technology

Iris Visible Spectrophotometer

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Price : 2,500 USD

Code: #15246

Vietnamese version

Supplier: Hanna Instruments

The HI801 iris is a sleek and intuitive spectrophotometer that allows for measurement of all wavelengths of visible light.

rightMORE INFORMATION

  • Customize your methods, take a wide range of measurements, and feel confident in your testing accuracy with iris.
    - iris features precise wavelength selection between 340 nm to 900 nm for complete method compliance and accuracy that is necessary in industries like professional laboratories, water treatment facilities, wineries, and more.
    - Results are consistent and accurate regardless of throughput with the high quality and uniquely designed optics system.
    - Customization options include multiple cuvette shapes and sizes, custom calibration curves, and methods.

  • Parameter:
     

    Parameter

    Range

    Resolution

    Accuracy (at 25 °C)

    Method

    Wavelength

    Reagent Code

    Absorbance

    0.000 to 3.000 Abs

    0.001 Abs

    5 mAbs at 0.000-0.500 Abs
    1% at 0.500-3.000 Abs

         

    Alkalinity

    0 to 500 mg/L (as CaCO3 )

    1 mg/L

    ±5 mg/L ±5% of reading

    Colorimetric Method

    610 nm

    HI775-26

    Alkalinity, Marine

    0 to 300 mg/L (as CaCO3 )

    1 mg/L

    ±5 mg/L ±5% of reading

    Colorimetric Method

    610 nm

    HI755-26

    Aluminum

    0.00 to 1.00 mg/L (as Al3+)

    0.01 mg/L

    ±0.04 mg/L ±4% of reading

    Adaptation of the aluminon method.

    525 nm

    HI93712-01

    Ammonia, Low Range

    0.00 to 3.00 mg/L (as NH3 -N)

    0.01 mg/L

    ±0.04 mg/L ±4% of reading

    Adaptation of the ASTM Manual of Water and Environmental Technology, D1426 Nessler method.

    420 nm

    HI93700-01

    Ammonia, Medium Range

    0.00 to10.00 mg/L (as NH3 -N)

    0.01 mg/L

    ±0.05 mg/L ±5% of reading

    Adaptation of the ASTM Manual of Water and Environmental Technology, D1426, Nessler method

    420 nm

    HI93715-01

    Ammonia, High Range

    0.0 to 100.0 mg/L (as NH3 -N)

    0.1 mg/L

    ±0.5 mg/L ±5% of reading

    Adaptation of the ASTM Manual of Water and Environmental Technology, D1426, Nessler method

    420 nm

    HI93733-01

    Bromine

    0.00 to 8.00 mg/L (as Br2 )

    0.01 mg/L

    ±0.08 mg/L ±3% of reading

    Adaptation of the Standard Methods for the Examination of Water and Wastewater, 18th edition, DPD method

    525 nm

    HI93716-01

    Calcium

    0 to 400 mg/L (as Ca2+)

    1 mg/L

    ±10 mg/L ±5% of reading

    Adaptation of the Oxalate method

    466nm

    HI937521-01

    Calcium, Marine

    200 to 600 mg/L (as Ca2+)

    1 mg/L

    ±6% of reading

    Adaptation of the Zincon method

    610 nm

    HI758-26

    Chemical Oxygen Demand, Low Range

    0 to 150 mg/L (as O2 )

    1 mg/L

    ±5 mg/L or ±4% of reading

    Adaptation of the USEPA 410.4

    420 nm

    HI93754A-25

    Chemical Oxygen Demand, Medium Range

    0 to 1500 mg/L (as O2 )

    1 mg/L

    ±15 mg/L or ±4% of reading

    Adaptation of the USEPA 410.4

    610 nm

    HI93754B-25

    Chemical Oxygen Demand, High Range

    0 to 15000 mg/L (as O2 )

    1 mg/L

    ±150 mg/L or ±2% of reading

    Adaptation of the USEPA 410.4

    610 nm

    HI93754C-25

    Chloride

    0.0 to 20.0 mg/L (as Cl)

    0.1 mg/L

    ±0.5 mg/L ±6% of reading

    Adaptation of the mercury(II) thiocyanate method

    466 nm

    HI93753-01

    Chlorine Dioxide

    0.00 to 2.00 mg/L (as ClO2 )

