LPH-802PH meter LPH-802 is the most powerful on the market, using the most convenient to use a pH meter. Chinese display, Chinese menu guidance makes operation extremely convenient, multi-function and high measurement accuracy. Can be widely used for continuous monitoring of thermal power, chemical fertilizer, metallurgy, environmental protection, pharmaceutical, biochemical, food and running water, and the solution pH. Chinese LCD, Chinese menu, Chinese notes. Microprocessor: the use of high-performance CPU chip, high-precision AD conversion technology and SMT technology, to complete the multi-parameter measurement, temperature compensation, self-test instrument, high accuracy, good repeatability. High reliability: board structure, touch buttons, no switch knob. 25 ℃ translation: Nernst electrode slope temperature compensation, ultra-pure water and ammonia added 25 ℃ conversion. Input impedance> 1012Ω. Design of water erosion. Electrode Diagnosis: variety of calibration methods, E0, S query performance monitoring electrodes. Standard solution temperature automatically converted: the temperature curve stored standard solution automatically converted into a standard solution of pH at a set temperature of the calibration. Network function: RS232 bi-directional communication, can be equipped with a printer or TLab1.0 communications and data processing software. Historical data: 3000 data storage. Notepad: 200 records information. Built-in real time clock: provide a time reference, and other functions. Industrial control watchdog: to ensure that the instrument will not crash. Technical Specifications Display: Chinese LCD, Chinese menu operation Measuring range: -2 ~ 18.00pH, -1999 ~ + 1999mV, 0 ~ 99.9 ℃ Resolution: 0.001pH / 0.01pH, 0.1mV, 0.1 ℃ Accuracy: ± 0.005 pH, ± 0.2mV, ± 0.3 ℃ Input impedance:> 1012Ω Warming Range: Auto / Manual 0 ~ 99.9 ℃ temperature compensation: Nernst electrode slope temperature compensation, ultra-pure water and processing of ammonia conversion of 25 ℃ Communication Interface : RS232 bi-directional communication power supply: AC220V ± 22V, 50Hz ± 1Hz, external power supply operating conditions: ambient temperature 0 ~ 60 ℃, relative humidity ≤90℅ power-down save:> 5 years Clock Accuracy: ± 1 min / month calibration methods: point calibration, two calibration, manual input E0, S size, weight: 202x202x68mm, 1.0Kg standard configuration: LPH-802 second table, HT10 power one, T226 two composite electrodes one, T22 temperature electrode an electrode Bracket set, a set of standard buffer. Beijing Huarui Bo Yuan Science and Technology Development Company Limited 0 1 0 - 8 0 3 3 6 3 7 3 0 1 0 - 5 8 4 3 1 7 8 1 0 1 0 - 5 9 1 4 5 1 3 1 1 3 4 3 9 369 862 Address: Beijing's Fangshan District, Qin Fu Park Website: http: //www.bjhrby.com