PH-B Type: Instrument major technical indicators 1. Measuring range: 0.00 ~ 14.00PH, dividing the value 0.01PH; 2. Potential value: -1999 ~ +1999 mv, dividing the value 0.1mv; 3. Temperature: 0 ~ 99.9 ℃, dividing the value of 0.1 ℃; 4. Accuracy: ± 0.05PH; 5. Temperature compensation: automatic temperature compensation, compensation range 0 ~ 99.9 ℃, compensation benchmark 25 ℃, temperature compensation element NTC10KΩ; 6. Signal output: 4 ~ 20mA isolated, working range can be set, maximum load 750Ω; 7. Display: optional 56 × 38 (mm) large screen dot matrix backlit LCD display; Chinese menu prompts; 8. Electrode configuration: PH / ORP composite electrodes, 6 'pipeline threaded connection, wire length is 10m, maximum pressure 0.6Mpa; 9. PH / ORP value of the upper and lower alarm settings and Output: The instrument has PH value or ORP value upper and lower alarm settings, excess or low Set the value in providing switching contact output, contact capacity 220VAC/6A; 10. RS-232C communication output; This instrument has a standard RS-232C serial port communication output, with RS-232C interface with intelligent instrumentation phase connection (such as my company DY-301B type printer), to achieve the transmission of measurement data and print records; 11. instrument conditions: Power supply: AC220V ± 10% 50Hz Ambient temperature: 0 ~ 50.0 ℃ Relative humidity: ≤ 85% 12. Electronic Unit dimensions: Panel Size: 98 × 98 (mm) hole size: 91 × 91 (mm) Depth: 140 (mm) 13. Product test basis: JB/T6203 Conductivity Meter: CM-230 CM-230 (X ) CM-230K (LCD) CM-230K (LED) DDG-230 DDG-8250 DDG-3023A DDG-403B (LCD-A) DDG-403B (LCD-AA) DDG-403B (LCD-AC) DDG-403B ( LCD-D) DDG-403B (LCD-D) DDG-403B (LCD-D) 0-20mScm DDG-403BA (dual detector) resistivity meter: DZG-303A (X) type DZG-303A (DK) DZG-303A (DX) type DZG-303B (LCD-A) DZG-303B (LCD-AA) type DZG-303BA (single detector) type DZG-303BA (dual detector) type DZG-306B (LCD) DZG-306BA DZG-8252 DZG -8251 PH / ORP meter: DDG-403B PH-8250 Model PH-8251-type PH-A type PH-B-type Ro-403 transmitter: DDG-3023 (Custom) Conductivity Transmitter DDG-3023 (Custom) Resistivity Transmitter PH-A type (custom) PH ORP Transmitter SC (custom) Flow Transmitter DZG-306B type (custom) Transmitter Our company specializes in wholesale conductivity meter, resistivity meter, the transmitter , PH / ORP meter, model complete, welcome to buy, telephone consultation.