Innovative Technologies

pH/Conductivity Meter (QXM-PC654)

pH/Conductivity Meter (QXM-PC654)

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.

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

  • Automatic recognition of buffers & calibration solutions with three kinds of options: Europe & USA, NIST and China. Support1, 2, 3 point calibration.

  • 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

pH

Parameter Specification
Measuring range (-2 ~ 19.999)pH
Resolution 0.1/0.01pH
Accuracy ±0.02 pH
Input current ≤2×10⁻¹² A
Input impedance ≥1×10¹² Ω
Stability ±0.002 pH/3h
Temp. compensation (0 ~ 100)℃, auto/manual

mV

Parameter Specification
Measuring range -1999.9mV ~ 0 ~ 1999.9mV
Resolution 0.1mV
Accuracy ±0.03% FS

Conductivity / TDS / Salinity / Resistivity

Parameter Specification
Conductivity range (0.0020.00)μS/cm; (20.0200.0)μS/cm; (2002000)μS/cm; (2T.0D0S:2(00.~001)0m0S)/gc/mL; (20.0~200.0)mS/cm
TDS (0~100)g/L
Salinity (0 ~ 100)ppt
Resistivity (0 ~ 100)MΩ·cm
Resolution 0.01/0.1/1μS/cm; 0.01/0.1mS/cm
Accuracy Meter: ±1.50% FS; Electrode: ±1.0%FS
Temp. compensation (0 ~ 50)℃, auto
Electrode constant 0.1 / 1 / 10 cm⁻¹

Temperature

Parameter Specification
Measuring range (-10 ~ 110)℃
Resolution 0.1℃
Accuracy 5~ 60℃: range: ±0.4℃; other range: ±0.8℃

Other

Category Details
Calibration 1, 2, 3 point
Display 5-Inch white backlit LCD screen
Data storage 200 sets
Power DC 5V/1A
Communication connector Micro USB & Standard USB
Dimension/N.W. 180 x 130 x 14mm / 280g
Environment Temp. 5 ~ 35 ℃
Environmental ≤85%
IP Grade IP54
Standard Accessaries pH electrode, Cond. electrode (K=1), Temperature probe, pH buffer solution, Power adapter, Manual