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Appendix A: Specifications
1502C MTDR User Manual
A–5
Category Standard or description
Pollution Degree A measure of the contaminates that could occur in the environment around and within a product.
Typically the internal environment inside a product is considered to be the same as the external. Products
should be used only in the environment for which they are rated.
Pollution Degree 1 No pollution or only dry, nonconductive pollution occurs. Products in this
category are generally encapsulated, hermetically sealed, or located in
clean rooms.
Pollution Degree 2 Normally only dry, nonconductive pollution occurs. Occasionally a
temporary conductivity that is caused by condensation must be
expected. This location is a typical office/home environment. Temporary
condensation occurs only when the product is out of service.
Pollution Degree 3 Conductive pollution, or dry, nonconductive pollution that becomes
conductive due to condensation. These are sheltered locations where
neither temperature nor humidity is controlled. The area is protected from
direct sunshine, rain, or direct wind.
Pollution Degree 4 Pollution that generates persistent conductivity through conductive dust,
rain, or snow. Typical outdoor locations.
Physical Characteristics
Table A–3: Physical Characteristics
Characteristic Description
Weight
without cover 14.25 lbs (6.46 kg)
with cover 15.75 lbs (7.14 kg)
with cover, chart recorder, and battery pack 19.75 lbs (8.96 kg)
Shipping Weight
domestic 25.5 lbs (11.57 kg)
export 25.5 lbs (11.57 kg)
Height 5.0 inches (127 mm)
Width
with handle 12.4 inches (315 mm)
without handle 11.8 inches (300 mm)
Depth
with cover on 16.5 inches (436 mm)
with handle extended to front 18.7 inches (490 mm)