pH Meter LB-12PHM Catalog

pH Meter LB-12PHM offers precise measurement capabilities for both pH and dissolved oxygen levels across a range of aqueous solutions. Its integrated chip facilitates automatic calibration and temperature compensation, enhancing the tester's reliability. Real-time monitoring through a smart electrode status display further ensures accuracy. With a quick polarization time of 3-5 minutes, dissolved oxygen measurements are both rapid and precise. Additionally, smart data storage and communication functionalities add further value to the product.

pH Measurement Range	-1.999 to 19.999 pH
pH Resolution	0.1/0.01/0.001 pH
pH Accuracy	Electrode: ±0.02 pH
pH Input Current	≤ 2 × 10 -12 A
pH Input Impedance	≥ 3×1012 Ω
pH Stability	± 0.02 pH/3h
pH Temperature Compensation	0 to 100 °C, auto or manual
mV Measurement Range	-1999.00 to 1999.00 mV
mV Resolution	0.1 mV
mV Accuracy	±0.05% FS
DO Measurement Range	0 to 20 mg/L (ppm) / 0 to 200%
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°C, 90% response)
DO Residual Current	≤0.1 mg/L
DO Temperature Compensation	0 to 45 °C (automatic)
DO Salinity Compensation	0 to 45 ppt (automatic)
DO Pressure Compensation	80 to 105 kPa (automatic)
DO Electrode Type	Polarographic
Temperature Range	-10 to 110 °C
Temperature Resolution	0.1 °C
Temperature Accuracy	5 to 60 ℃: ±0.4℃, Others: ±0.8℃
Calibration mode	Automatic
Calibration points	Up to 3 points
Display	7-inch colored capacitive touch screen
Data Storage	1000 sets
Power	12V (110 to 220V, 50 to 60Hz adapter)
Communication	USB, RS232, Bluetooth
Ambient environment	Temperature: 5 to 40 °C, Humidity: 5 to 85%, IP grade: IP54
External dimension (W × D × H)	215 × 170 × 40 mm
Packing dimension (W × D × H)	475 × 430 × 75 mm
Net weight	0.6 Kg
Gross weight	3 Kg

• pH Meter with touch screen display
• Intelligent microprocessor chip
• Wireless bluetooth printing
• Polarographic DO electrode
• Automatic buffer recognition
• Extensive data storage

Electrode holder
Electrodes

pH Meter is widely used across water treatment plants, aquaculture, food and beverages, environmental testing, pharmaceuticals, research, and development.