ESF-306 Sphere 6 "globe thermometer

ESF-306 Sphere 6
ESF-306 Sphere 6
Code: 17

Brand: CrifferModel:ESF-306 Reference: ESF-306


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ESF-306 is a 6 inches hollow sphere made of copper. The sphere is used in conjunction with Protemp-4 heat stress monitor. The manufacture of the sphere is in accordance with NHO-06 occupational hygiene standard. ESF-306 is also compatible with the following instruments: TGD-200, TGD-300, TGD-400, Protemp and Protemp-3.


ISO 7243 Ergonomics of the thermal environment — Assessment of heat stress using the WBGT (wet bulb globe temperature) index

*The model of the instrument that will be used must be informed during the purchase.


Technical Information

Color: Matte black

Emissivity: 0,95

Thickness: 1 mm

Diameter: 6 inches (152,4 mm)

Height: 177,2 mm

Weight: 417 g


When purchasing the 6 "sphere, a rod corresponding to the indicated instrument model is included.

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    We guarantee our customers, for the period of 3 (three) years after the issuance of the invoice, technical assistance services for any defects caused by manufacturing or component failure that makes them inappropriate for the use they are intended.


    To validate the guarantee, it is necessary to send the instrument properly packed, including a copy of the invoice to: Av. Theodomiro Porto da Fonseca, 3101 / Unit 6, São Leopoldo / RS CEP: 93022-715 OR TO AN AUTHORIZED DISTRIBUTOR..


    The period for repairing of the product will not exceed 10 working days, counted from the date of receipt in our laboratory.


    Conditions not covered by the warranty:

    Exposure to excessive heat (above 65 °C)

    Damage caused from falling or breakage.

    Opening the instrument without authorization (Breach of the seal)