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Related to calipers: brake calipers, Digital calipers
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also cal·li·per  (kăl′ə-pər)
1. often calipers An instrument consisting of two hinged legs, used to measure thickness and distances.
2. A large instrument having a fixed and a movable arm on a graduated stock, used for measuring the diameters of logs and similar objects.
3. A vernier caliper.
a. The assembly housing the brake pads in a disc brake.
b. The assembly in certain bicycle brakes that forces the brake pads against the wheel rim.

[Alteration of caliber.]

cal′i·per v.
References in classic literature ?
Rather sur- prised, I said Yes, when he produced a thing like calipers and got the dimensions back and front and every way, taking notes carefully.
3141 to organise on-the-spot limb/caliper fitment camps in Mumbai to distribute prosthetics or artificial limbs, calipers and other physical aids and appliances at free of cost.
The only downside, if you could call it that, is you'll probably end up dedicating one caliper to group measurements only, but with stainless steel digital calipers selling for less than $40, it's a worthwhile investment in tooling.
Contract award notice: calipers buses for public transport.
Mahr Federal wireless data transmission capability is now integrated within the company's families of digital calipers and digital indicators, using proven wireless technology.
Control Company's Traceable Calipers take length/diameter measurements three ways--outside, inside and depth.
We are taking specific vehicle data from the track testing and using that to optimize the caliper design," says Phil Stubbs, President of Alcon Components USA, which supplies calipers to NASCAR's Joe Gibbs racing team and is the sole caliper supplier to the IndyCar racing league.
The Digital Caliper overcomes the nonlinearity and precision limitations found in analog video calipers.
It is intended to replace the need for ring gauges and calipers, and is said to be ideal for part sampling environments and mold proving.
PROBLEMS--Design and build a total workcell for the casting of aluminum brake calipers that will: provide needed flexibility, accommodate PBR's proprietary mold mounting system, provide the ability to engineer the cooler to match the production rate of the casting cell with the appropriate heat removal rate, maximize ergonomic benefits and minimize floor space requirements.
MEASURING UP: Quality engineer Ian Penny measuring brake calipers for the new VW Touran (left) and the Golf (right) at Ebbw Vale-based Continental Teves, which has won a multi-millionpound contract to supply 600,000 calipers a year for the Touran mini MPV which will be going on sale next summer.
But as we get older, it gets harder and harder to read those tiny graduations on calipers and micrometers.