plants, power plants, papermaking, pharmaceuticals, printing and dyeing, food, etc. 2. Characteristics and specifications 2.1. Characteristics (1) Double high impedance differential preamplifier with strong anti-interference ability. (2) The transmission distance between the pH meter and the pH electrode can reach up to 100 meters. (3) The channel adopts optoelectronic isolation input and output technology, with strong anti-interference ability, and can be connected to various controllers and computers. (4) Three and a half digit display. (5) High and low alarm with 250V/* * relay output. (6) Using additional heat? The electrode (temperature sensor Pt100), this? Automatically set the temperature between 0-100 ℃? Compensation. 2.2. Specification (1) Measurement range: 0.00-14.00pH (2)? Table accuracy: 0.05% ± 0.01 pH (3) Reproducibility: ± 0.05% F.S. (4) Linearity: ± 0.05% F.S. (5) Temperature? Compensation: 0-100 ℃ (manual/automatic) (6) Alarm output: high/low two-point, relay output, 220V/* *, fully adjustable. (7) Current output: photoelectric isolated DC4-20mA; Output impedance is 500 Ω. (8) Environmental temperature: -10-+65 ℃ (9) Relative humidity: ≤ 95% (10) Power supply: AC110/220V ± 10%, 50/60Hz ± 10% 3. Installation of this device? Is the table installed? On the dial, fix it on both sides with the attached fixing clips, then tighten the fixing bolts, and finally connect the wires according to the 3.4 terminal wiring diagram. (See? 4) ★ Attention: Before carrying out the wiring steps, the following items must be confirmed: (1) The power supply voltage and? Does the table match, that is, both are 220V or 110V. (2) Supply? The power supply of the meter is in the cut-off state. (3) Is the power supply preferably a three wire type, one of which? ground wire. (4) Will incorrect wiring lead to? Burning of watch lines and components. The wiring work can only be carried out after confirming the above projects.
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