Measurement Devices of the Van Vlack Undergraduate Laboratory

Prepared by:

J. Scanlon


2224 HH Dow


The following materials and equipment associated with this procedure present exposure or physical health hazards. Safety precautions are prudent and mandatory.


Prior to performing this procedure, the following safety equipment must be accessible and ready for use: (e.g. chemical fume hood, biological safety cabinet, laminar flow hood, chemical spill kits)

Protective Equipment:

Prior to performing this procedure, the following personal protective equipment must be obtained and ready for use: (e.g. acid resistant gloves, safety eyewear, lab coat, chemical splash apron)

Waste Disposal:

This procedure will result in the follow regulated waste which must be disposed of in compliance with environmental regulations.


In the event that a hazardous material spills during this procedure, be prepared to execute the emergency procedure below.


The following is a list of all the length measurement devices (and quantity) within the Van Vlack Undergraduate Laboratories:

  • calipers(6)
  • micrometers (15)
  • rulers (15)
  • balances (4)
  • temperature measurement devices (5)

all items are found in 2224B HH Dow except otherwise noted...


CALIPERS (quantity-6)

Mitutoyo Absolute Digimatic Calipers - 500-196-20 (quantity - 4manualwebsite)

  • Large and clear LCD readout.
  • The ZERO/ABS key allows the display to be Zero-Set at any slider position along the scale for incremental comparison measurements. This switch will also allow return to the absolute (ABS) coordinate and display of the true position from the origin point (usually jaws-closed point).
  • Data Hold Unit (959143) is optional.
  • Carbide-tipped jaw type calipers are also available.
  • With thumb roller. Except 500-500-10, 500-501-10,500-502-10.
  • Supplied in fitted plastic case. Except 1000mm / 40” supplied in wooden case.
Technical Data

Accuracy: Refer to the list of specifications
Resolution: 0.01mm or .0005"/0.01mm
Repeatability: 0.01mm / .0005” 
Display: LCD
Length standard: ABSOLUTE electrostatic capacitance type
linear encoder
Max. response speed: Unlimited
Battery: SR44 (1 pc.), 938882
Battery life: Approx. 3.5 years under normal use

Origin-set, Zero-setting, Data output, inch/mm conversion
(inch/mm models ONLY
Alarm: Low voltage, Counting value composition error


Aerospace Metric Shock-proof Calipers (quantity-1, manual, website)
  • 0-15cm range, 0.02mm GRAD
  • Analog Dial
  • w/ lock nut

Brown & Sharpe Calipers (quantity-1, manual, website)
  • 0-6inches, 0.001inch GRAD
  • Analog Dial
  • w/ lock nut

MICROMETERS (quantity-13)


Mitutoyo Outside Micromter (quantity-3manualwebsite)
  • 0-25mm range, 0.01mm GRAD
  • outside micrometer
  • w/ friction thimble

Mitutoyo No 193-111 (quantity-1, manual, website)
  • 0-25mm range, 0.001mm GRAD
  • outside micrometer
  • w/ ratchet stop
  • w/ lock nut

Starrett 436MRL (quantity-1, manual, website)
  • 0-25mm range, 0.01mm GRAD
  • w/ ratchet stop
  • w/ lock nut

Starrett 230 (quantity-2, manual, website)
  • 0-1inch range, 0.0312inchGRAD
  • w/ ratchet stop
  • w/ lock nut

Starrett set of depth micrometers (quantity-1, manual, website)
  • 0-1inch, 1-2inch, 2-3inch, 3-4inch, 4-5inch, 5-6inch, 0.0312inchGRAD
  • w/ ratchet stop
  • w/ lock nut

Starrett 436P-1 (quantity-2, manual, website)
  • 0-1inch range, 0.0312inchGRAD

Lufkin No, 1912(quantity-1, manual, website)
  • 1-2inch range, 0.0312inchGRAD

Companion Set of 3 micrometers (quantity-1, manual, website)
  • 1-2inch, 2-3inch, and 3-4inch range , 0.0312inchGRAD
  • all w/ ratchet stop
  • all w/ lock nut

RULERS (quantity-15)


Large Scale Rulers(<12inches):
  • Stainless Steel Ruler: 0-36inch scale -  1/8inch & 1/16inch GRAD (supply cabinet in 2224 Dow)
  • >Stainless Steel Ruler: 0-24inch, 0-61cm scale - 1/16inch & 1mm GRAD (supply cabinet in 2224 Dow)
  • Plastic (quantity-2): 0-12inch, 0-30cm scale - 1/16inch & 1mm GRAD (supply cabinet in 2224 Dow)
  • Plastic, BATES SYSTEM 3000 Word Processing Scale: 0-15inch scale - 1/10inch, 1/8inch, 1/6inch GRAD (supply cabinet in 2224 Dow)

Small Scale Rulers(>12inches):
  • Wood: 0-6inch scale - 1/16inch GRAD (supply cabinet in 2224 Dow)
  • Plastic w/ metal edge: 0-15cm scale - 1mm GRAD (supply cabinet in 2224 Dow)
  • Stainless Steel(quantity-3):  0-6inch, 0-15.5cm scale - 1/16inch, 1/32inch, 1/64inch, 0.5mm, 1mm GRAD
  • Stainless Steel w/ Conversion table on back - 0-150mm scale - 0.5mm, 1mm GRAD
  • Stainless Steel: 0-6inch scale - 1/64inch and 1/32inch GRAD
  • Stainless Steel: 0-6inch, 0-150mm scale - 1/32inch, 1/64inch, 0.5mm, 1mm GRAD

Tape Measure:
Stanley Powerlock (quantity-2): 0-16feet, 0-5meter scale - 1/16inch, 1mm GRAD

Calibration Slides (for microscope scale calibration):
Olympus Objective Micrometer
  • 0-1mm scale
  • 0.01mm GRAD
SPI supplies Stage Micro Reflec Light
  • 0-1mm scale
  • 0.01mm GRAD

BALANCES (quantity-4)


Denver Instruments - XP-300 Top loading balance (manual) (Countertop in 2224 Dow)
  • Weighing Range: 0-300g
  • Readability: 0.01g
  • Linearity: ±0.01g
Mettler Toledo - PB3002 Top loading balance (manual)
  • Weighing Range: 0-3100g
  • Readability 0.01g
  • Linearity ±0.03g
  • Replacement model MS3002S with a price of $ 2,340.00
Mettler Toldeo PM4600 Top loading balance (manual) (drawer in 2231 Dow)
  • Weighing Range: 0-4100g
Perkin Elmer AD-6 Ultra microbalance (manual and device located next to Perkin Elmer DSC6 in 2224 Dow)
  • Resolution to 0.1 µg
  • Weighing range of 0.1 µg to 1000 mg

We also have calibration weight from Denver Instruments 20g to 200g and a 100mg calibration from Perkin Elmer.

Temperature Measuring Devices (quantity-5)


Glass/Metal Style Thermometer (quantity-3)
  • -20 to 150°C
  • 1°C GRAD
Raytek Raynger ST20 (info)
  • -32 to 535°C
  • 500 msec reading response time
Thermocouple Reader
  • k-type thermocouples


Last Revision:

May 22, 2024