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Technical Specs
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General characteristics
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Chip Ember EM250
Compatible IEEE 802.15.4
Stack EmberZnet 3.5.x (ZigBee PRO)
Modbus/RTU
Device address settable via internal dip-switch
Wall mounting with screws
Cable gland: PG9
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RF characteristics
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Frequency: 2405 MHz ÷ 2480 MHz
Modulation: DSSS
Nominal transmission power: 2mW (3 dBm)
Reception sensitivity: -95 dBm
Internal antenna gain: 0 dB
Coverage outdoor/indoor: 100m/30m
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Supply
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AA high energy density lithium battery 3,6V/2000mAh
Battery life: 3 years in case of 1 transmission per minute at 20°C
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Thermal sensor input
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NTC sensor
103AT type (R25 = 10 KOhm; Beta = 3435K)
Measurement range: -50°C ÷ +100°C
Measurement resolution: 0,1°C
Measurement accuracy: ±0,5°C
Measures are linearized at tenth of degree
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Digital inputs
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Electronic type not insulated inputs for clean contact
Short circuit current 0,01mA. Use self-cleaning contacts
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Connections
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Pull out terminals (3,81 mm pitch)
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Environment parameters
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Operating temperature: -10 ÷ +60°C; <80% U.R. not condensing
Storage temperature: -20 ÷ +70°C; <80% U.R. not condensing
Degree of protection: IP 55
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Compliant with 2006/95/EEC,
89/336/EEC, 99/5/EEC directives
Reference Norms
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ETSI EN 300 328: Radio Compatibility for digitals wide band transmissions
ETSI EN 301 489: Radio Compatibility
EN 61000-6-2: Electromagnetic Compatibility - Emissions
EN 61000-6-3: Electromagnetic Compatibility - Immunity
EN 60950-1: Electric Safety
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