RCYAGO Portable Dissolved Oxygen and Temperature Meter, DO Range: 0-40.00 mg/L, 0.1 mg//L Resolution, Digital Dissolved Oxygen Meter with Electrode Filling Fluid (No Backlight)

  • ..., needn't open the protective cover of the electrode, just put the electrode in the solution for measurement..
  • Detachable probe, easy to replace, equipped with 6 probe protective covers. The film inside the protective cover cannot be taken apart. After using for a period of time, the test value is inaccurate and the calibration is still inaccurate, and the membrane sleeve needs to be replaced..
  • Adopts the digital screen display, which is more clear and convenient to read data. Auto power-off in 8 minutes if not using it. Low battery indication. Oxygen solubility will be affected by temperature, atmospheric pressure, and salinity. Our instrument with temperature compensation can meet normal use..
  • It is very suitable for measuring the dissolved oxygen level and temperature in a wide range of aquariums, swimming pools, ponds, freshwater aquaculture, marine aquaculture, school teaching experiments, laboratory sterile environment, aquaculture, scientific research, and other fields..
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Planet Waves NS Micro Violin Tuner - Violin Clip On Tuner - Digital Violin Tuner - Black

  • VIOLIN TUNER CLIP ON - Features a non-marring, lever-lock clamp that holds the tuner securely to the instrument while allowing easy application and removal..
  • TUNES FROM VIBRATION - Built-in piezo transducer picks up instrument's vibration rather than sound.
  • LCD SCREEN - Tri-color reversible backlit LCD screen makes it easy to tune in dark environments.
  • CALIBRATION - Wide calibration range (410Hz to 480Hz).
  • FOR VIOLINS OR VIOLAS - Tunes both violins and violas.
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Fluke - 117CAL 117 Electricians True RMS Multimeter with a NIST-Traceable Calibration Certificate with Data

  • Your unit is calibrated prior to shipment with a new nist-traceable calibration Certificate with data.
  • The NIST calibration provides you assurance your instrument Meets manufacturer’s specifications. Your instrument is ready to Use day one meeting most quality system standards.
  • Highly visible LED screen with white back light.
  • Ergonomically designed compact size provides easy one-handed operation.
  • Ideal for Commercial applications that require demanding settings.
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Fluke - 971CAL 971 Temperature Humidity Meter with Backlit Dual Display with a NIST-Traceable Calibration Certificate with Data

  • Your unit is calibrated prior to shipment with a new nist-traceable calibration Certificate with data.
  • The NIST calibration provides you assurance your instrument Meets manufacturer’s specifications. Your instrument is ready to Use day one meeting most quality system standards.
  • Ergonomic design with belt clip and protective holster.
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SunGrow Measure Salinity of Water with Aquarium Refractometer Remarkable Accuracy Includes Calibration Tool Ensures Overall Health of Plant and Marine Life Easy and Clear Reading

  • ✔ SPECIFICALLY DESIGNED REFRACTIVE INDEX READER FOR SALTWATER AQUARIUM--The algorithm is made specifically for testing seawater and saltwater. This....
  • ✔ AUTOMATIC TEMPERATURE CALIBRATION --- The calibration process should be carried out with both the room and the instrument at 68° F. The....
  • ✔ EASY AND CLEAR READING FOR SALTWATER AQUARIUMS AND REEF TANKS--- The refractometer comes with a focus adjustment on the eyepiece, this will give....
  • ✔ COMES IN A SOLID CASE INCLUDES PIPETTE AND CALIBRATION TOOL --- This well-established instrument is not only built extremely well, but it comes....
  • ✔ KEEP YOUR FISH AND PLANT LIFE IN OPTIMAL HEALTH--- Pure saltwater is crucial for the vitality of your marine or reef aquarium. Use our product to....
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SEC-01 Size Estimation Chart (Transparency) with Ruler

  • Imaging: Charts are first generation for increased accuracy. Imaged at 4000 DPI or greater..
  • Material: Fuji .007 polyester dimensionally stable lithographic film..
  • Calibration (not certified): A densitometer is used to calibrate the imaging equipment. A Bishop Certified glass scale and an Edmund Scientific 60 power microscope to measure each stated feature.
  • Accuracy: We guarantee the film when manufactured is accurate at the following specifications. DMIN:0.08 or less DMAX: 4.0 or greater Line Width less than .0004 of original feature with Geometric and Scaling Accuracy: +/-.0025” over 24” Accuracy at your facility may be affected by storage and handling.
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99.999% by Volume Nitrogen Calibration Gas, 17 Liter Steel Cylinder.

