Hangzhou Qiwei Instrument Co., Ltd. is one of the leading manufacturers and suppliers of benchtop total nitrogen analyzer in China. With a professional production team, we are able to meet the needs of the majority of our customers. Welcome to wholesale bulk benchtop total nitrogen analyzer in stock here from our factory. We also accept customized orders.
product key technologies

This benchtop total nitrogen analyzer is a professional lab instrument, specially made to accurately test total nitrogen content in water samples. It caters to rising market demands for precise monitoring of nutrient pollution, and works well for evaluating eutrophication risks of natural water bodies as well as treatment effects of sewage treatment facilities.
Different from conventional manual testing approaches, this device adopts optimized optical detection technology and steady signal processing system. It can output stable and highly reproducible test data, and is applicable to detect trace nitrogen substances in various complicated water samples including industrial wastewater, domestic sewage, surface water and underground water.
Total nitrogen serves as an important index to judge water pollution degree. Excessive nitrogen emission will easily trigger algae propagation, cause water hypoxia and further destroy aquatic ecological balance. Accurate total nitrogen detection is vital for enterprises to meet environmental protection standards, obtain discharge approval and carry out water resource management work. This equipment can supply accurate test data to satisfy official report submission and related scientific research requirements.
Designed for desktop installation, the analyzer comes with solid overall structure, intuitive operation interface and simple testing steps. Lab staff can finish sample pretreatment, digestion reaction, color measurement and data recording quickly without complicated professional training. It is suitable for long-term stable operation, and users can check past test records conveniently, which greatly simplifies experiment record sorting and data traceability work.

Application Fields
- Municipal and industrial wastewater treatment plants
- Environmental monitoring stations
- University teaching and research laboratories
- Surface water and groundwater quality assessment
- Scientific research on nutrient cycles and pollution control
Technical parameter
|
Model |
TZD-100 |
|
Measuring range |
Low range: 0~25 mg/L; High range: 20~100 mg/L |
|
Power supply |
220±10V |
|
Resolution |
1 mg/L |
|
Repeatability |
≤3% |
|
Linear error |
±5% |
Packing List
- Main Unit: 1 unit
- Power Cord: 1 piece
- Total Nitrogen Solution B: 1 bottle
- Total Nitrogen Solution C: 1 bottle
- High Range Digestion Tube (H-A): 10 pieces
- Low Range Digestion Tube (L-A): 10 pieces
- High Range Colorimetric Test Tube (H-D): 10 pieces
- Low Range Colorimetric Test Tube (L-D): 10 pieces
- User Manual, Certificate of Conformity and Warranty Card: 1 copy each
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