• Pen-Type Dissolved Oxygen Meter
    Pen-Type Dissolved Oxygen Meter for Aquaculture and Field Water Testing
    Model: JPB-80A
    Measuring range: (0 ~ 19.99) mg/L
    Temperature: (0 ~ 40) °C
    Basic Error: ±0.3 mg/L
  • Pen DO Meter
    Pocket-size Dissolved Oxygen Meter for Aquaculture and Field Water Testing
    Model: JPB-70A
    Measuring range: (0 ~ 19.9) mg/L
    Temperature: (0 ~ 40) °C
    Basic Error: ±0.3 mg/L
  • Portable Dissolved Oxygen Meter
    Portable Dissolved Oxygen Meter for Field Water Testing and Aquaculture
    Model: JPB-607A
    Measuring Range: (0 ~ 19.9) mg/L
    Temperature: (0 ~ 40) °C
    Basic Error: ±0.3 mg/L
  • Benchtop Dissolved Oxygen Tester
    Benchtop DO Controller & Meter | Precision Dissolved Oxygen Control - Qiwei
    Model: JPB-605
    Measuring range: (0~19.99) mg/L
    Temperature: (0~40) °C
    Basic error: ±0.3 mg/L
  • Benchtop Dissolved Oxygen Meter
    Benchtop DO Meter for Aquaculture and Laboratory Research
    Model: JPB-650
    Measuring range: (0~19.99) mg/L
    Temperature: (0~40) °C
    Basic error: ±0.3 mg/L
  • Industrial Online DO Controller
    Industrial Online Dissolved Oxygen Controller for Wastewater Treatment and Aquaculture Monitoring Measurement range: 0~20.00 mg/L
    Resolution: 0.01 mg/L
    Error: ±0.3 mg/L
    Power...
  • Pen Salinity Meter
    Model: YD-300 (high range)
    Measuring range: 300 g/L
    Resolution: 0.1 g/L
    Precision: ±0.2 g/L
  • Salinity Pen
    Model: YD-100 (low range)
    Measuring range: 100 g/L
    Resolution: 0.1 g/L
    Precision: ±0.2 g/L
  • Ion-Selective Electrode
    Electrode: Fluoride, Chloride, Bromide
    Model: F201, CL201, Br201
    Description: Crystal, Solid state, Solid state
    Optimum PH Range: 5~6, 2~12, 2~11
  • PH Flat Electrode
    Model: E-201-M
    Measuring range (PH): 0~14
    Measuring temperature (℃): 0~60
    Zero (PH): 7±0.5
  • PH Composite Electrode
    Model: E201-C
    pH Range: 0~14PH
    Media Temp: 5~60°C
    Internal Resistance: ≤120 MΩ (at 25°C)
  • PH Corrosion-Resistant Electrode
    Pressure resistance: 0.6 MPa
    Installation dimensions: 3/4 NPT pipe threads on both the top and bottom
    Material: Polytetrafluoroethylene
    Connection: Low-noise cable...

Hangzhou Qiwei Instrument Co., Ltd. is one of the most reliable manufacturers and suppliers of electrochemical instruments in China, featured by quality products and good service. Please rest assured to buy bulk durable electrochemical instruments in stock here from our factory. We also accept customized orders.

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