Calipers & Depth / Height Gauges

About Calipers & Depth / Height Gauges

An area primed with highly accurate measuring instruments headed by Mitutoyo, one of the world's leading manufacturers of precision measuring equipment.

Digital Calipers - precision instruments used to take an accurate measurement
Analogue Calipers - do not require batteries and they still work well if damp
Special Purpose Calipers - fast, smooth, and accurate measurements
Depth Micrometers - measure the depth of holes, slots, and recesses
Depth Calipers & Depth Gauges - measure the depth of a bored hole, drilled hole, or cut
Height Gauges - a measuring device used to determine the height of an object
Caliper Accessories, Depth Caliper Accessories & Height Gauge Accessories - our accessories make a great addition

Popular Products

Moore & Wright MW110-20DBL Digital Caliper: This four-way measurement digital caliper has a measurement range of 0 to 200 mm, an accuracy of ±0.02 mm and a resolution of 0.01 mm, combined with robust stainless steel construction.
Mitutoyo Series 500 Absolute Digital Caliper: These calipers have carbide-tipped jaws, a large LCD, a smooth slider, and an ABSOLUTE Measurement System. They also come with low-voltage alerts and optional data output.
Mitutoyo Series 505 Dial Caliper: Measure depth, steps, and outside and inside dimensions. The easy-to-read yellow dials feature ultra-smooth sliding and high shock protection. The titanium-coated sliding surfaces provide improved durability.
Mitutoyo Series 573 Absolute Digital Point Caliper: These models enable integration into statistical process control and measurement systems. They have narrow-tip jaws that fit into tiny grooves and tracks and have an IP67 ingress protection rating.
Mitutoyo 515 Series CERA Caliper Checker: A formidable instrument crafted to provide a stable reference point for zero verification. This caliper checker thoroughly verifies calibration and ensures that your caliper is producing precise measurements.
Mitutoyo Series 329 Digital Interchangeable Rod Depth Micrometer: These depth micrometers have a measuring rod diameter of 4mm, a Data Output function, and a measuring rod lock. The interchangeable rods facilitate a wide measurement range, while the ratchet stop provides a constant measuring force.
Mitutoyo Series 7 Dial Depth Gauge: These depth gauges use stackable extension rods and stroke dial indicators to cover a wide measuring range. They also have multiple functions and a lifting lever for rapid operation.
Mitutoyo Series 570 Absolute Digital Ergonomic Height Gauge: The ABSOLUTE System Measurement is a user-friendly and compact series designed with a base that fits comfortably in the palm of your hand. A slider-adjustment wheel enables smooth elevation, and the slider-clamp lever provides positive and accurate clamping.
Mitutoyo 90036/7X Depth Gauge Extension Bases: These extension bases attach to the base plate of a depth gauge. They are available in various sizes, including 180 mm, 260 mm, and 320 mm. For imperial measurements, the available sizes are 7", 10", and 12".
Mitutoyo Height Gauge Scribers: A selection of scriber types is compatible with various height gauge models. These scribers feature a carbide-tipped design and are available in sizes from 47 mm to 150 mm.

FAQs

How do I determine the accuracy and precision of different models?
Manufacturers generally provide a datasheet or manual detailing specifications. Calibration certificates confirm that an instrument meets industry standards, and user reviews can offer valuable insights. However, they may be influenced by the writer's mood when writing.
What are the different types of calipers and depth/height gauges?
There are several types, including vernier, dial, and digital versions. Digital versions provide easy-to-read measurements, while vernier and dial types offer precision through scales or indicators.
How can I ensure consistent measurements across different environments?
Maintain a stable temperature of around 20°C to minimise thermal expansion and handle tools with gloves to prevent heat transfer. Zero the instrument before use. Keep surfaces clean and regularly calibrate against certified standards. Store tools to protect them from humidity and dust, ensuring long-term accuracy.
What are the best practices for reading and interpreting measurements?
Align and zero the instrument before getting started. Apply consistent pressure to avoid distortion, and carefully read the scale while keeping your line of sight perpendicular to prevent parallax errors. Verify accuracy by taking multiple readings and confirming the correct measurement mode is selected. Account for the tool's limits as resolution and potential environmental factors may impact measurement certainty.
What are the most common challenges faced when using these tools, and how can they be overcome?
Parallax error, temperature variations, and improper calibration are common challenges. Inaccurate readings occur due to parallax error when the user's eye is not positioned directly in line with the measurement scale. Always reading measurements straight-on to overcome. Temperature variations can cause the tool to expand or contract. Using tools in a temperature-controlled environment helps. Regular calibration using known standards helps to eliminate improper calibration. Proper training and maintaining a clean, stable environment can significantly reduce these issues.
What specific maintenance routines extend the lifespan of calipers and depth/height gauges in industrial applications?
Regularly clean, store them in a dry, temperature-controlled environment, and calibrate them often. Apply lubricants to moving parts and handle with care to avoid damage. Train all users in their usage and maintenance.
Which type of caliper or depth/height gauge is best suited for high-precision tasks?
Digital instruments stand out for their user-friendly design, high accuracy, digital readout and data output features. They have quick, precise measurements and often include zero-setting and memory functions, which are beneficial for repetitive tasks.
How accurate and precise are these tools, and what are their typical measurement ranges?
Digital calipers generally provide an accuracy of ±0.01 mm and measurement ranges up to 150 mm, while Vernier calipers have an accuracy of ±0.02 mm. Digital depth gauges also achieve ±0.01 mm accuracy with a range of 0 to 100 mm, compared to ±0.02 mm for mechanical models. For height gauges, digital versions can reach ±0.01 mm accuracy with ranges up to 600 mm, whereas mechanical models maintain ±0.02 mm accuracy.
What are the common applications for calipers and depth/height gauges?
Calipers measure internal and external dimensions, depths, and steps. Depth gauges assess hole depths, while height gauges measure vertical dimensions and mark precise lines.