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Portable pH Meter LMPH-403

Portable pH Meter LMPH-403

Portable pH Meter LMPH-403 is a rugged device that can monitor pH, mV, relative mV, ion concentration and temperature when paired with the appropriate probe. It is an excellent meter for a variety of applications and advanced pH analysis in the field. Calibration can be performed up to 5 points, and 500 data point sets can be stored. Calibration and data logs can be easily transferred via USB. A custom LCD displays the parameters operating in the 0 - 100°C temperature range.

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pH
Range -2.000 - 20.000 pH
Resolution 0.001, 0.01, 0.1pH, selectable
Accuracy ±0.002pH
Calibration Points 1 to 5 points
pH Buffer Options USA, NIST, DIN, 2 custom buffers
Ion
Range 0.001~19999 (depending on the range of ISE)
Resolution 0.001, 0.01, 0.1, 1
Accuracy ±0.5% F.S. (monovalent), ±1% F.S. (divalent)
Measurement Units ppm, mg/L, mol/L, mmol/L
Calibration Points 2 to 5 points
Calibration Solutions 0.001, 0.01, 0.1, 1, 10, 100, 1000, 10000
ORP
mV Range ±1999.9mV
Relative mV Range ±1999.9mV
Resolution 0.1, 1mV, selectable
Accuracy ±0.2mV
Calibration Points 1 point
Temperature
Range 0 - 105°C/32 - 221°F
Resolution 0.1°C/0.1°F
Accuracy ±0.5°C/±0.9°F
Offset Calibration 1 point, reading ±10°C
Temperature Compensation 0 - 100°C, manual or automatic
Stability Criteria Low or high
Calibration Due Alarm 1 to 31 days or off
Slope/Offset Display Yes
Hold Function Manual or auto-endpoint
Auto-Off 10, 20 or 30 minutes after last key pressed
Memory 500 data sets
Communication Interface USB
Connector BNC, 3.5 mm jack socket
Display Custom LCD (80 × 60 mm)
Battery Life Approximately 150 hours (Turn off the )backlight
Power Requirements 3 1.5V AA batteries or DC5V power adapter
Dimensions (L×W×H) 170×85×30 mm
Weight 300 g

point.png 1 to 5 points calibration with automatic recognition for USA, NIST and DIN buffers

point.png Automatic electrode diagnosis shows the pH slope and offset

point.png Automatic temperature compensation ensures accurate readings over the entire range

point.png Calibration due alarm prompts user to calibrate the meter regularly

point.png Relative and absolute millivolt modes ensure the reliable ORP measurements

point.png Auto read function senses and locks the measurement end point

point.png Setup menu allows setting the pH buffer set, number of calibration points, temperature unit, auto-power off, etc

point.png Reset function automatically resumes all setting back to the factory defaults

point.png Expanded memory stores or recalls up to 500 data sets

point.png USB communication interface for data transfer or connecting a power adapter to meter

point.png Auto power off effectively conserves battery life

point.png Multi-mode power scheme

point.png Ensures durable, rugged performance in outdoor environments

pH meters are vastly used in various applications such as food and beverage industries, analysis of quick nutrients availability, hydroponics, pH measurement of soil and other soluble solutions.

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Portable pH Meter LMPH-403