  • WIDE RANGE OF COMPATIBILITY: Most calibration accessories are designed for use with more than one instrument. Calibration cylinders are also conveniently compatible for use with the GALAXY GX2 Test System so they fit easily with other components and ensure a comprehensive safety evaluation.
  • MULTI-GAS TANK: The calibration gases within the cylinder are 1.45 % CH4 (Methane), 15% O2 (Oxygen), 60 PPM CO (Carbon Monoxide), 20 PPM H2S (Hydrogen Sulfide).
  • RECYCLABLE CYLINDER: MSA promotes recycling of Model R, Model RP, and Econo-Cal Calibration Cylinders. The calibration gas recycling program benefits a non-profit organization where cylinders are not refilled.
  • they are salvaged for scrap. Simple recycling instructions are included with every eligible cylinder..
  • RFID-TAGGED FOR EASY TRACKING: RFID technology and software offer convenient setup, recordkeeping, automatic calibration cylinder recognition, cylinder pressure, expiration warnings, and status of multiple cylinders simultaneously.
  • SAFETY & COMPLIANCE: All MSA calibration gas is supplied with individual Certificate of Analysis to NIST-traceable standard and MSDS. Cylinders, testing systems, and detectors also meet all applicable OSHA regulations and follow relevant safety standards in markets they ....
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Starrett 98-8TCAL Precision Machinists' Level with Main and Cross-Test Vials with a NIST-Traceable Calibration Certificate with Data, 8'

  • Your unit is calibrated prior to shipment with a new NIST-traceable calibration Certificate with data.
  • The NIST calibration provides you assurance your instrument Meets manufacturer’s specifications. Your instrument is ready to Use day one meeting most quality system standards.
  • Cross-test vial enables simultaneous leveling in two directions.
  • 8" precision machinists' spirit level with a main vial and a cross-test vial for determining horizontal plane.
  • Graduated, ground glass main vial has a sensitivity of 0.42 mm/m or 80 to 90 seconds and is adjustable to a positive setting for accurate results.
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Chi c'è...c'è

  • Starter set with portable, water-resistant meter for testing pH, electroconductivity, and total dissolved solids, provided with solutions and sachets.
  • Calibration check function to validate instrument performance.
  • Automatic temperature compensation (ATC) to eliminate the need for extra calculations.
  • Alert system when low battery and potential measurement error.
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Sudoku 10,000 Trial

  • Starter set with portable, water-resistant meter for testing pH, electroconductivity, and total dissolved solids, provided with solutions and sachets.
  • Calibration check function to validate instrument performance.
  • Automatic temperature compensation (ATC) to eliminate the need for extra calculations.
  • Alert system when low battery and potential measurement error.
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Starrett 98Z-12TCAL Precision Machinists' Level in Finished Wood Case, 12' Length with a NIST-Traceable Calibration Certificate with Data

  • Your unit is calibrated prior to shipment with a new NIST-traceable calibration Certificate with data.
  • The NIST calibration provides you assurance your instrument Meets manufacturer’s specifications. Your instrument is ready to Use day one meeting most quality system standards.
  • Cross-test vial enables simultaneous leveling in two directions.
  • 12" precision machinists' spirit level with a main vial and a cross-test vial for determining horizontal plane and a plumb vial for determining vertical plane.
  • Graduated, ground glass main vial has a sensitivity of 0.42 mm/m or 80 to 90 seconds and is adjustable to a positive setting for accurate results.
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Spectrophotometer 4 LDC 721 Digital Lab Visible Wavelength Range 350-1020nm Wave Tungsten Lamp Equipment 110V Photometer USA Stock

  • ★ The product is an economical analytical instrument with RS232 (not included) interface output. Digital display measurement value.
  • ★ Automatic light door, automatic zero adjustment and 100 instrument calibration, Excellent metering accuracy is higher than that of the same instrument.
  • ★ Use original imported tungsten lamp to ensure the service life of the instrument.
  • ★ Large sample room, can hold up to 10cm cuvette, It is widely used in medical testing, food, petrochemical industry, environmental protection and monitoring.
  • ★ Optional output port RS232, which can connect printer and connect computer function.
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Hornady G3-1500 Electronic Scale, 050104 - Portable Battery Operated Digital Pocket Scale to Weigh Bullets, Cases, Trickle Powder & More Up to 1500 Grain Capacity with 0.1 Accuracy & Reliable Results

  • ...ain Capacity - ideal for weighing large quantities of cases, cartridges, bullets, powder, and similar materials. Reloading scales for ammunition are important to have to know the exact amount of powder that goes into each case ensuring maximum potential and safety.
  • For the Reloading Enthusiast - enjoy quick and easy calibration with this precision instrument. This Hornady electronic scale is designed with a small, compact footprint so it takes up less space. Requires two AAA batteries (not included). Includes 10 gram calibration weight, powder scale pan, draft cover, and LCD touch screen display.
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