Precision Measuring Tools


  • Calipers, Micrometer, and Indicator Available
  • Analog Dial or High-Resolution Digital Readouts
  • Measurements Made in Imperial or Metric Units

DIGC6

6" (150 mm) Digital Caliper

CPM1

0-1" Digital Micrometer

DGM05

1/2" (12.7 mm)
Digital Indicator
(Includes Barrel Adapter)

Ø3/8" to Ø1/2" Barrel Adapter

ANC6

6" Dial Caliper

DIGCBT1

Bluetooth Wireless
Transmitter

Related Items


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Calipers, like these DIGC4D Digital Calipers with a DIGCBT1 Bluetooth Wireless Transmitter attached, can be used for tasks like quality control.

Features

  • Precision Measurement Tools for Dimensions Up to 12.00" (300 mm)
  • Digital Measurement Tools Convert from Imperial to Metric with the Push of a Button
  • Digital Calipers with SPC Data Output, Digital Micrometer, and the Digital Indicator Support Data Output Options

Thorlabs provides several tools for making precision measurements or inspections, including dial calipers, digital calipers (with and without SPC data output), a micrometer, and an indicator. These high-quality precision measuring tools are useful in both research and industrial environments, with applications ranging from inspecting parts for quality control to setting up components in an optomechanical system.

Our calipers can perform four methods of measurement: inside, outside, step, and depth (see figures below). Inside measurements can be made by using the upper set of jaws, while outside measurements can be made using the lower jaws. Step measurements can be made using the back of the caliper jaws to find the depth of a step. Depth measurements can be made using the depth rod or blade at the end of the calipers.


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Depth Measurement Using
ANC8 Dial Calipers

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Step Measurement Using DIGC4D Digital Calipers with SPC Data Output

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Outside Measurement Using
ANC8 Dial Calipers

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Inside Measurement Using
DIGC8 Digital Calipers

Enabling Wireless Data Transmission for Calipers

To use the DIGCBT1 Bluetooth Wireless Transmitter, you will need to attach the transmitter to a pair of calipers with SPC (Statistical Process Control) data output capability (Item # DIGCxD) and download the required software. Please attach the transmitter to the calipers using the following steps:

Step 1: Turn the calipers towards you so that the data output port is visible. If your calipers do not have this port, then the calipers are not compatible with the DIGCBT1 (see first figure).
Step 2: The DIGCBT1 comes in two pieces. Securely attach the two parts together with the included screwdriver before use (see second figure).
Step 3: Flip the DIGCBT1 so that the manufacturer's logo is facing away from the calipers, and align the transmitter with the caliper data output port (see third figure).
Step 4: Connect the DIGCBT1 securely to the caliper (see fourth figure).


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Press the DIGCBT1 firmly into place for a good connection.

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To attach the DIGCBT1 to the DIGC4D, align the transmitter so that the red button is on top and the logo is facing away from the caliper.

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Attach the DIGCBT1 Bluetooth Wireless Transmitter parts together with a screwdriver.

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Calipers with an SPC data output port, such as the DIGC4D shown here, can be used with a cable (Item # CAB-SPC1) or Bluetooth transmitter (Item # DIGCBT1) to transfer data.

U-Wave®* Software for the DIGCBT1 Bluetooth Wireless Transmitter

Software

Version 1.0.5 (May 8, 2025)

Click the button below to visit the U-Wave® software page.

Software Download
Recommended System Requirements
Operating System Windows® 10 or 11 Professional, 64 Bit Required
Wireless Protocol Bluetooth 4.0 or Later
Communication Range Up to Approx. 10 m
(Within Visible Range)
Communication Frequency 2.4 GHz

The U-Wave software package is used to transfer measurement data over Bluetooth to your chosen computer software. Using the DIGCBT1 transmitter and U-Wave software, up to 7 different measurement tools can be connected to a single computer or tablet that runs Windows®. Compatible devices must have Bluetooth functionality to work with this software. More information can be found in the device manual downloaded with the software.

To export measurement data to a mobile device, Mitutoyo's U-WAVEPAK-BM app can be found in your app store.

*U-Wave is a registered trademark of Mitutoyo.


