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PWN-840_ Portable COD Ammonia Nitrogen Total Phosphorus Total Nitrogen Water Quality Analyzer
【 Product Overview 】 Handheld and portable design, supporting the determination of multiple parameters such as COD, ammonia nitrogen, total phosphorus
Product details
TECHNICAL INDEX
Instrument Name |
Portable water quality analyzer | |||
Instrument model |
PWN-840 |
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Measurement project |
COD |
Ammonia nitrogen |
total phosphorus |
total nitrogen |
| measuring range | 5～2000mg/L |
0.02～25mg/L |
0.00～10mg/L |
0.05～100mg/L |
Indication error |
≤±5%（F.S） |
≤±3%（F.S） |
≤±5%（F.S） |
≤±5%（F.S） |
wavelength range |
420nm and 610nm |
420nm |
700nm |
340nm |
temperature control |
165℃ |
125℃ |
120℃ |
125℃ |
digestion time |
15min |
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30 min |
30 min |
Anti chlorine interference |
≤2000mg/L |
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- |
- |
Repeatability |
≤±3% |
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| temperature control | Room temperature can be set between 200 ℃ |
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precision |
±0.5℃ |
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Temperature control time |
1~999min adjustable |
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Optical stability |
≤0.002A/20min |
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Batch processing volume |
4 water samples (or choose 16 water samples) |
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Instrument weight |
Measuring instrument: 0.5kg; Dissolver: 1kg |
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External dimensions |
Measuring instrument: 80mm × 230mm × 55mm; Dissolving instrument: 105mm × 160mm × 90mm |
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Host power consumption |
Current:< 40uA； Dissolver power consumption:< 65W |
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Normal usage conditions | ||||
ambient temperature |
5～40℃ |
power supply |
Tester: Built in lithium battery; Dissolver: car cigarette lighter, portable lithium battery or 220V power supply |
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Relative humidity |
≤85% |
No significant vibration or electromagnetic interference, avoid direct sunlight. |
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Instrument characteristics
Separate the digestion instrument from the measuring instrument, which does not affect the measurement accuracy. Temperature PID automatic temperature control and timing.
● LCD large screen with full Chinese display, easy and intuitive operation.
High performance ultra-low power 16 bit microcontroller, and the host is equipped with a high-capacity rechargeable lithium battery, which can be used for up to six months.
The instrument is convenient, compact, and easy to carry for on-site testing. Multiple power supply methods, including car cigarette lighters, high-capacity portable lithium batteries, and 220V power sources, eliminate the problem of being unable to detect in the wild due to the inability to find conventional power sources.
The digestion instrument can be equipped with portable high-capacity lithium batteries to meet the needs of large-scale water sample determination
Can save 50 standard curves and 500 measured values (including concentration values with time labels, absorbance values, and transmittance). The curve can be calibrated and saved by itself.
Equipped with a USB interface, it can connect to a computer and upload and print stored data.
Cold light source, narrowband interference optical system, good optical stability.
● Data power-off protection function.
The host chassis is made of molded ABS material, which has good anti-corrosion, waterproof, and dustproof performance.
High strength suitcase, beautiful, sturdy, and easy to carry.
Configuration List
| name | quantity | name | quantity |
| host | 1 unit | Digester | 1 unit |
| Portable case | 1 piece | Dissolving colorimetric tube | 40 pieces |
| test tube rack | 1 piece | Dissolving tube | 10 pieces |
| COD reagent | 1 set | Ammonia nitrogen reagent | 1 set |
| Total phosphorus reagent | 1 set | Total nitrogen reagent | 1 set |
| Host charger | 1 piece | Dissolver AC/DC converter (220V/12V) | 1 piece |
| Car cigarette lighter connecting wire | 1 item | usb cable | 1 piece |
| Dissolve the protective cover | 1 piece | Product Qualification Certificate | 1 copy |
| operation instructions | 1 copy | warranty card | 1 copy |
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