• Portable COD Meter
    Model: QW-COD-B
    Ambient Temperature: 5 - 40℃
    Relative Humidity: < 85% (no condensation)
    Power Supply: AC 220V±10% / 50Hz
  • Benchtop COD Analyzer
    Model: QW-COD-T
    Ambient Temperature: 5 - 40℃
    Relative Humidity: < 85% (no condensation)
    Power Supply: AC 220V±10% / 50Hz
  • Portable Ammonia Nitrogen Meter
    Model: AD-82B
    Measuring Range: 0.00~10 mg/L
    Indication Error: ±5% FS
    Repeatability: ≤3%
    Size: 266×200×130 mm
  • Portable Ozone Meter
    Model: Y-615
    Measuring Range: 0~0.96 mg/L
    Power Supply: AC 110-240V/DC 5V power adapter or 5 ×AA batteries
    Resolution: 0.01 mg/L
  • Portable Chlorine Dioxide Meter
    Model: L-612
    Measuring Range: 0~5 mg/L
    Resolution: 0.01 mg/L
    Repeatability: 0.01
    Linear Error: ±5% FS
  • Portable Phosphate Meter
    Model: LSY-1
    Measuring Range: 0~1.84 mg/L
    Resolution: 0.01 mg/L
    Repeatability: 0.01
    Linear error: ±5% FS
  • Portable Sulfate Meter
    Model: BLSY-200
    Measurement Range: 0-200 mg/L
    Resolution: 0.1 mg/L
    Repeatability: 0.01
    Linear Error: ± (5% FS+1)
  • Laboratory Portable Turbidity Meter
    Model: ZD-201, ZD-401, ZD-501, ZD-801, ZD-1001
    Principle: 90° scattered light
    Minimum Display Value: 0.1/0.01 NTU
    Display Error: ±6% (±2% FS)
  • Laboratory Benchtop Turbidity Meter
    Model: WGZ-200AS, WGZ-400AS, WGZ-500AS, WGZ-800AS, WGZ-1000AS
    Principle: 90° scattered light
    Minimum Value (NTU): 0.1
    Indication Error: ±6% (±2% FS)
  • Portable Free Chlorine Meter
    Model: ZYC, ZYL, ZYL10
    Measuring Range: 0.10~4.80 mg/L, 0~5 mg/L, 0~10 mg/L
    Resolution: 0.01mg/L
    Repeatability: 0.01
  • Total Nitrogen Tester
    Model: BZD-100
    Measuring Range: Low range: 0~25 mg/L, High range: 20~100 mg/L
    Power Supply: 220±10V
    Resolution: 1mg/L
  • Total Phosphate Tester
    Model: BZL-1
    Measuring Range: 0~1.20 mg/L
    Resolution: 0.01 mg/L
    Repeatability: 0.01
    Linear Error: ±5% FS
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Hangzhou Qiwei Instrument Co., Ltd. is one of the most reliable manufacturers and suppliers of water quality test equipment in China, featured by quality products and good service. Please rest assured to buy bulk durable water quality test equipment in stock here from our factory. We also accept customized orders.

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