3-1
Using the Infrared Thermometer
3
3.1 Using the Infrared Thermometer
3.1.1 Water Cool Jacket Accessory
When using the OS550A sensor head in an ambient temperature
environment above 50°C (122°F), the OS550-WC Water Cooling Jacket
option must be used to maintain the accuracy and response time of the
unit. Two
1
⁄
8
" N.P.T. compression fittings are provided for connection to
copper water lines. A constant flow of approx. 0.5 GPM of clean, room
temperature water is sufficient to protect the instrument and maintain
accuracy up to 85°C (185°F). This option can be installed in the field.
Fig 3-1. Water Cool Jacket Dimensions (OS550-WC)
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