Repairs: Long Island Indicator Service is an authorized repair service, fully qualified to perform professional repairs on Standard Gage rinsable dial bore gages. Replacement parts such as contacts and extensions are also available. Sales: The newest models of Standard Gage dial bore gages are manufactured in Switzerland by Tesa, the manufacturers of high-end Etalon and Interapid gages. The dial indicator portion of the gage is made by Kafer. 
model B3-12509 "Eliminate time spent cleaning bore gages. The Rinseable [sic] Bore Gage from Standard Gage can be cleaned without disassembly. The plunger mechanism is completely immersible, making it as easy to clean as it is to use." -sales literature Even the manufacturer makes the mistake of spelling it with an "e". Rinsable does not have an "e" but could be spelled rinsible with an "i". While we're at it, "immersible" is probably not the correct word to use. Submersible, is what they mean to say. - balanced and lightweight
- replaceable carbide contacts
- large 2-8" diameter (50-200mm) measuring range
- shockproof indicator .0001", .0005", 0.005 mm or 0.002 mm
- separate extensions available to lengths up to twelve feet
- metric dials in yellow
- complete with hard plastic storage case
- manufacturer's short form certificate of calibration included (you can order the NIST long form separately, see below)
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Model no. | Indicator included | depth capability | Your Price |
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B3-12509 | .0001" | 6 inches | 1458.00 |
B3-14509 | .0005" | 6 inches | 1448.00 |
B3-17509 | 0.005 mm | 6 inches | 1448.00 |
B3-18509 | 0.002 mm | 6 inches | 1639.00 |
Long form certificate of calibration (optional) | 175.00 |
You may order online by selecting any linked model number.
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Rinsable bore gage with extended depth capability* |
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B3-12509-14 | .0001" | 14 inches | 1523.00 |
B3-12509-36 | .0001" | 36 inches | 2422.00 |
*A note about depth extensions: Be advised that bore gages with long extensions added will not function properly in the horizontal position. The weight of the long rod will bend the barrel and sluggishness or jamming will result. If you need to use the bore gage in a horizontal position, let us know in advance so we can advise the manufacturer who will make some factory adjustments (allow extra time). |
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Notable features of the rinsable dial bore gage |
- Centralization is accomplished by a single lever and pivot mechanism.
- The bore gage can be disassembled into its three basic sub-assemblies using just two set screws.
- The sensitive contact and right angle transfer mechanism have been combined into one lever-type unit.
- Springs that actuate the centralizer lever are external to the bore gage head for ease of service and replacement.
- The measuring range is adjustable to .100" The set screw will restrict the travel as desired by the operator.
- Cutouts located at the side of the bore gage improve the operator's ability to use and clean the gage without disassembly.
- Adjustable restricter mechanism allows easy entry into bores throughout the entire range.
- The bottom bushing for the extension plunger has been relocated higher in the extension housing to eliminate coolant and debris from affecting its motion.
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Bore gage indicator unit setting and gaging lever travel adjustment |
The gaging lever travel is set at the factory at approximately 0.030" and need not be reset unless the user desires. The maximum recommended gaging lever travel is 0.100". The indicator unit must be repositioned when the gaging lever travel is adjusted. - Loosen the indicator unit lock screw.
- Use the gaging lever adjustment screw to obtain the desired travel.
- Move the gaging unit toward the indicator unit until a slight movement of the pointer indicates contact. Back the gaging unit away slightly by about .002". This will allow a corresponding movement of the gaging lever before actuating the indicator.
- Tighten the indicator unit lock screw.
- Check the setting by depressing the gaging lever with your finger. The pointer should move the desired amount of travel.
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Zero setting |
Use a master ring of desired size and tolerance, and proceed as follows: - Select the proper range extension from the chart supplied with the gage.
- Screw the extension into the gaging unit far enough to permit easy entrance into the ring while keeping the lock nut loose.
- Rock the gage in the ring to try the adjustment of the range extension. Screw the extension in or out until the maximum movement of the pointer will at least cover the required plus tolerance of the work. For most indicators, one half revolution of the pointer is suitable. The first trial rocking of the gage in the master, or in the workpiece, should be done cautiously to avoid damage from forcing the working parts beyond their normal limits of travel.
- Tighten the lock nut with the wrenches provided.
- Turn the dial bezel so that the zero line is at the extreme pointer position, or at the point of reverse while rocking the master.
- Sero setting should be done close to operating temperature and checked frequently with the master during use.
- The centralizer mechanism can be restricted for easy entry into bore sizes at the low end of the gage range by loosening the screw at the back of the gaging unit and adjusting the restriction plate as necessary.
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Cleaning and maintenance |
The gage is designed to stand up in environments that would cause most plunger type bore gages to stick and hang up. In most cases the gaging unit portion of the gage can simply be rinsed in most mild, non-corrosive cleaners or solvents, then blown off with a pressurized air hose to free and cleanse sluggish moving parts. Should access to the gaging unit be required, it can be quickly and easily disassembled from the gage by loosening the gaging unit lock screw. When reassembling the gaging unit to the gage, simply insert the extension housing fully into the gaging unit with the notch facing forward, then tighten the lock screw. 
rinsable gaging unit - The rinsable gaging unit can be bought separately to replace a damaged or worn unit. Order no. X2-86059 ... $355.00 (allow 4-8 weeks) inquire
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Range extension chart |
The following chart is supplied with each new bore gage. It shows the combinations of extensions and adapters which are needed to reach desired ranges. All necessary extensions and adapters are included with the bore gage. Note that the same adapters and extensions are used to obtain inch and metric readings. |
Adapter 1.75" long | Extension No. | Range Inches | Range Metric |
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none | 1 | 2.00 - 2.13 | 50.8 - 54.0 |
none | 2 | 2.13 - 2.56 | 54.0 - 65.1 |
none | 3 | 2.56 - 3.00 | 65.1 - 76.2 |
none | 4 | 3.00 - 3.44 | 76.2 - 87.3 |
none | 5 | 3.44 - 3.88 | 87.3 - 98.4 |
none | 6 | 3.88 - 4.31 | 98.4 - 109.5 |
none | 7 | 4.31 - 4.75 | 109.5 - 120.7 |
one adapter | 4 | 4.75 - 5.19 | 120.7 - 131.8 |
one adapter | 5 | 5.19 - 5.63 | 131.8 - 142.9 |
one adapter | 6 | 5.63 - 6.06 | 142.9 - 154.0 |
one adapter | 7 | 6.06 - 6.50 | 154.0 - 165.1 |
two adapters | 4 | 6.50 - 6.95 | 165.1 - 176.2 |
two adapters | 5 | 6.94 - 7.38 | 176.2 - 187.3 |
two adapters | 6 | 7.38 - 7.81 | 187.3 - 198.4 |
two adapters | 7 | 7.81 - 8.00 | 198.4 - 203.2 |
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