    0.01 mg/L

    ±0.10 mg/L ±5% of reading

    Adaptation of the Chlorophenol Red method

    575 nm

    HI93738-01

    Chlorine, Free Ultra Low Range

    0.000 to 0.500 mg/L (as Cl2 )

    0.001 mg/

    ±0.020 mg/L ±3% of reading

    Adaptation of the Standard Method 4500-Cl G

    525 nm

    HI95762-01

    Chlorine, Free Low Range

    0.00 to 5.00 mg/L (as Cl2)

    0.01 mg/L

    ±0.03 mg/L ±3% of reading

    Adaptation of the EPA DPD method 330.5

    525 nm

    HI93701-01

    Chlorine, Free High Range

    0.00 to 10.00 mg/L (as Cl2)

    0.01 mg/L

    ±0.03 mg/L ±3% of reading

    Adaptation of the EPA DPD method 330.5

    525 nm

    HI93734-01

    Chlorine, Total Ultra Low Range

    0.000 to 0.500 mg/L (as Cl2 )

    0.001 mg/L

    ±0.020 mg/L ±3% of reading

    Adaptation of the EPA recommended Method 330.5

    525 nm

    HI95761-01

    Chlorine, Total Low Range

    0.00 to 5.00 mg/L (as Cl2)

    0.01 mg/L

    ±0.03 mg/L ±3% of reading

    Adaptation of the EPA DPD method 330.5

    525 nm

    HI93711-01

    Chlorine, Total High Range

    0.00 to 10.00 mg/L (as Cl2)

    0.01 mg/L

    ±0.03 mg/L ±3% of reading

    Adaptation of the EPA DPD method 330.5

    525 nm

    HI93734-01

    Chlorine, Total Ultra High Range

    0 to 500 mg/L (as Cl2)

    1 mg/L

    ±3 mg/L ±3% of reading

    Adaptation of the Standard Methods for Examination of Water and Wastewater, 20th edition, 4500-Cl

    525 nm

    HI95771-01

    Chromium (VI), Low Range

    0 to 300 µg/L (as Cr(VI))

    1 µg/L

    ±10 µg/L ±4% of reading

    Adaptation of the ASTM Manual of Water and Environmental Technology, D1687 Diphenylcarbohydrazide method

    525 nm

    HI93749-01

    Chromium (VI), High Range

    0 to 1000 µg/L (as Cr(VI))

    1 µg/L

    ±5 µg/L ±4% of reading at 25 °C

    Adaptation of the ASTM Manual of Water and Environmental Technology, D1687, Diphenylcarbohydrazide method

    525 nm

    HI93723-01

    Color of Water

    0 to 500 PCU (Platinum Cobalt Units)

    1 PCU

    ±10 PCU ±5% of reading

    Adaptation of the Standard Methods for the Examination of Water and Wastewater, 18th edition, Colorimetric Platinum Cobalt method

    420 nm

     

    Copper, Low Range

    0.000 to 1.500 mg/L (as Cu)

    0.001 mg/L

    ±0.010 mg/L ±5% of reading

    Adaptation of the EPA method

    575 nm

    HI95747-01

    Copper, High Range

    0.00 to 5.00 mg/L (as Cu)

    0.01 mg/L

    ±0.02 mg/L ±4% of reading

    Adaptation of the EPA method

    575 nm

    HI93702-01

    Cyanide

    0.000 to 0.200 mg/L (as CN-)

    0.001 mg/L

    ±0.005 mg/L ±3% of reading

    Pyridine-Pyrazalone

    610 nm

    HI93714-01

    Cyanuric Acid

    0 to 100 mg/L (as CYA)

    1 mg/L

    ±1 mg/L ±15% of reading

    Adaptation of the turbidimetric method

    525 nm

    HI93722-01

    Fluoride, Low Range

    0.00 to 2.00 mg/L (as F)

    0.01 mg/L

    ±0.03 mg/L ±3% of reading

    Adaptation of the Standard Methods for the Examination of Water and Wastewater, 18th edition, SPADNS method

    575 nm

    HI93729-01

    Fluoride, High Range

    0.0 to 20.0 mg/L (as F)

    0.1 mg/L

    ±0.5 mg/L ±3% of reading

    Adaptation of the Standard Methods for the Examination of Water and Wastewater, 18th edition, SPADNS method

