Light & Water Meters

Light & Water Meters

Meters Explained

pH Meter:
A pH meter is an electric device used to measure hydrogen-ion activity (acidity or alkalinity) in solution.

Conductivity Meter:
A conductivity meter measures the level of conductivity in solutions. Conductivity is an ability of materials (solutions, metals or gases) to pass an electric current. Conductivity is useful in determining the overall health of a natural water body. It is also a way to measure changes in wastewater procedures at water treatment plants.

ORP Meter:
Oxidation reduction potential, or ORP, is a measure of a substance's ability to either oxidize or reduce another substance. A positive reading on an ORP meter means that the substance is an oxidizing agent and a negative reading indicates that the substance is a reducing agent.
ORP meters are integral to water testing because they indicates how sanitized or contaminated water is based on its oxidation and reduction properties. In order to be safe to consume, recycle, or come in contact with our skin, water is treated with a sanitizing agent to have a higher oxidation potential, producing a higher ORP reading. By routinely monitoring ORP levels, it’s possible to monitor the effectiveness of a sanitizing agent and adjust your water treatment plan accordingly.

TDS Meter:
A TDS meter is a small hand-held device used to indicate the Total Dissolved Solids in a solution, usually water. Since dissolved ionized solids, such as salts and minerals, increase the conductivity of a solution, a TDS meter measures the conductivity of the solution and estimates the TDS from that reading.

Resistivity Meter:
The resistivity can be expressed using the SI unit ohm metre (Ω⋅m) — i.e. ohms multiplied by square metres (for the cross-sectional area) then divided by metres (for the length).
A resistivity meter is an electronic device used to measure the flow of electric current through the ground from probes inserted at regular intervals. Resistivity is defined as the amount of resistance to current flow, therefore the device can determine different soil compositions based on the readings.

Salinity Meter:
Salinity Meters are devices that are used to measure the amount of salt present in a substance. You can purchase salinity meters either on their own or as a sensor in multiparameter meters, which can measure other water quality parameters such as pH, conductivity, TDS and more.

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  • Handheld pH/Water Quality Meter, LAQUA, PC220 Series (pH/ORP/Cond/TDS/Res/Sal/Temp) Handheld pH/Water Quality Meter, LAQUA, PC220 Series (pH/ORP/Cond/TDS/Res/Sal/Temp)
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    Handheld pH/Water Quality Meter, LAQUA, PC220 Series (pH/ORP/Cond/TDS/Res/Sal/Temp)

    HORIBA

    $1,560.00 +GST
    Automatic pH calibration - up to 5 points (NIST, USA pH buffers) / up to 6 points (DIN pH buffers) 0.01 pH resolution Offset and average slope display ORP calibration option Automatic / manual temperature compensation and temperature calibration...
    $1,560.00 +GST
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  • Digital Handheld Quantum Meter,  PAR/DLI Light Meter (Lightscout) Digital Handheld Quantum Meter,  PAR/DLI Light Meter (Lightscout)
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    Digital Handheld Quantum Meter, PAR/DLI Light Meter (Lightscout)

    LIGHTSCOUT

    $499.00 +GST
    LightScout Quantum Meters Provides scientifically accurate (PAR) light readings under any light source, including LED! Set it out for 24 hours to compute and display DLI. Provides accurate PAR light readings from ANY light source:- Full sun to full...
    $499.00 +GST
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    PRICE REDUCED!
    Digital Handheld UV Meter to Monitor Critical UV Radiation 250-400nm (Lightscout) Digital Handheld UV Meter to Monitor Critical UV Radiation 250-400nm (Lightscout)
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    Digital Handheld UV Meter to Monitor Critical UV Radiation 250-400nm (Lightscout)

    LIGHTSCOUT

    MSRP: $445.00
    Now: $345.00 +GST
    Was: $445.00
    LightScout UV Meter  Monitor critical UV radiation (250-400 nm) with this handheld meter  Determine UV filtering capacity of greenhouse shades and glass barriers  Range is 0-200.0 µmol·m-2·s-1 (full...
    MSRP: $445.00
    Now: $345.00 +GST
    Was: $445.00
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    MSRP: $445.00
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  • Digital Handheld Quantum Meter, PAR Meter, Solar Light (Lightscout)
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    Digital Handheld Quantum Meter, PAR Meter, Solar Light (Lightscout)

    LIGHTSCOUT

    $399.00 +GST
    LightScout Quantum Meters Measure the light used for plant growth. PAR is a more valuable measurement than foot-candles as it measures only the light used by plants for photosynthesis.     Measures photosynthetically active...
    $399.00 +GST
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  • Compact Pocket pH Meter, 0 to 14.0 pH Range, APERA Compact Pocket pH Meter, APERA
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    Compact Pocket pH Meter, 0 to 14.0 pH Range, APERA

