ReviewsOptical Comparator

Salifert Nitrate Test Kit

  • The nitrate test kit provides fast and precise nitrate measurements.
  • The nitrate test kit can perform up to 60 tests.
  • The nitrate test kit comes with reagents analytic, grade glass vials, and a calorimetric comparator.
  • Package Dimensions: 12.8 L x 10.6 W x 4.6 H (cm).
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Hiletgo 5pcs SW-420 Vibration Sensor Module Vibration Switch Alarm Sensor Module for Arduino

  • Output format: Digital switching output (0 and 1).
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Starrett 1150 Bench Stand For Dial Indicator Snap Gauges

  • Optional accessory for dial indicator snap gauges.
  • A bench stand is available to convert the gauge to a bench comparator.
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Bylot Comparator B2000 Compatible with Any Set of Calipers

  • It can also be used to check the uniformity of the bullet from the base to the target.
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Schwinn 12 Function Computer

  • 12-Function: Current Speed, Average Speed, Max Speed, Speed Comparator, KM/MPH, Auto Start/Stop.
  • Distance Functions - Odometer, Trip Distance.
  • Everyday Functions - Trip Timer, 12/24 hr Clock, Scan, Auto Power Off.
  • New mounting strap makes it easy to install and remove on any bike.
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See the Light

  • 6-Way Test Kit for Total Acidity, Total Bromine, Total Chlorine, and pH..
  • Equipped with Testing Block, Carrying Case, and Instructions..
  • System: Drop Test and sureCHECK comparator.
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Taylor Technologies Deluxe DPD Pool and Spa Water Test Kit - K-2005 81330

  • Tests for Chlorine, Bromine, pH, Total acidity, Calcium Hardness and Cyanuric Acid.
  • Features hard shell case, easy to read comparator, .75 ounce reagents, and color coded instructions.
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Gar Surface Roughness Scale C-9 Cast Mocrofinish Surface Comparator

  • There are nine replicated cast surface finish specimens ranging from 20 to 900 microinches..
  • The C-9 cast microfinish comparator is rectangular in shape (4 1/2"x 3 1/4") and is a corrosion resistant electroformed nickel duplicate of actual cast surfaces..
  • Supplied in a leatherette case with engineering data and instructions..
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Surface Finish Comparator-Nickel

  • Specimen Surface Roughness Comparator Composite Pocket Set Gauge 30 Pc.
  • Each Type Of Surface Finish Is Truly And Consistently Reproduced, With A Realistic Idea Of The Feel, Appearance, And Texture Of The Machined Components.
  • Conforms To S.A.E And Military Specifications.
  • Wallet Overall Dim (Fully Closed) L x W x H (in): 6 x 3 x 3/8*Estimated*.
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Planet Bike Protégé 9.0 bike computer

  • 9 functions: current speed, speed comparator, ride time, trip distance, dual odometer (for 2 wheel sizes), average speed, maximum speed, clock, and temperature.
  • 4-line MacroMonitorTM LCD displays up to 5 pieces of data at a glance.
  • Mounting hardware includes: 25.4-31.8mm handlebar bracket and 82 cm wired front wheel mounting kit.
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Taylor K-1000 Basic Residential OT DPD Swimming Pool & Spa Test Kit (2 Pack)

  • Taylor K-1000 Basic Residential Test Kit.
  • Tests for Total Chlorine, Bromine, and pH.
  • Flip side of the instruction card has dosage charts so you can translate test results into treatment.
  • The Taylor K1000 Pool & Spa Test Kit includes:.
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