Labmate Portable pH Meter LMPH-401

Key Features

• Measures pH (-2.00 to 20.00 pH), ORP (±1999 mV), and temperature (0–105 °C)

• Resolution: 0.01 pH, 1 mV, 0.1 °C/°F

• Calibration: 1–3 points, with USA or NIST standard buffers

• Manual or automatic temperature compensation (0–100 °C)

• Data storage: 100 sets, transferable via USB

• Hold function for manual or auto-endpoint measurement

• Auto power-off after 30 minutes to conserve battery

• Gel electrolyte electrode for stability and durability

• Custom LCD (80 × 60 mm) for clear display

Technical Highlights

Parameter	Specification
pH Range	-2.00 to 20.00 pH
pH Resolution	0.01 pH
pH Calibration	1–3 points (USA 4.01/7.00/10.01, NIST 4.01/6.86/9.18)
ORP Range	±1999 mV
ORP Resolution	1 mV
ORP Accuracy	±1 mV
Temperature Range	0–105 °C / 32–221 °F
Temperature Resolution	0.1 °C / °F
Temperature Accuracy	±0.5 °C / ±0.9 °F
Temperature Compensation	Manual or automatic (0–100 °C)
Data Storage	100 sets
Display	Custom LCD (80 × 60 mm)
Power Supply	3 × 1.5V AA batteries or DC 5V adapter
Dimensions	170 × 85 × 30 mm
Weight	300 g

Features

• Auto-read and auto power-off functions

• Protective membrane cap for probe safety

• Gel electrolyte electrode for consistent performance

• USB interface for calibration and data transfer

Standard Accessories

• Gel electrolyte pH electrode (with protective membrane cap)

• USB cable

• Battery or power adapter

Applications

• Food and beverage industry analysis

• Hydroponics and agriculture for soil and nutrient solutions

• Quick nutrient availability testing

• pH measurement of water, soil extracts, and other soluble solutions

Labmate LMPH-401 combines portability, accuracy, and advanced data handling, making it ideal for field measurements and laboratory applications alike.