Dalian Yheng Technology Co., Ltd. is one of the most reliable manufacturers and suppliers of online dissolved oxygen meter in China. Welcome to buy high quality online dissolved oxygen meter in stock here from our factory. If you have any enquiry about customized service, please feel free to email us.
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Measurement Range |
0 - 20.00mg/L, Resolution 0.01mg/L |
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Measurement Accuracy |
±0.3mg/L |
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Temperature Measurement Range |
0 - 50℃; Division Value: 0.1℃; Optional |
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Temperature Measurement Accuracy |
±0.3℃; Optional |
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Current Isolation Output |
4 - 20mA |
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Output Current Error |
≤±1%FS |
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High and Low Alarm Relays |
AC220V, 3A |
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Display Screen Specifications |
High-definition IPS color LCD screen, Resolution 480×320 |
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Data Storage |
One year of data (saved every ten minutes) |
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RS485 Communication Interface |
Modbus RTU protocol; Optional |
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Power Supply |
AC100 - 240V, 50 - 60Hz; Optional DC24V (specify when ordering) |
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Overall Dimensions |
98 (Length) × 98 (Width) × 110 (Depth) mm |
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Cutout Dimensions |
91×91 mm |
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Instrument Weight |
Transmitter: 0.35kg |
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Operating Conditions |
Ambient Temperature: -20 - 60℃; Relative Humidity: <85% |
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Electrode Cable Length |
Standard 5 meters |
Features
● High Intelligence: It adopts high-precision AD conversion and single-chip microcomputer processing technology to complete the measurement of dissolved oxygen values.
● Time Display: It has a built-in clock chip that can display the current time.
● English Menu: The instrument can switch between Chinese and English menu modes arbitrarily.
● Data Storage: The instrument has a built-in storage chip that can save historical data for the past year, and the historical data can be exported via Bluetooth by a mobile phone APP (optional function).
● Acoustic-Optic Alarm Function: The instrument is equipped with a buzzer and high and low alarm lights, which can give an acoustic - optic alarm simultaneously when the requirements are met.
● 4 - 20mA Current: The current value can be set arbitrarily and can also be set in reverse for easy control.
● Interval Control Function: The instrument has an interval relay control function within any range, such as an interval compliance function.
● Random Value Function: The instrument has a random value display function within any range to meet the value display requirements under specific conditions (for specific usage, please contact the manufacturer).
● Strong Anti-Interference Ability: The current output adopts photoelectric coupling isolation technology, with strong anti-interference ability and good electromagnetic compatibility.
● Color LCD Screen: It uses a 3.5 - inch high-definition IPS color liquid crystal display module with a resolution of 480×320; it is eye-catching and has a long visible distance.
● RS485 Communication Interface: The Modbus RTU communication protocol can be easily connected to a computer for monitoring and communication.
● Industrial Control Watchdog: It ensures that the instrument does not freeze.
Applications
Online Dissolved oxygen meter can be used in aquaculture, environmental protection monitoring, water quality monitoring in industrial production processes and other fields.
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