Innovative Technologies

DO Meter (QXM-DO732)

DO Meter (QXM-DO732)

5-inch LCD screen with 150° viewing angle for clear reading out of 5-meter. Rechargable battery can last for 30 hours. Auto power off when no operation in 10 minutes.
Features
  • 5-inch LCD screen with 150° viewing angle for clear reading out of 5-meter.

  • Built-in microprocessor chip has Intelligent functions such as automatic calibration, ATC, data storage, clock display, USBoutput, function settings, automatic power-off and low voltage alarm, etc.

  • Two USB interfaces for PC connection, battery charging, and data transfer.

  • 3.5mm electrode interface makes it very easy for electrode connection.

  • Polarographic DO electrode, short polarization time (3–5 minutes).

  • Automatic recognition of different electrodes. The electrode with built-in chip can automatically stores and retrievecalibration data after connecting with meter.

  • Can store 200 sets of data including readings, GLP data, date and time.

  • Rechargable battery can last for 30 hours. Auto power off when no operation in 10 minutes.

Technical Specification

Specifications

DO & Temperature

Parameter Specification
DO Measuring Range (0.000 ~ 90) mg/L (ppm)
Temperature Range (-10 ~ 110)℃
DO Resolution 0.01 / 0.1
Temperature Resolution 0.1℃
DO Saturation (0.0 ~ 600)%
Air Pressure 1

Accuracy

Parameter Specification
DO Accuracy (0 ~ 100) ppt
Temp. Accuracy (5 ~ 60)℃: range: ±0.5℃; other range: ±1.0℃
Saturation Accuracy 0.10%
Air Pressure Accuracy ±2%

Compensation

Parameter Specification
Temperature (0 ~ 50)℃, auto
Salinity (0.0 ~ 50.0)g/L, manual
Air Pressure (80 ~ 105)kPa, manual

📈 Display Parameters

  • Concentration

  • Saturation

  • Temperature


🕒 Performance

Parameter Specification
DO Saturation ±0.5%
Stability (±0.07mg/L)/1h
Response Time ≤30s (25℃, 90% response)

🔌 Other Details

Category Specification
Display 5-Inch white backlit LCD screen
Data Storage 200 sets
Power DC 5V/1A
Communication Connector Micro USB & Standard USB
Dimensions / Weight 180 × 130 × 14 mm / 280 g
Ambient Temp. 5 ~ 40℃
Ambient Humidity 5 ~ 85%
IP Grade IP54

📦 Standard Accessories

  • DO electrode

  • Temperature probe

  • DO filling solution

  • Power adapter

  • Manual