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Product comparison · 2 motion detectors

Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White vs Dahua Technology DHI-ARD323-W2(S) motion detector Passive infrared (PIR) sensor Wireless

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  • 14specifications compared
  • 10differ
  • 4identical
  • 17known for one product only

Key differences

The Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White has 85.2 mm more width than the Dahua Technology DHI-ARD323-W2(S) motion detector Passive infrared (PIR) sensor Wireless (106 mm vs 20.8 mm). The Dahua Technology DHI-ARD323-W2(S) motion detector Passive infrared (PIR) sensor Wireless has 6.2 mm more depth than the Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White (100.2 mm vs 94 mm). The Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White has 190.7 mm more height than the Dahua Technology DHI-ARD323-W2(S) motion detector Passive infrared (PIR) sensor Wireless (211 mm vs 20.3 mm). Operating temperature (T-T): -25 - 60 °C on the Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White, -10 - 55 °C on the Dahua Technology DHI-ARD323-W2(S) motion detector Passive infrared (PIR) sensor Wireless.

  • Operating temperature (T-T)
    • -25 - 60 °C
    • -10 - 55 °C
  • Width
    • 106 mm
    • 20.8 mm
  • Depth
    • 94 mm
    • 100.2 mm
  • Height
    • 211 mm
    • 20.3 mm
  • Weight
    • 651 g
    • 70 g
  • Package width
    • 251 mm
    • 98.5 mm
  • Package depth
    • 116 mm
    • 135 mm
  • Package height
    • 119 mm
    • 27.8 mm

Side by side

Differences highlightedShow differences only
31 specifications
A

Dahua Technology

DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White

Model DHI-ARD2251E-W2

View product
B

Dahua Technology

DHI-ARD323-W2(S) motion detector Passive infrared (PIR) sensor Wireless

Model DHI-ARD323-W2(S)

View product
Featuresidentical
Mounting typeKnown for oneWall
PlacementKnown for oneIndoor, Outdoor
LED indicatorsKnown for oneAlarm
Product colourKnown for oneWhite
Security algorithmsKnown for one128-bit AES
Detection angleKnown for one90°
Housing materialKnown for onePolycarbonate (PC)
International Protection (IP) codeKnown for oneIP66
LED colourKnown for oneGreen
Security1 differ
Sensor typeDiffersPassive infrared (PIR) sensor/Microwave sensorPassive infrared (PIR) sensor
Connectivity technologyWirelessWireless
Transmit powerKnown for one10 dBmW
Alarm functionYesYes
Detection distanceKnown for one15 m
InterfaceKnown for oneRF
Operating frequency433.1 - 434.6 MHz433.1 - 434.6 MHz
Transmission distanceKnown for one1200 m
Poweridentical
Power source typeKnown for oneBattery
Battery typeKnown for oneCR123A
Number of batteries supportedKnown for one4
Operational conditions1 differ
Operating relative humidity (H-H)10 - 90%10 - 90%
Operating temperature (T-T)Differs-25 - 60 °C-10 - 55 °C
Storage temperature (T-T)Known for one-25 - 60 °C
Weight & dimensions4 differ
WidthDiffers106 mm20.8 mm
DepthDiffers94 mm100.2 mm
HeightDiffers211 mm20.3 mm
WeightDiffers651 g70 g
Packaging data4 differ
Package widthDiffers251 mm98.5 mm
Package depthDiffers116 mm135 mm
Package heightDiffers119 mm27.8 mm
Package weightDiffers860 g115 g

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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