Product comparison · 2 digital weather stations

Hama EWS-840 White vs Hama EWS-890 White Battery

17specifications compared
10differ
7identical
13known for one product only

Key differences

The Hama EWS-890 White Battery has 20 m more outdoor sensors range than the Hama EWS-840 White (50 m vs 30 m). The Hama EWS-890 White Battery has 70 mm more width than the Hama EWS-840 White (140 mm vs 70 mm). The Hama EWS-890 White Battery has 34 mm more depth than the Hama EWS-840 White (48 mm vs 14 mm). Only the Hama EWS-890 White Battery has weather forecast. Measuring functions trend display: Thermometer on the Hama EWS-840 White, Hygrometer, Thermometer on the Hama EWS-890 White Battery.

Measuring functions trend display
- EWS-840 White:Thermometer
- EWS-890 White Battery:Hygrometer, Thermometer
Weather station extremum data
- EWS-840 White:Thermometer
- EWS-890 White Battery:Hygrometer, Thermometer
Weather forecast
- EWS-840 White:No
- EWS-890 White Battery:Yes
Outdoor sensors range
- EWS-840 White:30 m
- EWS-890 White Battery:50 m
Temperature measurement range (inside) (T-T)
- EWS-840 White:32 - 122 °F
- EWS-890 White Battery:0 - 45 °C
Battery type
- EWS-840 White:AAA
- EWS-890 White Battery:AA Mignon
Width
- EWS-840 White:70 mm
- EWS-890 White Battery:140 mm
Depth
- EWS-840 White:14 mm
- EWS-890 White Battery:48 mm

Side by side

Differences highlightedShow differences only

Comparison of EWS-840, EWS-890
30 specifications	A Hama EWS-840 White Model EWS-840 View product	B Hama EWS-890 White Battery Model EWS-890 View product
Features6 differ
Measuring functionsDiffers	Indoor thermometer, Outdoor thermometer	Indoor hygrometer, Indoor thermometer, Outdoor hygrometer, Outdoor thermometer
Measuring functions trend displayDiffers	Thermometer	Hygrometer, Thermometer
Measuring functions alarmsKnown for one	Unknown — not stated by the source	Yes
Weather station extremum dataDiffers	Thermometer	Hygrometer, Thermometer
Weather forecastDiffers	No	Yes
Humidity measuring range (inside) (H-H)Known for one	Unknown — not stated by the source	20 - 90%
Humidity measuring range (outside) (H-H)Known for one	Unknown — not stated by the source	20 - 90%
Min/Max temperature memoryKnown for one	Unknown — not stated by the source	Yes
Outdoor sensors rangeDiffers	30 m	50 m
Temperature measurement range (inside) (T-T)Differs	32 - 122 °F	0 - 45 °C
Temperature measurement range (outside) (T-T)Known for one	-20 - 60 °C	Unknown — not stated by the source
Power1 differ
Power sourceKnown for one	Unknown — not stated by the source	Battery
Battery typeDiffers	AAA	AA Mignon
Number of batteries (receiver)Known for one	2	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	70 mm	140 mm
DepthDiffers	14 mm	48 mm
HeightDiffers	130 mm	100 mm
Ports & interfacesidentical
Transmission frequencyKnown for one	Unknown — not stated by the source	433 GHz
Packaging contentidentical
Battery includedKnown for one	Unknown — not stated by the source	Yes
Packaging dataidentical
Package depthKnown for one	110 mm	Unknown — not stated by the source
Package heightKnown for one	50 mm	Unknown — not stated by the source
Package weightKnown for one	253 g	Unknown — not stated by the source
Package widthKnown for one	140 mm	Unknown — not stated by the source

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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