    575 nm

    HI93739-01

    Hardness, Calcium

    0.00 to 2.70 mg/L (as CaCO3 )

    0.01 mg/L

    ±0.11 mg/L ±5% of reading

    Adaptation of the Standard Methods for the Examination of Water and Wastewater, 18th edition, Calmagite method

    525 nm

    HI93720-01

    Hardness, Magensium

    0.00 to 2.00 mg/L (CaCO3 )

    0.01 mg/L

    ±0.11 mg/L ±5% of reading

    Adaptation of the Standard Methods for the Examination of Water and Wastewater, 18th edition, EDTA Colorimetric method

    525 nm

    HI93719-01

    Hardness, Total Low Range

    0 to 250 mg/L (as CaCO3 )

    1 mg/L

    ±5 mg/L ±4% of reading

    Adaptation of the EPA recommended method 130.1

    466 nm

    HI93735-00

    Hardness, Total Medium Range

    200 to 500 mg/L (as CaCO3 )

    1 mg/L

    ±7 mg/L ±3% of reading

    Adaptation of the EPA recommended method 130.1

    466 nm

    HI93735-01

    Hardness, Total High Range

    400 to 750 mg/L (as CaCO3 )

    1 mg/L

    ±10 mg/L ±2% of reading

    Adaptation of the EPA recommended method 130.1

    466 nm

    HI93735-02

    Hydrazine

    0 to 400 µg/L (as N2H4 )

    1 µg/L

    ±4% of full scale reading

    Adaptation of the ASTM Manual of Water and Environmental Technology, method D1385, p-Dimethylaminobenzaldehyde method

    466 nm

    HI93704-01

    Iodine

    0.0 to 12.5 mg/L (as I2 )

    0.1 mg/L

    ±0.1 mg/L ±5% of reading

    Adaptation of the Standard Methods for the Examination of Water and Wastewater, 18th edition, DPD method

    525 nm

    HI93718-01

    Iron, Low Range

    0.000 to 1.600 mg/L (as Fe)

    0.001 mg/L

    ±0.010 mg/L ±8% of reading

    Adaptation of the TPTZ Method

    575 nm

    HI93746-01

    Iron, High Range

    0.00 to 5.00 mg/L (as Fe)

    0.01 mg/L

    ±0.04 mg/L ±2% of reading

    Adaptation of the EPA Phenanthroline method 315B, for natural and treated waters

    525 nm

    HI93721-01

    Magnesium

    0 to 150 mg/L (as Mg2+)

    1 mg/L

    ±5 mg/L ±3% of reading

    Adaptation of the Calmagite method

    466 nm

    HI937520-01

    Manganese, Low Range

    0 to 300 µg/L (as Mn)

    1 µg/L

    ±10 µg/L ±3% of reading

    Adaptation of the PAN Method

    575 nm

    HI93748-01

    Manganese, High Range

    0.0 to 20.0 mg/L (as Mn)

    0.1 mg/L

    ±0.2 mg/L ±3% of reading

    Adaptation of the Standard Methods for the Examination of Water and Wastewater, 18th edition, Periodate method

    525 nm

    HI93709-01

    Maple Syrup

    0.00 to 100.00 %T

    0.01 %T

    ±3% of reading

    Direct measure

    560 nm

    HI93703-57

    Molybdenum

    0.0 to 40.0 mg/L (as Mo6+)

    0.1 mg/L

    ±0.3 mg/L ±5% of reading

    Adaptation of the mercaptoacetic acid method

    420 nm

    HI93730-01

    Nickel, Low Range

    0.000 to 1.000 mg/L (as Ni)

    0.001 mg/L

    ±0.010 mg/L ±7% of reading

    Adaptation of the PAN method

    575 nm

    HI93740-01

    Nickel, High Range

    0.00 to 7.00 g/L (as Ni)

    0.01 g/L

    ±0.07g/L ±4% of reading

    Adaptation of the photometric method

    575 nm

    HI93726-01

    Nitrate

    0.0 to 30.0 mg/L (as NO3 - N)

    0.1 mg/L

    ±0.5 mg/L ±10% of reading

    Adaptation of the cadmium reduction method

    525 nm

    HI93728-01

    Nitrate, Chromotropic Acid

    0.0 to 30.0 mg/L (as N03--N)

