Oregon Scientific EW91 user manual Specifications, Type Description Main Unit

∙Do not tamper with the unit’s internal components. Doing so will invalidate the warranty on the unit and may cause unnecessary damage. The unit contains no user-serviceable parts.

∙Only use fresh batteries as speciûed in the user’s instructions. Do not mix new and old batteries.

∙Due to printing limitations, the displays shown in this manual may differ from the actual display.

∙The contents of this manual may not be reproduced without the permission of the manufacturer.

∙Do not dispose this product as unsorted municipal waste. Collection of such waste separately for special treatment is necessary.

Note

The technical speciûcations for this product and the contents of the user manual are subject to change without notice.

EN

SPECIFICATIONS

TYPE	DESCRIPTION
MAIN UNIT
L x W x H	70 x 30 x 109 mm
	(2.76 x 1.18 x 4.29 in)
Weight	111g
Signal frequency	433 MHz
Temperature	-5°C to 50°C (23°F to 122°F)
range
Temperature	0.1°C (0.2°F)
resolution
Ice alert	3°C to -2°C
temperature range	(37°F to 28°F)
Power	2 x AA 1.5V batteries
REMOTE UNIT (EW-99)
L x W x H	58 x 23 x 100 mm
	(2.28 x 0.9 x 3.94 in)
Weight	52g
Signal frequency	433 MHz
Number of channel	3
Transmission range	30 m (98 ft) unobstructed
Temperature range	-20°C to 60°C (-4°F to 140°F)
Power	2 x AAA 1.5V batteries

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