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Description
RANGE0–150 mm
VERNIER0.02 mm
LOWER JAWS40 mm
LENGTH241 mm
Vernier caliper 150 mm 0.02 – technical data
Specifications and dimensions of the monoblock instrument
| Technical data | |
|---|---|
| Measuring range | 0–150 mm |
| Vernier (graduation) | 0.02 mm |
| Vernier scale | 50 divisions over 49 mm |
| Design | monoblock |
| Type designation | MAUa |
| Material | INOX stainless steel |
| Depth gauge | flat |
| Overall length | 241 mm |
| Lower jaw depth (a) | 40 mm |
| Height (b) | 16 mm |
| Upper jaw height (c) | 12 mm |
| Guide height (d) | 16 mm |
| Measurement types | external, internal, depth, step |
| Included | protective case |
Monoblock analog caliper – measurement without batteries or electronics
Instrument design and use in workshop conditions
Vernier caliper 150 mm in monoblock construction is a basic inspection instrument for workshops and toolrooms. Read the result from the main scale and the vernier — an additional scale with 0.02 mm graduations, the finest used in analog calipers. The instrument needs no battery or electronics, so it is ready for immediate use, even after years in storage.
Monoblock construction means that the beam and jaws are made from a single piece of stainless steel, without screw-fastened joints. The one-piece body maintains jaw geometry through years of intensive use. The matte guide does not reflect light, making it easier to find the coinciding graduation on the production floor. The clamping screw locks the slider, allowing you to transfer the measured dimension without the setting shifting.
The absence of electronics is a practical workshop advantage of a vernier caliper. Coolant, grinding dust, and the magnetic field of a grinder table do not harm it. The flat depth gauge is more rigid than a round rod and rests securely on the bottom of a groove. After use, simply wipe the beam and store the instrument in the supplied case.
External, internal, depth, and step measurement
One instrument instead of four
✓ Zero check: before measuring, close the jaws and check that the "0" marks on both scales align.
How to measure with a 0.02 mm caliper – reading the vernier in three steps
Reading principle with a numerical example
A vernier with 0.02 mm graduations divides one millimeter of the main scale into 50 parts — 50 vernier marks span 49 mm of the scale. Taking a complete reading involves three steps:
1Whole millimetersRead the last main scale mark before the vernier's "0" mark
2Aligned markFind the single vernier mark that aligns perfectly with a main scale mark
3Measurement resultMultiply the number of this mark by 0.02 mm and add it to the whole millimeters
View the scale perpendicularly — reading at an angle causes parallax error
Illustrative diagram — 34.24 mm reading on a caliper with a 0.02 mm vernier
334 mm + 12 × 0.02 mm = 34.24 mm
The closely spaced 0.02 mm vernier requires a moment of attention to find the coinciding graduation, but its reading increment is 2.5 times finer than that of a caliper with a 0.05 mm vernier. Every 150mm vernier caliper is read in the same way — only the graduation spacing differs. With good lighting and a perpendicular viewing angle, the reading is unambiguous.
Measurement accuracy per DIN 862 – 0.02 mm vernier
Resolution, maximum permissible errors, and application range
The 0.02 mm graduation specifies reading resolution, not measurement accuracy. Accuracy is limited by DIN 862:2015 — for a range of 150 mm, the maximum permissible error for external measurement falls within ±0.02–0.03 mm and increases with measured length, while internal and depth measurements have a higher limit. In practice, technique also matters: a perpendicular viewing angle, moderate pressure, and clean measuring surfaces.
Vernier options in 150 mm workshop calipers
| Vernier | Scale construction | Maximum permissible error at 150 mm | Typical application |
|---|---|---|---|
| 0.05 mm | 20 divisions over 19 mm | approx. ±0.05 mm | general workshop tasks |
| 0.02 mm This model | 50 divisions over 49 mm | ±0.02–0.03 mm | quality control, fits |
Maximum permissible error values are approximate — DIN 862:2015 specifies the limits for individual lengths and measurement types.
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Caliper application limits
For tolerances below 0.05 mm, a caliper is no longer sufficient — use a micrometer. Measure at a temperature close to 20°C: steel expands by approximately 11.5 µm per meter per degree Celsius, so a workpiece that is 10°C warmer produces an error of approximately 17 µm over a length of 150 mm.
150mm vernier caliper with a 0.02 mm vernier and monoblock construction is a durable instrument for everyday dimensional inspection: diameters, holes, depths, and steps. The closely spaced vernier is suitable for checking fits and acceptance inspection of workpieces where 0.05 mm reading increments are too coarse. Without batteries or electronics, the instrument remains functional for years — it only requires a clean guide and periodic checking with gauge blocks.
Vernier caliper 150 mm – frequently asked questions
The 0.02 mm vernier has finer graduations and a lower maximum permissible error than the 0.05 mm version, making it suitable for checking fits, quality control, and workpiece acceptance inspection alongside typical workshop tasks. For tolerances below 0.05 mm, no caliper can replace a micrometer.
Read the whole millimeters on the main scale before the vernier's "0" mark, then find the single vernier mark that aligns with a main scale mark. Multiply its number by 0.02 mm and add it to the whole millimeters, e.g., 34 mm + 12 × 0.02 mm = 34.24 mm.
The beam and fixed jaws are made from a single piece of steel, without screw joints. This body is more rigid, does not lose calibration at joints, and maintains jaw parallelism throughout the instrument's service life.
Close the jaws to zero and check that the "0" marks on both scales align and no light is visible between the jaws. Every 6–12 months, compare readings against gauge blocks at several points across the range.
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Shipping
All orders are delivered by courier company GLS. For orders exceeding 369 PLN gross shipping is FREE
| Courier GLS | Przelew24 / Prepayment | 14,76 zł gross | Delivery time 1 working day |
| Courier GLS | Cash on delivery | 17,26 zł gross | Lead time 1 working day |
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