Posted Comments:
Joseph Donovan  (posted 2023-08-22 13:25:10.697)
Hi, I noticed an error in the product listing. The description says "Contact Points Carbide-Tipped" However these caliper are just hardened steel, not carbide tipped (these are Mitutoyo 500-196-30, the carbide tipped equivalent model would be 500-159-30)
cdolbashian  (posted 2023-08-23 02:24:04.0)
Thank you for noting this error in our web presentation. We will be updating it soon with the correct information.
technicalmarketing  (posted 2008-01-22 16:38:13.0)
Thank you for pointing out the mispelled word.
pmirer  (posted 2008-01-22 14:15:05.0)
http://www.thorlabs.com/NewGroupPage9.cfm?ObjectGroup_ID=1423&pn=AGR1 Not to nitpick, but this page includes a link to "vices." "Vises" are used to hold workpieces. "Vices" include gambling, drinking, etc. Paul
TechnicalMarketing  (posted 2007-10-16 15:17:25.0)
Thank you for pointing out that the presentation was missing the accuracy specification; it has now been added to the presentation. We are continually working to improve the content of our web pages in order to serve our customers and the value of user feedback in this effort is immense. The SBC-COMM can be used to interface the CPM1 with a computer; however the SBC-COMM was designed to be used with a Soleil-Babinet compensator. As a result, the included programs only include one micrometer specific LabVIEW VI with limited functionality (it only reads the output of the micrometer).
acable  (posted 2007-10-11 19:48:40.0)
Does the computer interface SBC-COMM sold with the Soleil-Babinet compensator also work for th CPM1, same question applies to the digital micrometer head that appears to be made by the same manufacturer.
acable  (posted 2007-10-11 19:41:53.0)
Please provide the resolution, precission, and accuracy of your measurement tools. Saying that the device accurately reads up to 0.001", implies that the accuracy specification (which is missing) would apply only to measurements of less than 0.001" which is not reasonable for these devices. For the calipers as well as the micrometer it seems that the number given for the strangely worded accurately reads specification is actually the display resolution which for a digital device is typically the resolution. What i really need to know is what the accuracy of the device.
acable  (posted 2007-08-27 15:00:31.0)
It would be nice to have the digital micrometer head as a Rleated Product.

Dial Calipers


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ANC12 Dial Caliper Measuring the
Distance Between Optical Posts
  • Measure Dimensions Up to 12.00" (300 mm)
  • Four Methods of Measurement: Inside, Outside, Step, and Depth
  • Knurled Thumb Wheel
  • Thumbscrew Locks Caliper Position

These dial calipers have engraved scales with 0.1" (1 mm) graduations for coarse measurement and dials with 0.001" (0.02 mm) graduations for precise measurement. They can perform four types of measurement: inside, outside, step, and depth. Options are available for measurements up to 12.00" or 300 mm, outlined in the table below. Each caliper comes in a fitted plastic case for protection.

Specifications
Item # ANC6 ANC8 ANC12 ANC150/M ANC200/M ANC300/M
Measurement Range 6.00" 8.00" 12.00" 150 mm 200 mm 300 mm
Graduation 0.001" 0.02 mm
Distance per Dial Revolution 0.1" 2 mm
Accuracy ±0.001" ±0.002" ±0.03 mm ±0.04 mm
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Imperial Price Available
ANC6 Support Documentation
ANC6NEW!Dial Caliper, 6" Range
$151.83
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ANC8 Support Documentation
ANC8NEW!Dial Caliper, 8" Range
$221.14
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ANC12 Support Documentation
ANC12NEW!Dial Caliper, 12" Range
$337.31
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+1 Qty Docs Part Number - Metric Price Available
ANC150/M Support Documentation
ANC150/MNEW!Dial Caliper, 150 mm Range
$151.83
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ANC200/M Support Documentation
ANC200/MNEW!Dial Caliper, 200 mm Range
$221.14
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ANC300/M Support Documentation
ANC300/MNEW!Dial Caliper, 300 mm Range
$337.31
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Digital Calipers


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DIGC6 Digital Caliper Measuring the Diameter of a Mirror

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DIGC12 Digital Caliper Measuring the Distance Between Optical Posts
  • Measure Dimensions Up to 12.00" (300 mm) (See Table Below)
  • Four Methods of Measurement: Inside, Outside, Step, and Depth
  • Knurled Thumb Wheel
  • Convert from Imperial to Metric with the Push of a Button
  • Thumbscrew Locks Caliper Position

These Digital Calipers have linearly encoded digital readouts that can be switched between imperial and metric scales. They can perform four types of measurement: inside, outside, step, and depth. Options are available for measurements up to 12.00" (300 mm), outlined in the table below. Each caliper comes in a fitted plastic case for protection.

