Innovative Technologies

Touch Screen pH/DO Meter (QXM-PD515)

Touch Screen pH/DO Meter (QXM-PD515)

It supports wireless bluetooth printing. Real-time data transfer to mobile phone via bluetooth is optional. Smart electrode status display to ensure accurate use.
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
• Auto recognition of 25 buffers with options: Europe & USA, NIST, and China
• Includes ATC, auto salinity compensation, and auto pressure compensation
• Polarographic DO electrode with short polarization time (3–5 minutes)
• Supports PC connection and optional wireless Bluetooth printing and real-time mobile data transfer
• Smart electrode status display ensures accurate readings
• Stores 1000 sets of test data, exportable via USB and viewable in Excel

Technical Specification

Specifications

Category Specification
pH Range (-2.00 ~ 20.00)pH
pH Resolution 0.1 / 0.01 pH
pH Accuracy ±0.02 pH
pH Calibration 1, 2, 3 point
Buffer Options Europe & USA, NIST, China standards
Input Current ≤1×10⁻¹² A
Input Impedance ≥3×10¹² Ω
pH Stability ±0.01 pH/3h
Temp. Compensation (0 ~ 100)℃, auto or manual
mV Range -1999.9 mV ~ 0 ~ 1999.9 mV
mV Resolution 1 mV
mV Accuracy ±0.1% FS
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
DO Response Time ≤30s (25℃, 90% response)
Residual Current ≤0.1 mg/L
Salinity Compensation (0 ~ 45) ppt, auto
Pressure Compensation (80 ~ 105) kPa, auto
DO Calibration Air saturated by water / water saturated by air
DO Electrode Type Polarographic
Temp. Range (-10 ~ 110)℃
Temp. Resolution 0.1℃
Temp. Accuracy ±0.5℃
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 pH electrode, DO electrode, Temperature probe, Buffer solution, DO filling solution, Power adapter, Manual