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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.
Labman
LMION40 Benchtop Ion / pH / mV Meter – −2 to 20 pH, 5-Point Calibration, ±0.002 pH, 500 Data Sets
- Regular price
- Rs.63,999.00
- Sale price
- Rs.42,999.00
Sale
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.
- Regular price
- Rs.63,999.00
- Sale price
- Rs.42,999.00
Sale
GST Invoice included
(Save 18% on business purchases)
Need Quote ?
Get Bulk Order Quotation for your lab or Tender Quotation at special discounts !
Contact our support team at support@labmart.in to get the best quote for your bulk order requirement.
Sales Support - +918920746300
Technical Support- +919667893959
Kindly allow us a time of 2-3 days to properly match all the inquired specs, we will also provide authorization(s) to dealers for particular tenders (on tender basis)

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Free Shipping
Orders above Rs. 1000.
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On Time Delivery
Within 7 days.
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Money Back Guarantee
14 day Return*
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Service Support
Online Installation Support.
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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