Product comparison · 2 smoke detectors

Dahua Technology DHI-HY-SA21A-W2(868) smoke detector Photoelectrical reflection detector Wireless vs Hama GS526 Optical detector

10specifications compared
5differ
5identical
25known for one product only

Key differences

The Dahua Technology DHI-HY-SA21A-W2(868) smoke detector Photoelectrical reflection detector Wireless has 5 dB more alarm decibels than the Hama GS526 Optical detector (90 dB vs 85 dB). The Hama GS526 Optical detector has 0.2 cm more diameter than the Dahua Technology DHI-HY-SA21A-W2(868) smoke detector Photoelectrical reflection detector Wireless (10 cm vs 9.8 cm). The Dahua Technology DHI-HY-SA21A-W2(868) smoke detector Photoelectrical reflection detector Wireless has 11.1 mm more height than the Hama GS526 Optical detector (43.1 mm vs 32 mm). Detector type: Photoelectrical reflection detector on the Dahua Technology DHI-HY-SA21A-W2(868) smoke detector Photoelectrical reflection detector Wireless, Optical detector on the Hama GS526 Optical detector. LED indicators: Alarm, Fault, Power on the Dahua Technology DHI-HY-SA21A-W2(868) smoke detector Photoelectrical reflection detector Wireless, Alarm on the Hama GS526 Optical detector.

LED indicators
- DHI-HY-SA21A-W2(868) smoke detector Photoelectrical reflection detector Wireless:Alarm, Fault, Power
- GS526 Optical detector:Alarm
Alarm decibels
- DHI-HY-SA21A-W2(868) smoke detector Photoelectrical reflection detector Wireless:90 dB
- GS526 Optical detector:85 dB
Diameter
- DHI-HY-SA21A-W2(868) smoke detector Photoelectrical reflection detector Wireless:9.8 cm
- GS526 Optical detector:10 cm
Height
- DHI-HY-SA21A-W2(868) smoke detector Photoelectrical reflection detector Wireless:43.1 mm
- GS526 Optical detector:32 mm

Side by side

Differences highlightedShow differences only

Comparison of DHI-HY-SA21A-W2(868), GS526
35 specifications	A Dahua Technology DHI-HY-SA21A-W2(868) smoke detector Photoelectrical reflection detector Wireless Model DHI-HY-SA21A-W2(868) View product	B Hama GS526 Optical detector Model GS526 View product
Features3 differ
Detector typeDiffers	Photoelectrical reflection detector	Optical detector
InterconnectableKnown for one	No	Unknown — not stated by the source
Connectivity technologyKnown for one	Wireless	Unknown — not stated by the source
BandwidthKnown for one	868.3 MHz	Unknown — not stated by the source
Housing materialKnown for one	ABS	Unknown — not stated by the source
Light alarmKnown for one	Yes	Unknown — not stated by the source
LED indicatorsDiffers	Alarm, Fault, Power	Alarm
Alarm decibelsDiffers	90 dB	85 dB
Maximum rangeKnown for one	1000 m	Unknown — not stated by the source
Mounting typeKnown for one	Surface-mounted	Unknown — not stated by the source
Test buttonKnown for one	Unknown — not stated by the source	Yes
Poweridentical
Input voltageKnown for one	3 V	Unknown — not stated by the source
Battery lifeKnown for one	3 year(s)	Unknown — not stated by the source
Battery low indicationKnown for one	Yes	Unknown — not stated by the source
Compatible battery sizesKnown for one	CR123A	Unknown — not stated by the source
Number of batteries supportedKnown for one	Unknown — not stated by the source	1
Operational conditionsidentical
Operating temperature (T-T)Known for one	-10 - 55 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	0 - 95%	Unknown — not stated by the source
Certificatesidentical
CertificationKnown for one	EN 14604:2005+AC:2008	Unknown — not stated by the source
Weight & dimensions2 differ
DiameterDiffers	9.8 cm	10 cm
HeightDiffers	43.1 mm	32 mm
WeightKnown for one	140 g	Unknown — not stated by the source
Batteryidentical
Battery technologyKnown for one	Lithium	Unknown — not stated by the source
Sustainabilityidentical
Compliance certificatesKnown for one	CE	Unknown — not stated by the source
Packaging contentidentical
ManualKnown for one	Unknown — not stated by the source	Yes
Packaging dataidentical
Package widthKnown for one	Unknown — not stated by the source	170 mm
Package depthKnown for one	Unknown — not stated by the source	90 mm
Package heightKnown for one	Unknown — not stated by the source	85 mm
Package weightKnown for one	Unknown — not stated by the source	151 g
Quantity per packKnown for one	Unknown — not stated by the source	1 pc(s)

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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