Specifications
Item # DIGC4 DIGC6 DIGC8 DIGC12
Measurement Range 4.00" (100 mm) 6.00" (150 mm) 8.00" (200 mm) 12.00" (300 mm)
Resolution 0.0005" (0.01 mm)
Repeatability 0.0005" (0.01 mm)
Accuracya ±0.0010" (±0.02 mm) ±0.0015" (±0.03 mm)
  • Excludes Quantization Errors
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
DIGC4 Support Documentation
DIGC4NEW!Digital Caliper, 4" (100 mm) Range
$173.88
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DIGC6 Support Documentation
DIGC6Digital Caliper, 6" (150 mm) Range
$176.68
Today
DIGC8 Support Documentation
DIGC8NEW!Digital Caliper, 8" (200 mm) Range
$283.55
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DIGC12 Support Documentation
DIGC12NEW!Digital Caliper, 12" (300 mm) Range
$569.24
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Digital Calipers with SPC Data Output


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DIGC4D digital calipers can transmit data to a computer either with a CAB-SPC1 SPC data output cable (shown here) or a DIGCBT1 Bluetooth wireless transmitter.
  • Measure Dimensions Up to 12.00" (300 mm) (See Table Below)
  • Four Methods of Measurement: Inside, Outside, Step, and Depth
  • Data Transmission Capability Via Cable or Bluetooth
  • Convert from Imperial to Metric with the Push of a Button
  • Thumbscrew Locks Caliper Position

These Digital Calipers with SPC (Statistical Process Control) Data Output have linearly encoded digital readouts that can be switched between imperial and metric scales. They can perform four types of measurement: inside, outside, step, and depth (see Overview for details). Models capable of performing measurements of up to 12.00" (300 mm) are available. Each caliper comes in a fitted plastic case for protection.

Calipers with SPC data output can transfer measurement data to a computer via an SPC data output cable or a Bluetooth wireless transmitter, eliminating user error. Once connected, measurement data can be input into any software program that accepts keyboard input (e.g. Microsoft Excel).

For a plug and play solution, a single computer can be connected to up to 20 compatible tools using CAB-SPC1 cables. No drivers or software are required for data transfer.

For wireless data transmission, up to 7 compatible tools can be connected to a single Bluetooth-compatible computer, tablet, or phone using DIGCBT1 Bluetooth transmitters. The wireless Bluetooth connection has a range of up to 16 m in an open space and up to 10 m in a factory environment. For software used for wireless data input and instructions on how to connect the DIGCBT1 to a set of calipers, please see the Software tab.

Specifications
Item # DIGC4D DIGC6D DIGC8D DIGC12D
Measurement Range 4.00" (100 mm) 6.00" (150 mm) 8.00" (200 mm) 12.00" (300 mm)
Resolution 0.0005" (0.01 mm)
Repeatability 0.0005" (0.01 mm)
Accuracya ±0.0010" (±0.02 mm) ±0.0015" (±0.03 mm)
  • Excludes Quantization Errors
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
DIGC4D Support Documentation
DIGC4DNEW!Digital Caliper, 4" (100 mm) Range, SPC Data Output
$233.92
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DIGC6D Support Documentation
DIGC6DNEW!Digital Caliper, 6" (150 mm) Range, SPC Data Output
$247.75
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DIGC8D Support Documentation
DIGC8DNEW!Digital Caliper, 8" (200 mm) Range, SPC Data Output
$327.26
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DIGC12D Support Documentation
DIGC12DNEW!Digital Caliper, 12" (300 mm) Range, SPC Data Output
$715.58
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DIGCBT1 Support Documentation
DIGCBT1NEW!Bluetooth Wireless Transmitter for Calipers with SPC Data Output
$355.86
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CAB-SPC1 Support Documentation
CAB-SPC1NEW!Cable for SPC Data Output, Caliper to USB Type-A, 2 m
$279.02
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Digital Micrometer

micrometer face plate
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Close-Up View of Display
Specifications
Measurement Range 0-1.00" (25.4 mm)
Resolution 1 µm (0.00005")
Accuracya ±3.8 µm (±0.00015")
Contact Points Carbide-Tipped
  • Excludes Quantization Errors
  • Measures Dimensions up to 1.00" (25.4 mm)
  • Linearly Encoded Digital Readout
  • Converts from Imperial to Metric with the Push of a Button
  • Thumbscrew Locks Micrometer Position
  • Compatible with SPC System

