Sylvac Serial Numbers: The Key to Collecting and Valuing Sylvac Pottery
- forreispeceggo
- Aug 14, 2023
- 7 min read
I really doubt anything about LabVIEW could cause it to receive what is otherwise a perfectly valid reading through the serial port (you have parity set), but also be wrong. If there was an issue with losing bytes in the buffer, or some sort of electrical noise corrupting the bits and causing it to fail the parity check, you'd see some data that would look a lot more wrong than a 1mm error.
Sylvac Serial Numbers
Sylvac Mini Digital Indicator S_Dial S233 also features a dual button set up for menu and mm/inch conversion. Furthermore, Sylvac Mini Digital Indicator S_Dial S233 can record the measured data in a tabular dataset (such as a database table or spreadsheet) to aid in statistical analysis of the data. This obviates manual recording of long columns of numbers, which not only reduces the risk of the operator's errors (such as digit transpositions) but also improves the productivity of the process by reducing the human resources needed for time-consuming data recording, calculating and copying tasks.You can also use this device for improvised gauging rig with Sylvac's gaging multiplexer software.
MicroRidge provides a full range of cables and accessories to support its range measurement collection solutions. Gage and RS-232 cables are often very confusing to many users. There are often multiple ways to connect a gage or serial device to an interface or a computer. The MicroRidge approach is to keep selection of the proper gage and RS-232 cables as simple and cost effective as possible while still offering a full range of solutions. If you require a cable that is not listed below, please contact us.
Cables for Digital Gages & RS-232 DevicesGage and RS-232 interface cables can be categorized as shown below. MicroRidge supplies the complete range of gage cables for Brown & Sharpe, CDI, Fowler, Mahr Federal, Mitutoyo, Ono Sokki, Starrett, Sylvac, etc. Many RS-232 devices are equipped with a 9-pin serial port and do not require any special interface cables. The first step in determining the cable you need is to understand the type of gage or instrument you are trying to connect.
There are 4 basic output formats used for digital gages. These output formats are typically referred to as Mitutoyo, Federal, CDI and Ono Sokki. It is not uncommon for a gage manufacturer to offer digital gages that have several different gage output formats. Some gages, such as the CDI digital indicators, support multiple gage output formats. Cables for the Mitutoyo brand of gages are manufactured by Mitutoyo and are available from many Mitutoyo dealers and from MicroRidge Systems. Cables for the other digital gages must be purchased from MicroRidge if these gages are being used with the MicroRidge line of GageWay interfaces. Cables for RS-232 Gages that Use Custom Cables from the Gage Manufacturer Gages from manufacturers such as Fowler/Sylvac, Starrett, Mahr/Federal, etc. normally require cables produced by the gage manufacturer. These cables typically have custom molded connectors on the gage end and a 9-pin D-sub female connector on the other end. Many Starrett gages generate an RS-232-type output signal; however, the voltage and logic levels of these signals (referred to as TTL level signals) are inverted from the typical RS-232 devices. The basic cables from Starrett have a 6-pin connector and cannot be connected to standard RS-232 serial ports without additional signal conditioning or adapters. These Starrett 6-pin cables can be connected to any GageWay3 or GageWay5 interface with a $15 adapter. Check out the Starrett cables in theCables Store for more details. Cables for RS-232 Gages & Devices that Use Standard DB9 Extension Cables The standard serial port on a PC has a 9-pin D-sub male connector. Most serial devices, such as scales, barcode readers, torques testers, etc., use a 9-pin female D-sub connector for their RS-232 output. These devices can use a standard straight through serial extension cable and can be plugged directly into the MicroRidge GageWay interfaces or into a desktop PC. These cables are available from many sources and are very economical. The MicroRidge GageWay interfaces all use this type of cable for connecting to a PC. Cables for RS-232 Gages & Devices that Require Custom Cables Some device manufacturers provide non-standard connections for their serial output. The standard PC serial port uses a 9-pin D-sub male connector. D-sub connectors also come in 15, 25, 37 and 50 pin versions. Other types of commercially available connectors may also be used instead of the common D-sub connectors. Your choices for connecting these devices to a MicroRidge interface or a PC are basically the following: Build the custom cable yourself.