    0.1 mg/L

    ±1.0 mg/L or ±3% of reading

    Chromotropic acid method

    410 nm

    HI93766-50

    Nitrite, Marine Ultra Low Range

    0 to 200 µg/L (as N02-N)

    1 µg/L

    ±10 µg/L ±4% of reading

    Adaptation of the EPA Diazotization method 354.1

    466 nm

    HI764-25

    Nitrite, Low Range

    0 to 600 µg/L (as NO2 -N)

    1 µg/L

    ±20 µg/L ±4% of reading

    Adaptation of the EPA Diazotization method 354.1

    466 nm

    HI93707-01

    Nitrite, High Range

    0 to 150 mg/L (as NO2-)

    1 mg/L

    ±4 mg/L ±4% of reading

    Adaptation of the Ferrous Sulfate method

    575 nm

    HI93708-01

    Nitrogen, Total Low Range

    0.0 to 25.0 mg/L (as N)

    0.1 mg/L

    ±1.0 mg/L or ±5% of reading

    Chromotropic acid method

    420 nm

    HI93767A-50

    Nitrogen, Total High Range

    10 to 150 mg/L (as N)

    1 mg/L

    ±3 mg/L or ±4% of reading

    Chromotropic acid method

    420 nm

    HI93767B-50

    Oxygen, Dissolved

    0.0 to 10.0 mg/L (as O2 )

    0.1 mg/L

    ±0.4 mg/L ±3% of reading

    Adaptation of the Standard Methods for the Examination of Water and Wastewater, 18th edition, Azide modified Winkler method

    420 nm

    HI93732-01

    Oxygen Scavengers (Carbohydrazide)

    0.00 to 1.50 mg/L (as Carbohydrazide)

    0.01 mg/L

    ±0.02 mg/L ±3% of reading

    Adaptation of the iron reduction method

    575 nm

    HI96773-01

    Oxygen Scavengers (Diethylhydroxylamine)(DEHA)

    0 to 1000 µg/L (as DEHA)

    1 µg/L

    ±5 µg/L ±5% of reading

    Adaptation of the iron reduction method

    575 nm

    HI96773-01

    Oxygen Scavengers (Hydroquinone)

    0.00 to 2.50 mg/L (as Hydroquinone)

    0.01 mg/L

    ±0.04 mg/L ±3% of reading

    Adaptation of the iron reduction method

    575 nm

    HI96773-01

    Oxygen Scavengers (Iso-ascorbic Acid)

    0.00 to 4.50 mg/L (as Iso-ascorbic acid)

    0.01 mg/L

    ±0.03 mg/L ±3 % of reading

    Adaptation of the iron reduction method

    575 nm

    HI96773-01

    Ozone

    0.00 to 2.00 mg/L (as O3 )

    0.01 mg/L

    ±0.02 mg/L ±3% of reading

    Colorimetric DPD Method

    525 nm

    HI93757-01

    pH

    6.5 to 8.5 pH

    0.1 pH

    ±0.1 pH

    Adaptation of the Phenol Red method

    525 nm

    HI93710-01

    Phosphorus, Marine Ultra Low Range

    0 to 200 µg/L (as P)

    1 µg/L

    ±5 µg/L ±5% of reading

    Adaptation of the Standard Methods for the Examination of Water and Wastewater, 20th edition, Ascorbic Acid method

    610 nm

    HI736-25

    Phosphate, Low Range

    0.00 to 2.50 mg/L (as PO4 3-)

    0.01 mg/L

    ±0.04 mg/L ±4% of reading

    Adaptation of the Ascorbic Acid method

    610 nm

    HI93713-01

    Phosphate, High Range

    0.0 to 30.0 mg/L (as PO4 3-)

    0.1 mg/L

    ±1.0 mg/L ±4% of reading

    Adaptation of the Standard Methods for the Examination of Water and Wastewater, 18th edition, Amino Acid method

    525 nm

    HI93717-01

    Phosphorous, Reactive Low Range

    0.00 to 1.60 mg/L (as P)

    0.01 mg/L

    ±0.05 mg/L or ±4% of reading

    Adaptation of the EPA method 365.2 and Standard Methods for the Examination of Water and Wastewater, 20th edition, 4500-P E, ascorbic acid method.

