Name: Lab-grade Portable pH Conductivity Meter
SKU: L111M04

Lab-Grade Portable pH Conductivity Meter with High-Accuracy

L111M04 digital pH conductivity meter is a high-precision pH EC TDS meter for water, supporting simultaneous pH, conductivity(EC) , total dissolved solid(TDS), salinity, and electrical resistivity measurement. The built-in nonlinear temperature compensation function, ensures highly accurate and reliable pH and EC results in ultra-pure water. Also, the L111M04 digital pH conductivity meter is designed for professional users requiring advanced features like GLP compliant data storage, USB data export and monitoring. The Foldable stand converts the handheld pH conductivity multi-parameters water quality meter into a benchtop meter for laboratory testing. With a rugged IP57 rated design, large backlit display, adjustable TDS factor and reference temperature factor, as well as a comprehensive test kit, the L111M04 digital multi-parameters water quality meter meets the testing demands of laboratory, field, or industrial applications.

• A lab-grade handheld pH conductivity meter measures pH, EC, TDS, salinity, and electrical resistivity with high accuracy for lab and industrial applications.
• Quick 1 to 3 point calibration, automatic solution recognition, clear step-by-step calibration prompts, self-diagnosis, and calibration reminder ensure timely maintenance and testing precision.
• Built-in nonlinear temperature compensation improves accuracy for high-purity and ultra-pure water samples.
• Equipped with various intelligent operation functions like ATC, adjustable TDS factor, cell constant, reference temperature and so on.
• 500 groups of data storage with numbering, temperature, and timestamp recording.
• USB data export function enables easy transfer of testing results for further analysis or quality control reporting.
• Foldable stand allows the handheld meter to be used as a benchtop meter for laboratory testing.
• IP57 waterproof housing and silicone grip protect against harsh field conditions.
• All-in-one test kit ready for use with buffer solutions and portable case.

Parameter	Specification
pH Measuring Range	0.00 to 14.00 pH
pH Resolution	0.1/0.01 pH
pH Accuracy	±0.01 pH ±1 digit
pH Temperature Compensation Range	0 to 100°C (Auto. or Manual)
Calibration Point	1 to 3 points
mV Measuring Range	±1000 mV
mV Resolution	1 mV
mV Accuracy	±0.2% FS ±1 digit
Conductivity Measuring Range	0 to 200 mS/cm (auto-range): 0.00 to 19.99 μS/cm; 20.0 to 199.9 μS/cm; 200 to 1999 μS/cm; 2.00 to 19.99 mS/cm; 20.0 to 199.9 mS/cm
TDS Measuring Range	0 to 100 g/L
Salinity Measuring Range	0 to 100 ppt
Resistivity Measuring Range	0 to 100 MΩ·cm
Conductivity Resolution	0.01 / 0.1 μS/cm; 0.01 / 0.1 mS/cm
Conductivity Accuracy	±1.0% F.S ±1 digit
Cond. Temperature Compensation Range	0 to 50°C (manual or automatic)
Cell Constant (K)	0.1 / 1 / 10 cm⁻¹
Temperature Measuring Range	0 to 100°C
Temperature Resolution	0.1°C
Temperature Accuracy	±0.5°C ±1 digit
Data Storage	500 sets
Stored Data Content	ID, date, time, measured value, unit, temperature
Signal Output	USB
Power Supply	3 × AA batteries (1.5V each) or DC 5V (via USB port)

Specifications are subject to change without prior notice.

Lab-Grade Portable pH Conductivity Meter with High-Accuracy

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