Innovative Technologies

Touch Screen pH/Conductivity/DO Meter (QXM-PCD967)

Touch Screen pH/Conductivity/DO Meter (QXM-PCD967)

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. 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: automatic calibration, ATC, data storage, clock display, USB output, function settings, wireless printing, and self-diagnosis
• Auto recognition of 25 pH buffer standards: Europe & USA, NIST, and China
• Auto recognition of 8 conductivity standard solutions: Europe & USA, and China
• Polarographic DO electrode with short polarization time (3–5 minutes)
• PC connection supported; optional Bluetooth printing and mobile real-time data transfer
• Stores 1000 sets of test data, exportable to USB for Excel

Technical Specification

Category Specification
pH Measuring Range -1.999 ~ 19.999 pH
pH Resolution 0.1 / 0.01 / 0.001 pH
pH Accuracy Electrode: ±0.002 pH, Meter: ±0.01 pH
Auto Calibration 1, 2, 3 point
Buffer Standards Europe & USA, NIST, China
Input Current ≤1×10⁻¹² A
Input Impedance ≥3×10¹² Ω
pH Stability ±0.002 pH / 3h
pH Temp. Comp. (0 ~ 100)℃, auto or manual
mV Measuring Range -1999.9mV ~ 1999.9mV
mV Resolution 0.1 mV
mV Accuracy ±0.03% FS
Conductivity Range (0.002000)μS/cm, (2.00200.0)mS/cm, (200~2000)mS/cm (K=10)
TDS Range (0 ~ 100) g/L
Salinity Range (0 ~ 100) ppt
Resistivity Range (0 ~ 100) MΩ·cm
Cond. Resolution 0.01 / 0.1 / 1 μS/cm; 0.01 / 0.1 / 1 mS/cm
Cond. Accuracy Electrode: ±0.5% FS, Meter: ±0.8% FS
Cond. Temp. Comp. (0 ~ 100)℃, auto
Electrode Constant 0.1 / 0.5 / 1 / 5 / 10 / 50 / 100 cm⁻¹
Reference Temperature 25℃, 20℃, 18℃
DO Measuring 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
DO Temp. Comp. (0 ~ 45)℃, auto
Salinity Comp. (0 ~ 45) ppt, auto
Pressure Comp. (80 ~ 105) kPa, auto
DO Auto Calibration Air saturated by water / water saturated by air
DO Electrode Type Polarographic
Temp. Measuring 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 Supply 12V / 1A
Output USB
Ambient Temp. 5 ~ 35℃
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, Cond. electrode (K=1), DO electrode, Temp. probe, pH buffer, DO filling solution, Power adapter, Manual