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Product Description

The LABMAN LMION40 is a high accuracy benchtop meter for measuring ion concentration, ORP and pH. It measures −2.000 to 20.000 pH (±0.002 pH), reads ion concentration directly over 0.001–19999 ppm / mg/L / mol/L with an ion selective electrode, supports up to 5-point calibration, stores 500 data sets and outputs data by USB.

Key features

  • pH mode: up to 5-point push-button calibration with auto buffer recognition
  • Ion mode: 2 to 5-point calibration from low to high concentration with direct readout of ion concentration
  • Electrode slope calculated and shown after calibration
  • Automatic temperature compensation over the entire range
  • Automatic endpoint function freezes stable readings; calibration due reminder
  • Setup menu for buffers, calibration points, stability, resolution, units, date and time
  • Built-in real-time clock stamps data to meet GLP standards; optional fluoride and nitrate ISE

Technical specifications

Parameter Specification
Model LMION40
Make LABMAN
pH range −2.000 to 20.000 pH
pH accuracy ±0.002 pH
pH resolution 0.001, 0.01, 0.1 pH (selectable)
pH calibration Up to 5 points
Ion concentration range 0.001 to 19999 ppm, mg/L, mol/L (selectable, depending on measuring range of the ion selective electrode)
Ion concentration accuracy ±0.5% full scale (monovalent), ±1% full scale (divalent)
Ion resolution 0.001, 0.01, 0.1, 1
Ion calibration Up to 5 points
mV range ±1999.9 mV
mV accuracy ±0.2 mV
mV resolution 0.1 / 1 mV, selectable
mV calibration 1 point (relative mV mode only)
Temperature range 0–105°C, 32–221°F
Temperature accuracy ±0.5°C, ±0.9°F
Temperature resolution 0.1°C
pH buffer options USA (1.68, 4.01, 7.00, 10.01, 12.45), NIST (1.68, 4.01, 6.86, 9.18, 12.45), DIN (1.09, 4.65, 6.79, 9.23, 12.7) or user defined
Memory 500 data sets with date and time
Output USB communication interface
Connector BNC
Hold function Selectable
Temperature compensation 0–100°C, 32–212°F, automatic or manual
Stability conditions Low or high, selectable
Calibration due reminder 1 to 31 days or off
Power supply DC adaptor, using AC 220 V, 50/60 Hz
Packing dimension (L×W×H) 310 × 255 × 190 mm
Gross weight 2 kg
HSN code 90275090

Supplied with

Main instrument, pH electrode, pH buffer (4.01, 7.00, 10.01), electrode stand, ATC probe, USB adaptor, instruction manual, test certificate.

Frequently asked questions

What can the LMION40 measure?

Ion concentration (with a suitable ion selective electrode), pH, ORP / mV and temperature.

Which ion selective electrodes are available?

Fluoride ISE and nitrate ISE are optional accessories; they are not included.

How many calibration points can I use?

Up to 5 points in both pH and ion modes.

What is the pH accuracy?

±0.002 pH over −2.000 to 20.000 pH.

How much data can it store?

500 data sets with date and time, with a USB output.

What power supply does it need?

DC adaptor, using AC 220 V, 50/60 Hz.

What is supplied with it?

Main instrument, pH electrode, pH buffer (4.01, 7.00, 10.01), electrode stand, ATC probe, USB adaptor, instruction manual, test certificate.

What are the packing size and weight?

310 × 255 × 190 mm (L×W×H as per catalogue), gross weight 2 kg.

Can I get a GST invoice and a bulk or institutional quotation?

Yes. Labmart (Chemlab Equipment) supplies against a GST invoice and provides quotations for colleges, hospitals, pharma companies and government labs, including bulk and tender requirements. Contact us with your requirement for a formal quotation.

What is the warranty and delivery time?

LABMAN instruments supplied by Labmart carry a standard 13-month warranty. Delivery time depends on your location and stock, so please contact Labmart for a delivery estimate.

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