The CPM1 Digital Micrometer is an ideal inspection device used to precisely measure the thickness of almost all materials. The design features a non-rotating carbide-tipped spindle that eliminates torque on the work piece thus producing an accurate measurement while simultaneously minimizing the deformation and wear of the work piece. Although the SBC-COMM was designed for our SBC series of Soleil-Babinet Compensators, it can also be used to interface the CPM1 with a computer. The SBC-COMM package provides the equipment necessary to establish an interface between the CPM1 and a computer via an RS-232 interface along with a simple LabVIEW VI that reads the output position displayed on the micrometer.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
CPM1 Support Documentation
CPM1Digital Micrometer, 0-1" (25.4 mm) Range
$1,183.38
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SBC-COMM Support Documentation
SBC-COMMRS-232 Interface & LabVIEW Driver for Soleil-Babinet Compensator
$901.20
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Digital Indicator

Specifications
Measurement Range 1/2" (12.7 mm)
Resolution 1 µm (0.00005”)
Accuracya <2 µm (0.0001")
Hysteresisa <2 µm (0.0001")
Repeatabilitya <2 µm (0.0001")
Mounting Barrel Ø3/8" (9.5 mm)
Measuring Force ≤1.5 N
Battery Life ~18,000 Hours, Continuous Use
Contact Point Carbide-Tipped
  • During Normal Operation at 20 °C, Excluding Quantizing Error
  • 1/2" (12.7 mm) Measurement Range
  • Converts from Imperial to Metric with the Push of a Button
  • Ø3/8" Mounting Barrel (RBA1 Ø3/8" to Ø1/2" Barrel Adapter Included)

The DGM05 Digital Indicator is an inspection tool commonly used to check the position of a stage or the flatness of a breadboard or optical table. It has a 1/2" (12.7 mm) measurement range with an easy-to-read LCD screen. In addition to this LCD screen, the front face includes buttons that switch between imperial and metric scales, reset the origin, switch the count direction with respect to the spindle, or power the unit on or off. Connection to a computer is possible via the top-located SPC output, however, the required SPC cable is not included.

Each unit has a Ø3/8" mounting barrel and includes an RBA1 Ø3/8" to Ø1/2" Barrel Adapter for increased mounting options. Two mounting options are shown in the images below and can be purchased by clicking on the View Imperial Product List or View Metric Product List links located below the images.

Digital Indicator
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DGM05 Indicator Being Used to Inspect the Translation Range of Thorlabs' MT1A 1/2" Translation Stage

Mounting Kit Options

Digital Indicator
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Click Links to Order this as a Kit:
View Imperial Product List
Item #QtyDescription
Digital Indicator
DGM051Digital Indicator, 1/2" (12.7 mm) Range
Mounting Hardware
BA2R1Magnetic Mounting Base, 2" x 3" x 3/8"
RA901Right-Angle Clamp for Ø1/2" Posts, 3/16" Hex
TR21Ø1/2" Optical Post, SS, 8-32 Setscrew, 1/4"-20 Tap, L = 2"
View Metric Product List
Item #QtyDescription
Digital Indicator
DGM051Digital Indicator, 1/2" (12.7 mm) Range
Mounting Hardware
BA2R/M1Magnetic Mounting Base, 50 mm x 75 mm x 10 mm
TR50/M1Ø12.7 mm Optical Post, SS, M4 Setscrew, M6 Tap, L = 50 mm
RA90/M1Right-Angle Clamp for Ø1/2" Posts, 5 mm Hex
Digital Indicator
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Click Links to Order this as a Kit:
View Imperial Product List
Item #QtyDescription
Digital Indicator
DGM051Digital Indicator, 1/2" (12.7 mm) Range
Mounting Hardware
MB1751Heavy-Duty Switchable Magnetic Base, 1/4"-20 Mounting Stud
SWC2Rotating Clamp for Ø1/2" Posts, 360° Continuously Adjustable, 3/16" Hex
TR42Ø1/2" Optical Post, SS, 8-32 Setscrew, 1/4"-20 Tap, L = 4"
View Metric Product List
Item #QtyDescription
Digital Indicator
DGM051Digital Indicator, 1/2" (12.7 mm) Range
Mounting Hardware
MB175/M1Heavy-Duty Switchable Magnetic Base, M6 Mounting Stud
SWC/M2Rotating Clamp for Ø1/2" Posts, 360° Continuously Adjustable, 5 mm Hex
TR100/M2Ø12.7 mm Optical Post, SS, M4 Setscrew, M6 Tap, L = 100 mm
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
DGM05 Support Documentation
DGM05Digital Indicator, 1/2" (12.7 mm) Range
$370.79
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