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Pressure and Temperature Measurement • Thermometers Tel-Tru Bimetal Thermometers
Bi-Metal Thermometer Bi-Metal Thermometer
• CASE AND BEZEL • 304 stainless steel standard • 316 stainless steel optional • All external parts corrosion resistant to most chemicals • Parts designed for maximum strength to meet requirements of heavy duty industrial applications • Manufactured with precision tooling on modern OSHA approved stamping equipment
• Statistical Process Control QA methods used to assure component quality and process consistency • Polished finish identifies Tel-Tru quality
• Cases may be silicone filled for additional dampening of extreme vibration, or to assure consistent performance in low process temperature/high environmental humidity applications
• DATE STAMPING • Available for QA tracking of industrial thermometers
• HERMETIC SEAL
• Case/Bezel assembly is a precision interference fit
• Silicone gasket provides dustproof and leakproof seal • Welded construction-Unique 360º TIG weld joins case, stem and threaded connection • Testing conforms with ASME B40.3 procedures
• THREADED CONNECTION • 304 stainless steel standard • 316 stainless steel optional • Precision manufactured on Tel-Tru CNC machines • Statistical Process Control QA methods used to assure component quality and process consistency
• EXTERNAL RESET • Calibration adjustment using an Allen wrench discourages inadvertent tampering • Stainless steel pinion is sealed with a silicone “O” ring to maintain integrity of hermetic seal
• Pinion works with gear teeth cut and formed in dial
• Models without reset are available
• DIAL • True anti-parallax dial on 3", 4"' 5" models • Graduations on dial ring are on the same plane as the pointer tip minimizing reading error
• Concave design of dial ring enhances readability • White appearing .032" anodized aluminum • Graduations for each temperature range are calculated to match deflection data of bimetallic material • Large easy to read black numerals and graduations are printed on precision pad printing equipment in our factory
• LENS
• Extra heavy duty instrument glass standard • Shatterproof glass, tempered glass, and plastics optional
• POINTER • Black painted aluminum
• Balanced and precisely assembled to bimetal coil stem
• Direct transfer of coil movement to temperature displayed on dial