A micrometer measures one range and no more, which is why they are sold in overlapping bands rather than as one instrument. The frames here cover 0 to 25mm, 25 to 50mm and 50 to 75mm, and a component outside the frame simply will not fit into it. That is also why micrometers are quoted by range rather than by maximum size.
Building a set is therefore how micrometer measurement works, one frame at a time as the sizes are met. A digital micrometer at 0 to 25mm displays rather than requiring the thimble to be read, which removes the reading error rather than the fitting limit. A digital readout also removes the vernier scale, which is where most micrometer errors come from.
Other gauges on this leaf measure things a rule cannot. A coating thickness gauge reads paint depth without removing it. A digital angle gauge at 600mm reads and holds an angle. A distance measurer covers 40m without a tape being laid out. Laserliner hold the coating and angle gauges alongside the Draper micrometers.
Vehicle checks are seated here too: a brake disc caliper with tread depth reads disc thickness past the lip and tyre depth in one tool. Construction pencils with holders mark what has been measured. Send the measurement needed to 07754288583 on WhatsApp. A depth gauge covers what a micrometer frame cannot reach into at all. Construction pencils with holders mark the work once it has been measured rather than being guessed at.
| Model No | WW002 |
|---|---|
| Brand | Sealey |
| Length | 230mm |
| Nett Weight | 0.14kg |
| Model No | WW001 |
|---|---|
| Brand | Sealey |
| Length | 200mm |
| Nett Weight | 0.20kg |
| Model No | AK10116 |
|---|---|
| Brand | Sealey |
| Sizes | 3-5mm(0.125-0.2"), 5-7.5mm(0.2-0.3"), 7.5-10mm(0.3-0.4"), 10-13mm(0.4-0.5") |
| Nett Weight | 0.05kg |
| Model No | AK9630M |
|---|---|
| Accuracy | ±0.01mm |
| Brand | Sealey |
| Nett Weight | 0.20kg |
| Range | 0-25mm |
| Model No | AK9632M |
|---|---|
| Accuracy | ±0.01mm |
| Brand | Sealey |
| Nett Weight | 0.30kg |
| Range | 25-50mm |
| Model No | AK9638D |
|---|---|
| Accuracy | ±0.03mm(0.001”) |
| Battery | 1 x LR44 (supplied) |
| Brand | Sealey |
| Graduation | 0.01mm(0.0005") |
| Model No | AK9635D |
|---|---|
| Accuracy | ±0.002mm(0.0001”) |
| Battery | 1 x LR44 (supplied) |
| Brand | Sealey |
| Graduation | 0.001mm(0.00005") |
| Model No | AK9637D |
|---|---|
| Brand | Sealey |
| Micrometer | |
| Range | 0-25mm(0-1") |
| Graduation | 0.001mm(0.00005") |
| Model No | AK9636D |
|---|---|
| Battery | 1 x CR2032 (supplied) |
| Brand | Sealey |
| Nett Weight | 3.07kg |
| Range | 0-300mm(0-12") |
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