Digital Water Meter Price | English Essay My Holiday Primary School

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1. High score calculation of several physical and chemical instruments in both Chinese and English

Dissolved oxygen analyzer technical parameters display: Chinese display, 192 × 64 dot matrix LCD range: 0-20ug/L; 0～200ug/L; 0-20mg/L (automatic shift) resolution: 0.1 ug/L; 0.01 mg/L； Accuracy:<± 3% F.S or 1ug/L (whichever is greater) Reading response time: 90% change within 60 seconds at 25 ℃ Temperature sensor: thermistor Temperature measurement range: 0.0~99.9 ℃ Temperature measurement accuracy: ± 0.5 ℃ Temperature measurement resolution: 0.1 ℃ Temperature compensation range: 0~50 ℃ Disturbance branch rolling (manual or automatic) Sample conditions: Temperature range: 5~50 ℃ Flow range: 100~400ml/min (best around 250ml/min) Water sample allowable solid content: ≤ 5 microns (no gum or grease allowed) Environmental temperature buffer: 5~45 ℃ Environmental humidity: ≤ 90% RH (no condensation) Output current: 0~

10, 0~20 or 4-20mA (dual isolated output) output current accuracy: ± 0.1mA maximum load resistance: 800 Ω (20mA Max.) voltage: 198VAC~242VAC, 50Hz ± 1Hz power: ≤ 8VA Insulation: Power supply to ground 1500V/1 minute without arcing alarm output: dual normally open programmable relay contacts: 5A/30VDC or 5A250VAC. Communication: CAN bus (optional) Storage and transportation temperature: -25 ℃~55 ℃ (excluding electrodes, electrodes should be higher than 0 ℃) External dimensions: 158 width x 158 height x 170 depth mm Hole size: 140mm x 140mm Weight: 2 kilograms --------------------------------------------------------------------------------------------------------------------------------------------------The electrode structure is sturdy and has strong anti pollution ability. Two relays can achieve hi

gh/low temperature or oxygen concentration alarm. Two channels of 4-20mA are available Isolation current output ◇ has data storage function, which can store measurement data for at least one month -------------------------------------------------------------------------------------------------------------------------------. The display screen adopts a 192 × 64 dot matrix LCD with Chinese language display. All operations and programming are completed by 8 touch sensitive film buttons located on the front panel. The programming function of the instrument is protected by a 4-digit security code and cannot be easily changed. Flexibility, reliability and low maintenance are among the benefits provided by the EXA DO402G dissolved oxygen analyzer. Designed to meet the exacting requirements of measuring dissolved oxygen in the modern industrial environment, it contains many features to ensure the best precision whatever the application.The DO402G accepts inputs from both galvanic and polaro-graphic sensors. Percent saturation, mg oxygen/l water, and ppm DO can be displayed and transmitted. Compensation for atmospheric pressure altitude, salinity and temperature are included for the best accuracy of measurement Conductivity meter

1. Instrument features

1. The instrument uses high-performance integrated circuits to form a stable sine wave generator, resulting in stable display and small drift;

2、 The instrument adopts a phase sensitive detector to suppress the influence of distributed capacitance from electrode leads on measurement. Therefore, this instrument does not require a capacitance compensation regulator, and can automatically compensate for gear shifting and measure low conductivity values;

3、 S

Digital Water Meter Price | English Essay My Holiday Primary School

1. High score calculation of several physical and chemical instruments in both Chinese and English

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