    APERA

    $150.00 +GST
    PH20 Value Pocket pH Tester Kit Easy auto. calibration with buffer recognition; auto. temp. compensation (ATC) ensures accuracy in various temperatures (32 to 122˚F) Backed by Apera quality pH sensor with low impedance, ensuring high response rate Comes...
    $150.00 +GST
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  • Benchtop Water Quality Meter, Touch Screen, LAQUA (pH/ORP/ION/COND/RESI/SAL/TDS)
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    Benchtop Water Quality Meter, Touch Screen, LAQUA (pH/ORP/ION/COND/RESI/SAL/TDS)

    HORIBA

    $2,995.00 +GST
    Stress-free measurement with intuitive and very easy-to-use touch panel operation Water quality analysis is repeatedly performed in laboratories on a daily basis. Our high-end benchtop model was developed to provide simplicity with excellent on-site...
    $2,995.00 +GST
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  • Benchtop pH/ORP Water Quality Meter, LAQUA, 2000 Series
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    Benchtop pH/ORP Water Quality Meter, LAQUA, 2000 Series

    HORIBA

    $995.00 +GST
    pH: YESORP: YES Benchtop pH/ORP Meter - Compact and Powerful Water quality analysis is repeatedly performed in laboratories on a daily basis. Our compact and powerful benchtop model was developed to provide simplicity with excellent on-site usability...
    $995.00 +GST
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  • pH Indicator Strips, 0-14 pH
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    pH Indicator Strips, 0-14 pH (100 strips)

    LABCO

    $22.95 +GST
    pH test strips provide precise pH values as the different colours do not mix at the point of testing.Even small pH changes down to 0.2 pH can be observed in a clear colour change.pH indicator is chemically bounded to the cellulose fiber and provides a...
    $22.95 +GST
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  • Compact Sodium Ion Meter, LAQUAtwin
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    Compact Sodium Ion Meter, LAQUAtwin

    HORIBA

    $595.00 +GST
    Overview Only compact meter for a quick measurement of sodium ion using ion selective membrane. Flat sensor technology and 60 years of sensor engineering realizes a reliable and direct measurement of a drop of the sample from 0.3mL. Use sampling sheet...
    $595.00 +GST
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  • Compact Salt Meter, LAQUAtwin
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    Compact Salt Meter, LAQUAtwin, SALT-11

    HORIBA

    $215.00 +GST
    Overview: Only compact meter to measure sodium ion to calculate into NaCl based salt concentration unlike the conductivity converted meters.Flat sensor technology and 60 years of sensor engineering realizes a reliable and direct measurement of a drop of...
    $215.00 +GST
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  • Compact Potassium Ion Meter, LAQUAtwin
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    Compact Potassium Ion Meter, LAQUAtwin

    HORIBA

    $595.00 +GST
    Overview: Only compact meter for a quick measurement of potassium ion using ion selective membrane. Flat sensor technology and 60 years of sensor engineering realizes a reliable and direct measurement of a drop of the sample from 0.3mL. Use sampling...
    $595.00 +GST
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  • Compact pH Meter, 0 to 14pH Range, LAQUAtwin
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    Compact pH Meter, 0 to 14pH Range, LAQUAtwin

    HORIBA

    $199.00 +GST
    Overview: Accurate pH measurements in a few seconds, from a single drop.* Water pH varies in different environments, and a slight change can often have a major effect. Whether you need to keep the pH of an aquarium within tight limits, are checking for...
    $199.00 +GST
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  • Compact Nitrate Meter, General Purpose, LAQUAtwin
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    Compact Nitrate Meter, General Purpose, LAQUAtwin

    HORIBA

    $595.00 +GST
    Overview: Only compact meter for a quick measurement of nitrate ion using ion selective membrane.Flat sensor technology and 60 years of sensor engineering realizes a reliable and direct measurement of a drop of the sample from 0.3mL. Use sampling sheet...
    $595.00 +GST
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  • Compact Pocket Conductivity Meter, APERA Compact Pocket Conductivity Meter KIT, APERA
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    Compact Pocket Conductivity Meter, APERA

    APERA

    $150.00 +GST
    The Apera Instruments EC20 tester is simply the most reliable conductivity (EC) tester with the best value for all kinds of regular EC testing, such as hydroponics, education, tap/drinking water, swimming pool, water treatment, etc. Up to 2 points of...
    $150.00 +GST
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  • Compact Calcium Ion Meter, LAQUAtwin
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    Compact Calcium Ion Meter, LAQUAtwin

    HORIBA

    $695.00 +GST
    Overview: Only compact meter for a quick measurement of calcium ion using ion selective membrane. Flat sensor technology and 60 years of sensor engineering realizes a reliable and direct measurement of a drop of the sample from 0.3mL. Use sampling sheet...
    $695.00 +GST
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