Reviews Optical Comparator

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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Luster Leaf MO1612 Biologic Soil pH Tester

  • The first step to any Food Plot should be a Soil Test for pH.
  • Includes 10 tests for analyzing the pH level in different spots in your Food Plot.
  • Simple DIY instructions included and provides quick results.  No mail in necessary.
  • Guidelines included via link for information on different Food Plot varieties.
  • Innovative kit features an easy-to-use capsule system and patented color comparator.
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1PC Sturdy Reliable Iron Coin Door Access, Coin Acceptor for Game Machine

  • Small coin door suitable for our coin comparator and coin plates for arcade game..
  • Home arcade coin door is made of steel with forging finish..
  • Allows easy access to cabinet, cash box, etc..
  • Iron steel material, strong enough for most cabinet..
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Taylor K-1000 Basic Residential Pool & Spa Test Kit

  • Taylor K-1000 Basic Residential Test Kit tests for total chlorine (0.5-5 ppm), bromine (1-10 ppm), and pH (6.8-8.2 ppm).
  • Flip side of the instruction card has dosage charts so you can translate test results into treatment.
  • Pool & spa test kit includes 2-chamber comparator, 0.75 ounces orthotolidine (OT) and 0.75 ounces Phenol Red.
  • Includes enough materials for over 100 tests.
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Texas Instruments/National Semiconductor LM339N LM339 Quad Comparator ICS (Pack of 8)

  • 8-PACK National Semiconductor LM339N LM339 Quad Comparator ICs.
  • DIP14 Wide Range of Supply Voltage - Single Supply: 2 V to 36 V Dual Supplies: ±1 V to ±18 V.
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ON Semiconductor LM339DR2G Amplifier; Comparator, Quad Single Supply 14-Pin SOIC (Nonreturnable) (10 pieces)

  • Low Supply-Current Drain Independent of Supply Voltage: 0.4 mA (Typical) Per Comparator.
  • Low Input Offset Current: 3 nA (Typical).
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