Linear Instruments

Cables - HI 7861/1

Cables - HI 778P/1

Solid State Electrodes

Liquid Membrane Electrodes

Gas Sensors

Reference And Combination Electrodes

Combination Electrodes

HANNA ISE Standards

Ionic Strength Adjusters (ISA)

HANNA Accessories

Custom-Made Solutions

pH And ORP Solutions

Material Safety Data Sheet

PH Technical Calibration Solutions

Technical Solutions For Each Point Of The PH Scale.

HANNA Combo Kits

PH Millesimal Calibration Solutions

Millesimal Calibration Solution Sachets

1.68 Buffer Solution

4.01 Buffer Solution

6.86 Buffer Solution

PH Standard Calibration Solutions

10.01 Buffer Solution

General Cleaning

Turbidity Standard Solutions

Color Graphic Display Portable Meters

Precision Instruments For Lab And Field Applications.

Spot Check Directly In Soil With This Ultra Portable

Advanced Bench Meter With An Extended Range


EC/TDS/NaCl And PH/MV Meter

Auto-ranging EC, TDS, NaCl, Temperature Meter

EC And Resistivity Meter

Conductivity Meters

Industrial Grade EC Meter With USP

Rechargeable Batteries With Inductive Charger

EC/TDS/NaCl/ C Meters

Portable Logging Conductivity Meters

Direct Measurement Kit

EC And TDS Meters

Multi-range Conductivity Meters

EC, TDS And Temperature Meters

TDS And EC Meters

TDS Meter

MS/TDS Meter

Waterproof With Amperometric Technology

pH/Conductivity/TDS Testers

Stick Conductivity Meter

EC Tester

EC/TDS Tester

TDS Tester

EC And TDS Testers

EC/TDS Testers

Reaches Beyond The Average Tester

Conductivity And TDS Testers

Accurate, Affordable Readings


Water Hardness/Softness Tester

Water Purity Testers

EC/TDS Meters

EC / TDS / Temperature Monitors

PH/TDS/Temperature Monitor

Conductivity Calibration Solutions

5000 cm Cal Solution

111800 CM Cal Solution

TDS Calibration Solutions

Powerful Customization, Accurate Analysis

Quick Change

Automatic Titration Systems

Total Titratable Acidity Titrator

HI 84431 Total Titratable Alkalinity Titrator

Free And Total Sulfur Dioxide

Titratable Total Acidity Mini Titrator

Dissolved Oxygen Meters

Designed For Aquaculture

Cutting Edge Technology

Dissolved Oxygen And BOD Meter

DO Meter

Industrial Grade Portable With Extended Range

Printing And Logging Dissolved Oxygen Meters

Extended Range Dissolved Oxygen Meters

Dissolved Oxygen Meter

HI 9142 Manual Calibration Dissolved Oxygen Meter

Dissolved Oxygen Meter Simplified DO Measurement

Dissolved Oxygen Meter With Galvanic Probe For Fish Farming

DO Probes And Accessories

Thinner, Lighter DO Probe For Laboratories

Printing And Logging Thermo-hygrometers

Rugged Hygrometer

Data-logging Thermo-Hygrometers

Compact Thermo-Hygrometer

Relative Humidity And Temperature

Relative Humidity Probe

CE Mark Definition And Compliance

Electro-Magnetic Interferences (EMI)

IP 67 Heavy-Duty Construction

Bar, Stir Bars For Magnetic Stirring

Base For Checktemp

Base For HI 76405

1.5 V AA Battery

3.6 V AA Lithium Battery

Battery, For Amphel Electrodes

Battery, Inductive Chargers


Blades, For Meat PH Electrodes

Boot, Shockproof

Boot, Shockproof Rubber Boot For Portable Meters

Bottle for D.O. Analysis

Bottle, Polyethylene

Bottle, Polyethylene, Dropper

Bottle, Polyethylene, FDA Compliant

Bracket For Installation Of Process Meters

Cable, 6-wire

Cable, Connection, For Hi 931002

Cable, Connection, 3 Mm (0.12') Dia. With A Screw-Cap

Cable, Connection, 3 Mm (0.12') Dia. With A BNC Connector

Cable, PC Connection

Cable, USB PC Connection

Cap, Protective, For Photometers

Cap, Sintered, For RH Probes

Carrying Case, Rugged

Rugged Carrying Case With Thermoformed Tray

Rugged Carrying Case With Thermoformed Tray For Hi 9025

Rugged Carrying Case For HI 93102 And Hi 93114

Soft Carrying Case For Hi 9040 Type Thermistor Thermometers

Soft Carrying Case For Hi 93510 And Hi 955501 Housings

Case Protective

COD Test Tube Adapter

Cover For Battery Compartment

Cube, Color For CTK

Cradle, Docking


Cuvet, Cleaning Cloth

Electrode Holder

Industrial By-Pass Loop Electrode Holder Configuration.

Industrial Electrode Holder For In-Line Installation

Electrodes For Testers, Spare Parts


Holder For Level Controller Bars


Ink Cartridge For Built-in Printers

Key For Testing Thermometer Calibration

Ion Selective Electrodes

Cupric Cyanide Fluoride

Iodide Lead/Sulfate Nitrate

Potassium Silver/Sulfide Reference

Titratable Acids Mini Titrator And PH Meter

DO Probe With Protective Sheath

Soft Carrying Case For Hygrocheck

Key for HI 141 Magnetic Start

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About Us

Our Products

Contact Us

We are one of the distinguished manufacturers and suppliers of precision engineered range of Electronic Measuring Equipment and process control equipment. These are acknowledged for robust design, optimum performance and long functional life.

Welcome to Linear Instruments

With an industry experience of a decade, we have gained prominence for offering Electronic Measuring Equipment and process control equipment. We provide our clients with Recorder, Indicators, Sensors, Thermometer and Transmitters. These equipment meet the requirements of plastic, food, automotive and rubber industries.

With our cutting edge technology and professional expertise, we are able to undertake the fabrication of equipment with perfection. Our range is checked for accuracy, functionality and durability in order to meet the international quality standards. Further, our customization facility has enabled us to meet the requirements of our clients all across the country.

Business Specifics:

  • Company Profile: Manufacturer and Supplier

  • Legal Status: Proprietorship Firm

  • Location: Chennai, Tamil Nadu (India)

  • Income Tax Registration No.: AITPG5826B

  • Tax Identification No.: 33670943242

  • Central Sales Tax No.: 799206


Contact Us

Linear Instruments
Mr. Ganeshan A. C. (Manager)
No. 18- A - 1, Venkateshwara Apartment, Kalaivanar Street, New Perungalathur
Chennai - 600063, Tamil Nadu, India

Contact via E-mail

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