Application overview dr-803k water quality automatic sampler is a water quality sampler specially designed and produced by Derun Houtian for mixed sample supply and over standard sample retention in the on-line monitoring system of water pollution sources
The sampler is widely used in the import and export of pollution sources and sewage treatment plants, and is used online with online monitors such as cod, ammonia nitrogen, total phosphorus, total nitrogen and heavy metals
A flow * sampling mode is designed, which can automatically adjust the sampling flow according to the instantaneous flow to realize continuous sampling and ensure that the collected water samples are more representative
It has the function of mixing samples in barrels a and B, and can provide continuous mixed water samples to the on-line monitor
The automatic water quality sampler can provide continuous mixed water samples to the on-line monitor, realize the functions of collecting mixed water samples, mixing and temporary storage of mixed water samples, over standard sample retention and alarm, refrigerated samples, automatic cleaning and emptying of mixing barrels, sample protection, etc
, and meet the requirements of national environmental protection standards such as hj353-2019, hj354-2019, hj355-2019 and hj356-2019, It is an ideal supporting equipment for the overall solution of the on-line monitoring system of water pollution sources
Functional features
Sampling function: it can realize timing sampling, time equal ratio, flow equal ratio, flow *, external control sampling, remote start and other sampling trigger modes;
Sample retention function: it can realize the functions of over standard sample retention, synchronous sample retention, direct sample retention and serial port control sample retention;
Sample supply function: it can provide uninterrupted mixed water samples to multiple online monitors such as cod, ammonia nitrogen and heavy metals at the same time
Manual comparison sampling port: it has manual sampling port, which can realize the manual comparison function of mixed water samples;
Record: it can record the sample bottle number, sample retention time, sample retention quantity, sampling mode, sample retention mode, sample retention times, parallel sample number, COD value, NH3-N value, total phosphorus value and total nitrogen value of each reserved sample, and the latest 10000 data records can be recorded;
Power off protection: power off automatic protection, the parameters will not be lost after power off, and the instrument can automatically return to the original working state after power on;
Remote control (optional): it can realize remote reset, remote start sampling, remote modification of parameters, remote extraction of sample retention records, active upload of sample retention records, and customize communication protocol for users;
Digital temperature control: accurate digital temperature control of refrigerator, equipped with soaking system, the temperature is uniform and accurate;
Automatic moistening and washing: before each sampling, moisten and wash the pipeline and sampling barrel with the water sample to be tested to retain the representativeness of the sample
Automatic emptying of mixing barrel: the mixing barrel has the function of rapid automatic emptying;
External pump control: directly control the external pump to lengthen the sampling distance;
Preservation agent adding function (optional): the function of automatically adding preservation agent can be added according to customer needs;
Pipeline optimization: the sample supply and sampling pipeline adopts hard PVC material to ensure the effectiveness and timeliness of water sample collection
Technical indicators
| Sampling bottle | 1000ml× 25 bottles |
| Single sample retention | 10ml～1000ml |
| Sampling interval | 1min～9999min |
| Sampling record | 10000 |
| Door opening and closing record | 2000 |
| Power failure record | 2000 |
| Sample retention error | & plusmn; 7% |
| Proportional sampling error | & plusmn; 8% |
| System clock time control error | & Delta; 1≤ 0
1% & Delta; 12≤ 30s |
| Water sample retention | 2℃～6℃（±1
5℃） |
| Sampling vertical height | & ge; 8m |
| Horizontal sampling distance | & ge; 80m |
| Air tightness of pipeline system | & le;- 0
085MPa |
| MTBF | & ge; 1440 H / time |
| Insulation impedance | > 20 MΩ |
| Communication interface | RS-232/RS-485 |
| Analog interface |
Contacts
- Company Name
- Hebei Derun Houtian Instrument Manufacturing Co., Ltd
- Name:
- Ms. Meng Pang
- Q Q
- 3149367260
- Telephone
- 15001339212
- Mobile
- 15001339212
Address
- Operational Address
- 155 Taishan street, Yuhua District, Shijiazhuang City, Hebei Province
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