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Labmate Portable pH Meter LMPH-403

Labmate Portable pH Meter LMPH-403

Labmate Portable pH Meter LMPH-403 is a precision handheld device designed for pH, ORP, and ion concentration measurements in the field or laboratory. It offers a wide pH range with high resolution and supports ion measurement in multiple units. The meter is equipped with a large, clear LCD interface, memory storage for 500 data sets, and USB connectivity for easy data transfer. Its compact design and versatile functionality make it suitable for water quality monitoring, laboratory testing, and industrial applications.

  • Product Info

    Key Features

    • pH measurement range: –2.000 to 20.000 pH, resolution selectable 0.001/0.01/0.1 pH

    • ORP measurement: ±1999.9 mV with 0.1/1 mV selectable resolution

    • Ion concentration range: 0.001 to 19999, supports ppm, mg/L, mol/L, mmol/L

    • Temperature range: 0–105 °C / 32–221 °F, resolution 0.1 °C / °F, accuracy ±0.5 °C / ±0.9 °F

    • Calibration: 1–5 points for pH, 2–5 points for ion measurement

    • Supports standard buffers (USA, NIST, DIN, 2 custom buffers)

    • Memory storage: 500 data sets

    • Automatic or manual temperature compensation (0–100 °C)

    • Calibration alarm: 1–31 days

    • Auto-read and hold functions

    • USB interface for data transfer

    • Compact, portable, and lightweight (300 g)

    Technical Highlights

    Parameter Specification
    pH Range –2.000 to 20.000 pH
    pH Resolution 0.001, 0.01, 0.1 (selectable)
    pH Accuracy ±0.002 pH
    pH Calibration 1–5 points
    pH Buffer Options USA, NIST, DIN, 2 custom buffers
    Ion Range 0.001–19999
    Ion Resolution 0.001, 0.01, 0.1, 1
    Ion Accuracy ±0.5% F.S. (monovalent), ±1% F.S. (divalent)
    Ion Units ppm, mg/L, mol/L, mmol/L
    ORP Range ±1999.9 mV
    ORP Resolution 0.1/1 mV (selectable)
    ORP Accuracy ±0.2 mV
    Temperature Range 0–105 °C / 32–221 °F
    Temperature Resolution 0.1 °C / °F
    Temperature Accuracy ±0.5 °C / ±0.9 °F
    Temperature Offset Calibration ±10 °C, 1 point
    Memory 500 data sets
    Display Custom LCD (80 × 60 mm)
    Auto Power-Off 10, 20, 30 minutes
    Power Supply 3 × 1.5V AA or DC 5V adapter
    Dimensions 170 × 85 × 30 mm
    Weight 300 g

    Features

    • Self-power-off function to conserve battery

    • Auto-read function senses and locks measurement endpoint

    • Alarm reminder for calibration

    • USB interface for data transfer and device connectivity

    • Compatible with standard pH buffers

    • Large LCD for clear display of pH, ORP, ion concentration, and temperature

    Standard Accessories

    Model Accessory
    LMPH-403-T1 Temperature probe
    LMPH-403-P1 pH electrode
    LMPH-403-B1 pH buffer solutions (4.01/7.00/10.01)

    Applications

    • Water quality monitoring and contamination detection

    • Laboratory pH and ion analysis

    • Food and beverage industry testing

    • Hydroponics and soil analysis

    • Environmental monitoring of soluble solutions

    Labmate LMPH-403 combines precision, portability, and multifunctionality, making it ideal for professional field and laboratory applications.

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