Use the ProAdapter from MicroRidge for DB9 connections.
Get the PC serial communications cable from the device manufacturer.
Step 3 sounds like the best and easiest method. If the device manufacturer actually has the RS-232 cable available, you should purchase it from the manufacturer. Customers have encountered instances when the serial device manufacturer shows a part number for the desired cable; however, nobody seems to have these cables available. If you have trouble getting the proper cable for your serial device, you can use the ProAdapter from MicroRidge.
CDI (Chicago Dial Indicator, USA) since 1932, offers a full line of well-made dial gages which are a copy of the Federal indicators or vice-versa. Just like Federal, they use soft steel racks which suffer from broken teeth at the slightest jolt. One difference: to get to the movement, you have to rip off the dials which are glued in place, which makes this one of the worst designs of any dial indicator. Spare parts are expensive and repairs may be uneconomical. Their model numbers, designed logically, are exceptionally confounding. CDI indicators are often components of other gages, such as the Barcor Chamfer Gage.
Eitel uses indicators made by Kafer. Because there are no model numbers on the indicators it will not be possible to identify spare parts. Many years ago they used the inexpensive Compac JET indicator.
Federal indicators were manufactured in Providence, Rhode Island. Many models use the letters and numbers O, 0, 1 and I which can cause confusion. The rack, made of soft steel, is easily damaged and accuracy is compromised. Spare parts are often too expensive to make repairs economical by independent repair shops. Models beginning with IDS and IDT are manufacturing specials and it is difficult to identify spare parts for these. You'll have best results by returning them to the manufacturer for servicing. The newest versions have the name Mahr-Federal on the dial. The Federal name was dropped in 2017 and superceded by Mahr.
Johnson Gage (USA) a vanity dial for the Mahr-Federal indicator. These are often custom made to Johnson's specifications. Spare parts may be hard to figure out since they do not correspond to Federal model numbers. It may be best to return these to Johnson Gage for servicing.
Kafer (Germany) variously spelled as Käfer and Kaefer, manufactures distinctive, economically priced dial indicators and is willing to put just about anyone's name on them. Many configurations in inch and metric are available. Here's a problem we run into: almost none of their indicators have the model numbers written on them. When you try to order parts, or a replacement, you probably won't know what you've got. Indicators come with metal or plastic bezels - some even have plastic bodies - and plastic or real glass crystals. In 2009 Kafer introduced a series of dial indicators which are made in China.
Mahr-Federal (USA) formerly known as Federal Gage, most of these indicators are made in Providence, Rhode Island and can be identified by their greenish dials. In 2017 the company dropped the Federal name and became Mahr Inc. These indicators are hefty and solid but the rack gear (spindle) is still made of a soft steel and the teeth bend or break easily. Because of the high cost of spare parts, repairs can be expensive. At least one "economy series" (1810SZ for example) is custom manufactured by Käfer (Germany). Models beginning with IDT are manufacturing specials and should be returned to Mahr-Federal for servicing. Federal dial indicators do not have identifying serial numbers. The large face Group 4 indicators are very heavy.
Starrett (USA) indicators are home-grown favorites and probably the best of the "made in USA" indicators. The new generation has clean, sturdy construction but they still suffer from bushings which will wear out rather quickly and rack teeth which shear off because of the inferior quality metal used in its manufacture. The new plastic bezels make it easier to replace damaged crystals. They are fairly priced and almost always repairable. Back-plunger model 645 is among the best of its kind and can be recommended. Avoid model 196, though. Starrett dial indicators do not come with serial numbers. Their on-line catalog is comprehensive and parts breakdowns are available online.
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