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3VBM-Series
3" Dial Vari-Angle® Bimetal Thermometer with Recalibrator
Modèles en stock
- Adjustable case and stem allow for mounting at virtually any angle for optimal viewing
- Compact 3" dial for installations with limited space
- +/- 1% accuracy, hermetically sealed case
- Optional features available, including silicone liquid fill, polycarbonate window, and custom stem lengths
3VBM-Series
À partir de
Modèles en stock
Aperçu du produit
- Précision ± 1 %
- Applications Aliments et boissons, Gaz, Industrie et fabrication, Pétrole, Pétrochimie, Automatisation et contrôle des processus, Pâte à papier et papier, Réfrigération, Eaux usées
- Diamètre du cadran 3 en
- Double échelle °F, °C
- Matériaux Acier inoxydable 304 ; verre
- Matériaux en contact avec le fluide Acier inoxydable 300
- Orientation de montage Réglable
- Réglage du décalage Recalibreur externe
- Température de fonctionnement, max -40 °F
- Température de fonctionnement, min 250 °F
- Taille du raccordement au process 1/2 po
- Type de raccordement au process NPT mâle
- ID de série 3VBM-Series
- Diamètre de la tige 0.25 in
Supported Applications
The Weiss 3" Dial Vari-Angle® Bimetal Thermometer (Series 3VBM) is a stainless steel, hermetically sealed instrument designed for industrial process applications. The series features an adjustable Vari-Angle® connection to accommodate various installation orientations.
According to manufacturer guidance, these thermometers should always be installed in a thermowell when used in pressurized applications. This configuration protects the stem from erosion and corrosion while allowing removal of the thermometer without disturbing the process.
Operating Conditions & Performance
The 3VBM Series measures temperature across ranges spanning -80°F (-40°C) through 1000°F (537°C). Specific standard range codes include:
- -80/120°F & -60/50°C
- 0/200°F & -15/90°C
- 50/400°F & 10/200°C
- 100/800°F & 40/425°C
The series meets ASME B40.200 (B40.3 Grade A) accuracy class, providing ±1.0% of full range accuracy. Ambient operating temperature is rated from -40 to 250°F (-40-120°C). Response time is maximized by silicone dampening within the bimetallic element.
Service limitations apply for high-range models: Code 800* and 1000† are satisfactory for continuous service up to 800°F, with intermittent service capability up to 1000°F. The process connection is constructed of 300 series stainless steel with a 1/2 NPT thread.
Configuration Options
The series offers configurable stem lengths and case options to suit specific installation requirements.
Stem Lengths & Ordering Codes
- Standard lengths up to 12" (including thread)
- Model codes: 3VBM25 (2.5" Stem), 3VBM4 (4" Stem), 3VBM6 (6" Stem), 3VBM9 (9" Stem), and 3VBM12 (12" Stem).
Note: For ranges marked with an asterisk (*), the minimum stem length is 4".
Materials & Wetted Parts
- Housing material: 304 stainless steel
- Wetted materials: 300 series stainless steel (stem, connection)
- Bimetallic element dampening: Silicone liquid filled case option available
Options & Accessories
The following options are offered for the 3VBM Series:
- Silicone Liquid Filled Case (indicated by "SF" prefix in part numbers)
- Polycarbonate Window
- Single Scale Ranges (°F Only or °C Only scales)
- Longer Stem Lengths beyond standard offerings
- Thermowells – consult Weiss Thermowell Data Sheet for specifications and selection
Key Product Differences
Variants within the 3VBM Series are distinguished by stem length, range code, and case dampening. The standard model designation follows the format: 3VBM - <Stem Length Code> - <Range Code>. Models with a silicone liquid filled case utilize an "SF" prefix (e.g., SF3VBM25-120). Range codes determine both the measurement span and dial graduation intervals, which vary from 1 to 10 units depending on the selected range.
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