Introduction: PHS-8B intelligent industrial PH transmitter is based on years of research and development production PH meter experience, improved intelligent industrial-line analytical instruments can be connected with domestic and foreign companies high impedance analog signal pH / ORP electrode for Testing of pH / ORP values of solutions in the chemical, petroleum, rubber, paper, tobacco, sugar, food, mining, metallurgy, steel, power generation, pharmaceutical, water treatment and other industries. Features: 1. 16bit high-precision AD and low-power microprocessor technology; 2. All Chinese menu, easy to operate, easy to learn; multi-level password protection, reliable and reliable measurement data; 3. pH standard solution automatic identification calibration, automatic temperature compensation; 4. High-resolution graphics LCD display, you can choose to display the pH (mV) value, temperature, date, electrode slope, zero, output current and other information; 5. Optional two 4-20mA (pH / mV and temperature) isolated signal output and digital signal output (RS485 / standard MODBUS protocol); 6. Optional 1-4 alarm relay and all the way to clean the control relay output; 7. Power, measurement, output circuit isolation between each other, anti-interference ability; 8. Intelligent paperless recording and power-down protection function, record and query the operation and setting data from one month to one year Specifications: Measuring range: pH 0 ~ 14pH ORP -1999 ~ +1999 mV Instrument stability: ± 0.05pH (± 2mV) / 48 hours Measurement error: ± 0.05pH (± 2mV) Instrument resolution: 0.01pH (± 0.1mV) Input impedance: more than 3 × 1012Ω Output signal: 4 ~ 20mA.DC, RS485 (MODBUS) Input signal: pH high impedance millivolt signal or ORP low impedance signal Output load resistance: 4 ~ 20mA.DC 0 ~ 500Ω. Relay Output: Standard three-way (all the way to clean, two alarm) Special requirements can be customized up to five Alarm setting range: 0 ~ 14pH full range can be set Alarm setting Back width: Full range back to the difference setting Alarm output contact capacity: 250VDC, 3A Temperature measurement range: -10 ~ 150 ℃. Temperature compensation range: -10 ~ 100 ℃ Temperature compensation error: <0.005pH / ℃ Working environment temperature: -10 ~ 55 ℃. Power supply: 220V.AC ± 10%, 50Hz, 15W optional 24V.DC ± 10%, 10W Protection class: IP65 Instrument size: 234/185 / 118mm, L / W / H
Introduction: PHS-8B intelligent industrial PH transmitter is based on years of research and development production PH meter experience, improved intelligent industrial-line analytical instruments can be connected with domestic and foreign companies high impedance analog signal pH / ORP electrode for Testing of pH / ORP values of solutions in the chemical, petroleum, rubber, paper, tobacco, sugar, food, mining, metallurgy, steel, power generation, pharmaceutical, water treatment and other industries.
