Product comparison · 2 smoke detectors

Dahua Technology DH-YJ104 smoke detector Optical beam detector Wired vs Dahua Technology DHI-FAD201A smoke detector Photoelectrical reflection detector Interconnectable Wired

8specifications compared
6differ
2identical
7known for one product only

Key differences

The Dahua Technology DHI-FAD201A smoke detector Photoelectrical reflection detector Interconnectable Wired has 24.5 mm more width than the Dahua Technology DH-YJ104 smoke detector Optical beam detector Wired (103 mm vs 78.5 mm). The Dahua Technology DH-YJ104 smoke detector Optical beam detector Wired has 11 mm more depth than the Dahua Technology DHI-FAD201A smoke detector Photoelectrical reflection detector Interconnectable Wired (115 mm vs 104 mm). The Dahua Technology DH-YJ104 smoke detector Optical beam detector Wired has 180 g more weight than the Dahua Technology DHI-FAD201A smoke detector Photoelectrical reflection detector Interconnectable Wired (300 g vs 120 g). Detector type: Optical beam detector on the Dahua Technology DH-YJ104 smoke detector Optical beam detector Wired, Photoelectrical reflection detector on the Dahua Technology DHI-FAD201A smoke detector Photoelectrical reflection detector Interconnectable Wired. Power source: DC on the Dahua Technology DH-YJ104 smoke detector Optical beam detector Wired, AC on the Dahua Technology DHI-FAD201A smoke detector Photoelectrical reflection detector Interconnectable Wired.

Power source
- DH-YJ104 smoke detector Optical beam detector Wired:DC
- DHI-FAD201A smoke detector Photoelectrical reflection detector Interconnectable Wired:AC
Operating temperature (T-T)
- DH-YJ104 smoke detector Optical beam detector Wired:-35 - 65 °C
- DHI-FAD201A smoke detector Photoelectrical reflection detector Interconnectable Wired:-10 - 55 °C
Width
- DH-YJ104 smoke detector Optical beam detector Wired:78.5 mm
- DHI-FAD201A smoke detector Photoelectrical reflection detector Interconnectable Wired:103 mm
Depth
- DH-YJ104 smoke detector Optical beam detector Wired:115 mm
- DHI-FAD201A smoke detector Photoelectrical reflection detector Interconnectable Wired:104 mm
Weight
- DH-YJ104 smoke detector Optical beam detector Wired:300 g
- DHI-FAD201A smoke detector Photoelectrical reflection detector Interconnectable Wired:120 g

Side by side

Differences highlightedShow differences only

Comparison of DH-YJ104, DHI-FAD201A
15 specifications	A Dahua Technology DH-YJ104 smoke detector Optical beam detector Wired Model DH-YJ104 View product	B Dahua Technology DHI-FAD201A smoke detector Photoelectrical reflection detector Interconnectable Wired Model DHI-FAD201A View product
Features1 differ
Detector typeDiffers	Optical beam detector	Photoelectrical reflection detector
Connectivity technology	Wired	Wired
Product colour	White	White
Alarm decibelsKnown for one	1.8 dB	Unknown — not stated by the source
Maximum rangeKnown for one	100 m	Unknown — not stated by the source
InterconnectableKnown for one	Unknown — not stated by the source	Yes
Housing materialKnown for one	Unknown — not stated by the source	ABS
Power1 differ
Power sourceDiffers	DC	AC
Input voltageKnown for one	24 V	Unknown — not stated by the source
Operational conditions1 differ
Operating temperature (T-T)Differs	-35 - 65 °C	-10 - 55 °C
Weight & dimensions3 differ
WidthDiffers	78.5 mm	103 mm
DepthDiffers	115 mm	104 mm
DiameterKnown for one	12.3 cm	Unknown — not stated by the source
WeightDiffers	300 g	120 g
HeightKnown for one	Unknown — not stated by the source	46 mm

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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