Labmate Bench Top pH Meter LMBP-404

Key Features

• Measures pH, ion concentration, mV (ORP), relative mV, and temperature

• 1 to 5-point calibration with automatic buffer recognition

• Automatic electrode diagnosis displaying pH slope and offset

• Ion measurement with support for monovalent and divalent ions

• Relative and absolute millivolt modes for dependable ORP analysis

• Solution temperature coefficient for pure water compensation

• Automatic temperature compensation across the full range

• Auto-read endpoint detection for stable and repeatable readings

• Timed interval data output to PC or printer

• Limit alarm for out-of-range alerts

• Calibration due alarm for scheduled recalibration

• Password protection and factory reset function

• Expanded memory for storing and recalling up to 500 data sets

Technical Highlights

Parameter	Specification
pH Range	-2.000 to 20.000 pH
pH Resolution	0.001 / 0.01 pH (selectable)
pH Accuracy	±0.002 pH
pH Calibration	1 to 5 points
Buffer Standards	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
Ion Calibration	2 to 5 points
ORP Range	±1999.9 mV
ORP Resolution	0.1 mV / 1 mV (selectable)
ORP Accuracy	±0.2 mV
ORP Calibration	1 point
Temperature Range	0 to 105 °C / 32 to 221 °F
Temperature Resolution	0.1 °C / 0.1 °F
Temperature Accuracy	±0.5 °C / ±0.9 °F
Temperature Offset Calibration	1 point (reading ±10 °C)
Temperature Compensation	Automatic
Memory	500 data sets

Applications
Labmate Bench Top pH Meter LMBP-404 is widely used in food and beverage industries, nutrient availability analysis, hydroponics, soil testing, and precise pH and ion measurement of water and other soluble solutions in laboratory and industrial settings.