    610 nm

    HI93758A-50

    Phosphorous, Reactive High Range

    0.0 to 32.6 mg/L (as P)

    0.1 mg/L

    ±0.5 mg/L or ±4% of reading

    Adaptation of the Standard Methods for the Examination of Water and Wastewater, 20th edition, 4500-P C, vanadomolybdophosphoric acid method.

    420 nm

    HI93763A-50

    Phosphorous, Acid Hrdyolyzable

    0.00 to 1.60 mg/L (as P)

    0.01 mg/L

    ±0.05 mg/L or ±5% of reading

    Adaptation of the EPA method 365.2 and Standard Methods for the Examination of Water and Wastewater, 20th edition, 4500-P E, ascorbic acid method.

    610 nm

    HI93758B-50

    Phosphorous, Total Low Range

    0.00 to 1.15 mg/L (as P)

    0.01 mg/L

    ±0.05 mg/L or ±6% of reading

    Adaptation of the EPA method 365.2 and Standard Methods for the Examination of Water and Wastewater, 20th edition, 4500-P E, ascorbic acid method.

    610 nm

    HI93758C-50

    Phosphorous, Total High Range

    0.0 to 32.6 mg/L (as P)

    0.1 mg/L

    ±0.5 mg/L or ±5% of reading

    Adaptation of the Standard Methods for the Examination of Water and Wastewater, 20th edition, 4500-P C, vanadomolybdophosphoric acid method.

    420 nm

    HI93763B-50

    Potassium, Low Range

    0.0 to 20.0 mg/L (as K)

    0.1 mg/L

    ±2 mg/L ±7% of reading

    Adaptation of the Turbidimetric Tetraphenylborate method

    466 nm

    HI93750-01

    Potassium, Medium Range

    10 to 100 mg/L (as K)

    1 mg/L

    ±10 mg/L ±7% of reading

    Adaptation of the Turbidimetric Tetraphenylborate method

    466 nm

    HI93750-01

    Potassium, High Range

    20 to 200 mg/L (as K)

    1 mg/L

    ±20 mg/L ±7% of reading

    Adaptation of the Turbidimetric Tetraphenylborate method

    466 nm

    HI93750-01

    Silica, Low Range

    0.00 to 2.00 mg/L (as SiO2 )

    0.01 mg/L

    ±0.03 mg/L ±3% of reading

    Adaptation of the ASTM Manual of Water and Environmental Technology, D859, Heteropoly Molybdenum Blue method

    610 nm

    HI93705-01

    Silica, High Range

    0 to 200 mg/L (as SiO2 )

    1 mg/L

    ±1 mg/L ±5% of reading

    Adaptation of the USEPA Method 370.1 for drinking, surface and saline waters, domestic and industrial wastes and Standard Method 4500-SiO2

    466 nm

    HI96770-01

    Silver

    0.000 to 1.000 mg/L (as Ag)

    0.001 mg/L

    ±0.020 mg/L ±5% of reading

    Adaptation of the PAN method

    575 nm

    HI93737-01

    Sulfate

    0 to 150 mg/L (as SO42-)

    1 mg/L

    ±5 mg/L ±3% of reading

    Sulfate is precipitated with barium chloride crystals

    466 nm

    HI93751-01

    Surfactants, Anionic

    0.00 to 3.50 mg/L (as SDBS)

    0.01 mg/L

    ±0.04 mg/L ±3% of reading

    Adaptation of the USEPA method 425.1 and Standard Methods for the Examination of Water and Wastewater, 20th edition, 5540C, Anionic Surfactants as MBAS

    610 nm

    HI95769-01

    Zinc

    0.00 to 3.00 mg/L (as Zn)

    0.01 mg/L

    ±0.03 mg/L ±3% of reading

    Adaptation of the Standard Methods for the Examination of Water and Wastewater, 18th edition, Zincon method

    575 nm

    HI93731-01

     
     General meter: 

    Wavelength Range

    340 to 900 nm

    Wavelength Resolution

    1 nm

    Wavelength Accuracy

    ±1.5 nm

    Measurement Modes

    Transmittance (% T), absorbance (abs), concentration with choice of units (ppm, mg/L, ppt, ºf, ºe, ppb, meq/L, μg/L, PCU, Pfund, pH, dKH, ºdH, meq/kg or no measurement unit)

    Wavelength Selection

    automatic, based on the selected method (editable for user methods only)

