Innovative Technologies

Touch Screen DO Meter (QXM-DD742)

Touch Screen DO Meter (QXM-DD742)

7-inch colored capacitive touch screen with high resolution (1024*600) and sensitivity. It supports wireless bluetooth printing. Real-time data transfer to mobile phone via bluetooth is optional.
Features

• 7-inch colored capacitive touch screen with high resolution (1024×600) and high sensitivity
• Built-in microprocessor chip with intelligent functions like automatic calibration, ATC, data storage, clock display, USB output, function settings, wireless printing, and self-diagnosis
• Includes ATC, auto salinity compensation, and auto pressure compensation
• Polarographic DO electrode with short polarization time (3–5 minutes)
• Supports PC connection
• Wireless Bluetooth printing and real-time data transfer to mobile phone (optional)
• Stores 1000 sets of test data, exportable via USB and Excel

Technical Specification

Specifications

Category Specification
DO Range (0 ~ 20.00) mg/L (ppm), (0 ~ 200.0)%
DO Resolution 0.1 / 0.01 mg/L (ppm), 1 / 0.1 %
DO Accuracy Electrode: ±0.10 mg/L, Meter: ±0.40 mg/L
Response Time ≤30s (25℃, 90% response)
Residual Current ≤0.1 mg/L
Temp. Compensation (0 ~ 45)℃, auto
Salinity Compensation (0 ~ 45) ppt, auto
Pressure Compensation (80 ~ 105) kPa, auto
Auto Calibration Air saturated by water, water saturated by air
Electrode Type Polarographic
Temp. Range (0 ~ 100)℃
Temp. Resolution 0.1℃
Temp. Accuracy 5 ~ 60℃: ±0.4℃; Others: ±0.8℃
Display 7-inch colored capacitive touch screen
Data Storage 1000 sets
Power 12V / 1A
Output USB
Ambient Temp. 15 ~ 30℃
Ambient Humidity ≤85%
IP Grade IP54
Dimensions / N.W. 215 × 170 × 37 mm / 600 g
Shipping Size / G.W. 470 × 430 × 72 mm / 3 kg
Standard Accessories DO electrode, Temperature probe, DO filling solution, Power adapter, Manual