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Under the control of intelligent controller, the water sample is collected into the instrument by peristaltic pump, and the water sample is sent into the designated sampling bottle through the sampling and distribution system. The collected water sample is stored at constant temperature through the constant temperature system to complete the process of automatic collection, automatic distribution and constant temperature preservation of water sample. Through the in-depth study of more than 20 kinds of online monitors in China, it can realize the cooperation with all kinds of monitoring equipment, and the on-line function makes the sampler and monitor play a greater role.
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Number of bottles |
twenty-five |
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Sampling range error |
≤±10% |
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Equal scale sampling error |
≤±15% |
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Sample bottle specification |
1L |
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System clock time control error |
▲1≤0.1%,▲12≤30S |
|
The temperature control error in the chassis |
≤±2℃ |
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Temperature control mode |
Digital temperature control, compressor refrigeration |
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Temperature setting range |
(0~30)℃ |
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Air tightness of piping system |
≤-0.05MPa |
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Vertical sampling height |
＞5m |
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Horizontal sampling distance |
≥50m |
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MTBT(Mean time to Failure) |
> 1440h/ time |
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Insulation impedance |
＞20MΩ |
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Sampling interval |
(1-9999)min This parameter is optional |
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Connectable flowmeter |
(4-20)mA |
|
Traffic measurement access mode |
Meter analog signal |
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Flow measurement error |
≤±5% |
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Communication interface |
RS232 interface |
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Operating voltage |
AC220V±22V,50Hz±0.5Hz |
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Humidity requirement |
(35~75)% |
|
Operating temperature |
(0~40)℃ |
Material characteristics: The instrument is made of anti-corrosion and high-strength materials, and the refrigeration constant temperature system is customized by professional refrigerator manufacturers.
Sampling mode: out-of-standard retention sample, periodic sampling, synchronous sampling, whole point sampling, flow ratio, remote control, immediate sampling.
Sample constant temperature preservation function: Under the control of temperature control system, sample constant temperature preservation can be achieved.
Communication function: Standard communication interface, can communicate with a variety of online monitors through RS232, 4-20mA and other interface forms.
Opening and closing records: The switch status of the water sample cold room door can be detected, and the time of each opening and closing can be recorded.
Power off protection function: In case of accidental power off and power on again, the sampler can be restored to the working state before power off, and the set parameters remain unchanged.
External pump control function: When the sampling distance is greater than the working distance range of the built-in sampling pump, an external sampling pump can be prepared for relay sampling.
Equipped with dual cache buckets: Monitoring of 24 mixed water samples per day.
It is equipped with the function of mixing water samples evenly: to ensure that the mixed water samples in the cache bucket are fully mixed.
Equipped with water sample fixative: used for fixing retained samples to ensure the representativeness of water samples.
Historical record query function: Historical sample records include sample number, sample date, sampling mode, sample quantity and bottle position information, up to 5000 sample records can be stored. Historical power-off records include the date, time, and status of the power-off. Historical opening records include opening and closing date, opening and closing time, opening and closing state and action information.
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