    Light Source

    tungsten halogen lamp

    Optical System

    split beam sample and reference light detectors

    Wavelength Calibration

    internal, automatic at power-on, visual feedback

    Stray Light

    <0.1 % T at 340 nm with NaNO2

    Spectral bandwidth

    5 nm (full width at half maximum)

    Sample Cell

    16 mm round, 22 mm round, 13 mm vial, 10 mm square, 50 mm rectangular (with automatic detection)

    Programs (Factory/User)

    up to 150 factory (85 pre-loaded); up to 100 user developed

    Data Points Stored

    up to 9999 measured values

    Export Capability

    .csv file format, .pdf file format

    Connectivity

    (1) USB - A (mass storage host); (1) USB - B (mass storage device)

    Battery Type / Life

    3000 measurements or 8 hours

    Power Supply

    15 VDC power adapter; 10.8 VDC Li-Ion rechargeable battery

    Environment

    0 to 50 °C (32 to 122 °F); 0 to 95% RH

    Dimensions

    155 x 205 x 322 mm (6.1 x 8.0 x 12.6")

    Weight

    3 kg (6.6 lbs)

    Ordering Information

    HI801 is supplied with 22 mm sample cuvette and cap (4), 10 mm square, 13 mm round and 16 mm round cuvette adapters, cloth for wiping cuvettes, scissors, USB cable, lithium ion rechargeable battery, 115VAC to 15VDC power adapter, USB drive, instruction manual, and instrument quality certificate.

     

  • Superior design for superior results.
    - iris can test a wide variety of analytical measurements and is capable of measuring in a spectral range of 340 nm to 900 nm.
    - With the compact design of its advanced optical system, iris can be used in almost any sized space while providing accurate and consistent results. The split beam optical system allows iris to automatically compensate for any drift in light source, resulting in superior accuracy.
    No need for measurement conversions.
    - Whether you are testing for chlorine or running enzymatic assays, our spectrophotometer will conveniently display results in the units that matter most to you. iris can measure in transmittance, absorbance, and concentration based on your need.
    The convenience of pre-programmed methods with the option to expand.
    - iris comes pre-programmed with more than 80 commonly used chemical analysis methods to help you get started. Simply update these methods by connecting to a computer or flash drive.
    - Customize your iris with up to 100 personal methods. iris will guide you through the method creation process step-by-step. For added versatility, each method can include up to 10 calibration points, five different wavelengths, and up to five reaction timers.
    - Easily access your favorite methods directly from the home screen to save time.
    - Built in timers make make measuring seamless. The countdown timer displays the time remaining until a measurement will be taken, ensuring consistent results between measurements and users. If you get stuck, the tutorial mode will walk you through the steps.
    Change sample size easily.
    - With our universal cuvette holder and auto-recognition feature, cuvette sizes can be changed when needed. The programmed cuvette size will be displayed on the screen every time you test to ensure that the proper path length is being used by the meter when calculating measurements for correct results.
    Worry free replacements.
    - iris uses a tungsten-halogen lamp for greater energy efficiency, longer service life, and improved light quality for a wide variety of wavelengths. Replacement lamps are shipped pre-aligned and ready for installation so that you can get back to testing.
    Designed for dynamic environments.
    - iris' compact profile and long-lasting battery make it easy to set up anywhere in your lab. The rechargeable lithium ion battery lasts for 3,000 measurements, or 8 hours – well over a full day of use out in the field.
    Quality data without the hassle.
    - Export your results with a USB drive or direct PC link organized by sample ID, method, or date range. Save data as a .pdf or .csv for maximum data integrity or flexibility – all without the use of specialized software.
    Menu navigation that makes sense.
    - Quickly navigate between screens with custom keys, and access your favorite methods directly from the home screen with our “favorite methods” feature.
    Sort and share your data.
    - Save data as a .pdf or .csv for maximum data integrity or flexibility. Have the freedom to choose the file format that's best for you.
    All of your important information is easily visible.
    - With a 6” display, the screen is large and easy to read. The high contrast makes every character on the display stand out even during outdoor use. The wide viewing angle allows for measurements to be seen from far away, so while working around the lab it is not necessary to hover over the meter to see the measurements.
    Zero resistance with a capacitive touch pad.
    - Menu buttons are part of the display. Built to be fully sealed and easy to clean, the meter recognizes key touches even through gloves.
     
     
     
     
     

 
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