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Ammonium Meter LMAMM-A100

Ammonium Meter LMAMM-A100

Ammonium Meter LMAMM-A100 provides a temperature measuring range of 0 to 105 °C with temperature compensation for accurate results. It offers direct ion concentration readout for easy measurement. Includes automatic electrode diagnosis function to maintain sensor performance and a system menu to facilitate the adjustment of parameters. Features a large LCD display for efficient data interpretation.

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NH4 Measurement Range 5 × 10⁶ to 1 M, 0.1 to 18000 ppm
NH4 Measurement Accuracy ± 0.5 % F.S.
Resolution 0.001, 0.01, 0.1, 1
Temperature Measurement Range 0 to 105 °C, 32 to 221 °F
Temperature Accuracy ± 0.5 °C, ± 0.9 °F
Temperature Resolution 0.1°C
Temperature Compensation 0 to 100 °C, 32 to 212 °F
mV Range (-1999.9) to 1999.9 mV
mV Accuracy ± 0.2 mV
mV Resolution 0.1 mV
Calibration Points 2 to 5 points
Calibration Solutions 0.001, 0.01, 0.1, 1, 10, 100, 1000, 10000 ppm, mol / L, mg / L
Compensation Mode Manual or automatic
Data Hold Function Manual or automatic endpoint detection
Reset Function Yes
Stability Condition Low or high
Calibration Due 0 to 31 days
Power Off Manual or automatic (10,20,30 minutes)
Memory Stores up to 500 sets of data
Output USB communication interface
Connector BNC
Display LCD (130 × 110 mm)
Power DC 5 V, using AC adapter, AC 220 V / 50 Hz
Dimension (L × W × H) 210 × 188 × 60 mm
Weight 1.5 kg

point.png Fitted with a stability indicator for real-time information

point.png Equipped with an ammonium ion selective electrode

point.png Advanced with a reset setting function

point.png Integrated with auto hold function for better recording

point.png Upgraded with a calibration due reminder for regular calibration of the meter

point.png Employs USB communication interface for effortless data transfer

point.png Designed with a built-in real-time clock to timestamp events

Ammonium ion selective electrode


Temperature probe
Standard solution (1000 ppm)
Ionic strength adjuster (30 mL)
USB cable
DC 5 V Power adapter

NH4 ion selective electrode range: 0.1 to 18000 ppm


Ion standard solutions: 480 mL / bottle
Ionic strength adjuster: 480 mL / bottle
Temperature probe with sensor

Ammonium Meter is a device used for measuring the concentration of ammonium ions in a solution. Utilized in various fields such as environmental monitoring, water quality assessment, agriculture, and industrial processes.

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Ammonium Meter LMAMM-A100