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RB-101D portable COD measuring instrument
Portable all-in-one machine, advanced cold light source, built-in two lithium batteries, built-in printer, data storage, RS232 data interface, fast me
Product details
Brief introduction
RB-101DPortable TypeCOD measuring instrument,Our company follows the relevant standards for water quality Determination of Chemical Oxygen Demand Rapid digestion spectrophotometry（HJ/T 399-2007）Research and development design;Used by environmental monitoring and supervision personnel for on-site measurement of water samplesCOD contentThe all-in-one machine is suitable for outdoor on-site measurement.
stem or root of plantsportableCOD measuring instrumentBuilt in two large capacity lithium batteries, which can be used for pre-treatment digestion and water sample determination respectively, do not interfere with each other, and can be used for both AC and DC; Built in printer, real-time printing of measurement values, convenient for on-site analysis and discussion; Human computer interactive operation, simple operation, users can apply this product without complex professional knowledge.
IITechnical Parameter
Table 1 Technical Parameters of RB-101D Portable COD Measuring Instrument
| test method | HJ/T399-2007 (Rapid digestion spectrophotometric chromium method) |
| range | 0-5000mg/L (segmented measurement); Exceeding dilutive measurements |
| limit of detection | 5mg/L (below this concentration, it is recommended to use a manganese analyzer) |
| resolution | 0.001mg/L |
| accuracy | 5~100 mg/L， Absolute error ≤ ± 5 mg/L; 100 mg/L~5000 mg/L， Relative error ≤± 5% |
| optical system | 420nm (low range); 600nm (medium and high range) |
| Light source lifespan | >100000 hours |
| Anti chlorine interference | ≤1000mg/L |
| Storage | 10000 measurement data and 100 standard curves |
| Dissolving temperature | 165℃±1℃ |
| digestion time | 15 minutes |
| Batch processing volume | 4 water samples |
| size | 400*300*200mm |
| weight | 8kg |
| power supply | AC220V ± 10%/50Hz, DC+16V lithium battery |
| ambient temperature | 5—50℃ |
| ambient humidity | ≤ 85% non condensing |
| other | No significant vibration or strong electromagnetic interference, avoid direct sunlight |
3、 Main functional features
1. Dual LCD display, pure Chinese operation interface,Easy to operate;
2. New optical circuit design with strong anti-interference ability, high measurement data accuracy, and good stability;
3. Automatic constant temperature control system, PID regulation technology, constant temperature and high accuracy during the digestion process;
4. The instrument can automatically calibrate the measurement curve, automatically zero, and is easy to operate;
5. The measurement and digestion systems are designed separately, with independent power control, and the operation process can be carried out separately without affecting each other;
6. Built in instrumentLarge capacity lithium batteries can achieve heating digestion and colorimetric determination of multiple batches of water samples;
7. AdoptHigh brightness cold light source with a long lifespan100000 hours, small drift, long lifespan;
8. The instrument has a built-in real-time clock, and each measurement record has a measurement timestamp for easy statistics and queries;
9. It has a data output interface that can be connected to a computer to transmit measurement data to the computer, permanently stored;
10.Built in thermal printer, real-time printing of measurement data and historical data, convenient for on-site analysis and discussion;
11. Temperature control range of the digester0-200 ℃, time setting range 0-999min, can be automatically timed;
12. Handheld box design, lightweight, aesthetically pleasing, and easy to carry;
4、 Standard List
Measurement Host1 unit (including suitcase); 4 digestion tubes; Two colorimetric dishes; One set of COD specific reagents; 1 protective cover; 1 power cable and 1 data cable each; 1 copy of instruction manual; 1 warranty card; 1 certificate of conformity
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