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Summary of Contents for Heise CM
- Page 1 Heise Bourdon Tube Gauges Models “CC, ” “CM” and “CMM” Installation and Maintenance Manual I&M002-10134-8/05...
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Page 3: Purpose And Scope Of Manual
The longer scale extending to 300° of pointer travel in the 1.1 SAFETY PRECAUTIONS Model CC Gauge, 350° in the Model CM Gauge and 660° Bourdon tube pressure gauges must be selected and in the Model CMM Gauge. - Page 4 External Dial Adjuster. 2.1.1. TYPES OF HEISE GAUGES Heise Gauges are supplied to meet the individual needs of laboratories, instrument shops and engineering depart- ments throughout the world. Four standard dial sizes, 6˝, 8 ⁄...
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Page 5: Theory Of Operation
The most highly developed pressure sensing element in on a tube, which is oval in cross section and is bent into a the industry, the Heise Bourdon tube was the ‘first’ to lend circular arc. Pressure within the tube tends to straighten itself to certain and positive cleaning. - Page 6 Gear Sector and Drive The gear sector drives the pointer pinion directly in the Model “CC” and “CM” and through a compound gear in the Model “CMM”. The pointer pinion is spring loaded against the backlash by a hairspring in the Model “CC”...
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Page 7: Optional Features
A friction Heise gauges are shipped with a small piece of plastic brake, acting on the dial, prevents accidental rotation. sponge between the pointer hub and the inside of the Where a constant value is to be carried through a series glass. -
Page 8: Operation
(Section plify the calculations by eliminating the tare figure entirely. 4.3). The Heise gauge is a “Test” or “Master” gauge and if 4.3 RECALIBRATION PROCEDURES properly cared for should retain its inherent accuracy The Bourdon tube must be completely free of entrapped indefinitely. -
Page 9: Range Adjustment
CAUTION: on most gauge dials. To correct some gauges an adjust- At this point it is advisable to mark the tooth relationship ment of as little as .0005˝ or a turn of approximately 10° of between the sector and its mating pinion. If the sector and the Micro-Slide screw is required. - Page 10 Model “CC”...
- Page 11 Model “CM” Model “CMM”...
- Page 12 5,000 psi in Model CMM. tical, the order must specify mounting positions to assure AISI 316 Stainless steel – Model CC only in ranges up to proper accuracy. A certified copy of test results, traceable 5,000 psi maximum. When used, hysteresis may be up to to the N.I.S.T., is furnished with each gauge.
- Page 13 5.2 RANGES-GRADUATIONS-DIVISIONS Inches Mercury 5.2.1 RANGE SELECTION CHART – STANDARD STANDARD RANGE PSI-INCHES MERCURY-INCHES WATER BOURDON TUBE INCHES MERCURY MATERIAL** PSIG 0-30 STANDARD 0-40 BERYLLIUM BOURDON TUBE STANDARD RANGE PSIG 0-50 COPPER MATERIAL** 0-12/3-15 0-60 0-15 0-75 BERYLLIUM 0-20 0-100 COPPER 0-25 0-125...
- Page 14 5.2.2 RANGE SELECTION CHART – METRIC Metric STANDARD STANDARD RANGE BOURDON TUBE MILLIMETERS MERCURY MATERIAL** 0-760 BERYLLIUM 0-1000 COPPER 0-1250 0-1500 0-2500 AISI 403 0-3000 STAIN. STEEL 0-4000 0-5000 kg/cm kp/cm 0.2-1 – – 0-100 – BERYLLIUM COPPER 0-1.6 0-160 –...
- Page 15 5.2.3 GRADUATION TABLES 6˝ CM & 8 ⁄ ˝ CC, CM 12˝ CC, CM & 6˝ CMM 16˝ CC, CM & 8 ⁄ ˝ CMM 12˝ & 16˝ CMM Scale Total Total Total Total Scale for All fNumber Value fNumber...
- Page 16 5.3 GAUGE CASE DIMENSIONS 5.3.1 MODEL “CC” Model “CC” Dim. Size Units in. 10 ⁄ ⁄ ⁄ ⁄ ⁄ ⁄ ⁄ ⁄ ⁄ ⁄ ⁄ ⁄ ⁄ ⁄ ⁄ ⁄ ˝ mm 261.9 238.1 228.6 241.3 82.6 33.3 50.4 141.3 133.4 88.9 35.0...
- Page 17 5.3.2 MODEL “CM” AND “CCM” Model “CM”and “CMM” Dim. Size Units ⁄ ⁄ ⁄ ⁄ ⁄ ⁄ ⁄ ⁄ ⁄ ⁄ ⁄ ⁄ 6˝ mm 200 177.8 165.1 177.8 50.8 47.6 31.8 115.8 107.9 82.3 34.9 97.6 15.9 62.7 in. 10 ⁄...
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Page 18: Shipping Instructions
HOW TO ORDER ______________________________ Person to Contact 6.1 WARRANTY AND LIMITATION OF LIABILITY Address ______________________________________ All Heise Products and Parts carry a warranty against __ ____________________________________________ defective material and workmanship for period of one (1) year from date of shipment. Model ________________________________________... - Page 20 Ind. Norte Sector Canchancha Maracaibo Edo Zulia Venezuela Tel: 58-261-757-9070/9762 Fax: 58-261-757-9461 email: contactenos@mapvensa.com www.mapvensa.com Visit our web site www.heise.com All specifications are subject to change without notice. All sales subject to standard terms and conditions. ©Ashcroft Inc. I&M002-10134 8/05 5CSP12/06...
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