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User’s Manual
2
Type Parameter Description
Communication Distance
DHI-ARD1731-W2(868):
RF: Up to 1,600 m (5,249.34
ft) in an open space
RF-HD: Up to 300 m
(984.25 ft) in an open
space
DHI-ARD1731-W2:
RF: Up to 1,200 m
(3,937.01 ft) in an open
space
RF-HD: Up to 300 m
(984.25 ft) in an open
space
Communication
Mechanism
Two-way
Frequency Hopping Yes
Encryption Mode AES128
General
Power Supply CR123A× 3
Battery Life
4 years (if triggered twice a week with a battery
efficiency of 70%)
Operating Temperature –10 °C to +55 °C (+14 °F to +131 °F) (indoor)
Operating Humidity 10%–90% (RH)
Product Dimensions 127.6 mm× 71.0 mm× 53.2 mm (5.02" × 2.80" × 2.09")
Packaging Dimensions 121.0 mm× 65.0 mm× 170.0 mm (4.76" × 2.56" × 6.69")
Net Weight 202 g (0.45 lb)
Gross Weight 333 g (0.73 lb)
Installation Wall mount
Casing PC + ABS
Certifications
EN 50131-1:2006 +
A1:2009 + A2:2017 +
A3:2020
EN 50131-2-2:2021
EN 50131-6:2017
EN 50131-5-3:2017
EN 50130-4:2011 +
A1:2014(+)
Security Grade 2
Environmental Class II
CE
CE; FCC
Technica
l
Detection Mode PIR
Sensitivity 3 levels adjustable
Detection Range
12 m (39.37 ft) (86°) with installation height of 2.2 m
(7.22 ft)
Detection Speed 0.3 m/s-3 m/s (0.98 ft/s-9.84 ft/s)
Pet Immunity Level ≤18 kg (39.68 lb)
White Light Resistance
Level
2000 lux
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