EM300-ZLD is a compact zone leakage detection sensor for detecting large area presence of water (or other liquids) and transmitting alarm using LoRaWAN® technology. With this low power consumption technology, EM300-ZLD can work up to 5 years with 4000 mAh battery. Combining with Milesight LoRaWAN® gateway and Milesight IoT Cloud solution, users can manage all sensor data remotely and visually and receive alarms via mobile APP.
EM300-ZLD also integrates temperature and humidity sensors, which has a great use for applications such as pipe leakage monitoring, basement flooding, pump failure, etc.
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Wireless Transmission |
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Technology |
LoRaWAN®, Milesight D2D |
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Frequency |
CN470/IN865/RU864/EU868/US915/AU915/KR920/AS923-1&2&3&4 |
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Tx Power |
16dBm(868 MHz)/20dBm(915 MHz)/19dBm(470 MHz) |
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Sensitivity |
-137dBm @300bps |
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Mode |
OTAA/ABP Class A |
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Measurement |
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Leakage Detection |
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Liquid Type |
Conducting liquid |
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Trigger Condition |
When liquid level reaches 5mm |
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Detection Cable |
3m (Customizable) |
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Temperature |
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Range |
-30°C to + 70°C |
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Accuracy |
0°C to + 70°C (+/- 0.3°C), -30°C to 0°C (+/- 0.6°C) |
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Resolution |
0.1°C |
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Humidity |
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Range |
0% to 100% RH |
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Accuracy |
10% to 90% RH (+/- 3%), below 10% and above 90% RH (+/- 5%) |
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Resolution |
0.5% RH |
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Operation |
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Power On & Off |
NFC, Power Button (Internal) |
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Configuration |
NFC Configuration via Mobile App |
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Advanced Feature |
Milesight D2D Controller, Data Storage, Data Retransmission |
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Physical Characteristics |
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Power Supply |
1 × 4000 mAh ER18505 Li-SOCL2 Battery (extendable to 2 batteries) |
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Battery Life* |
10 years (10 min interval + 24 triggers per day) |
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Operating Temperature |
-30°C to +70°C |
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Relative Humidity |
0% to 100% (non-condensing) |
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Ingress Protection |
IP67 |
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Dimension |
105.6 × 85.3 × 27 mm (4.16 × 3.36 × 1.06 in) |
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Installation |
Wall Mounting |
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Approvals |
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Regulatory |
CE, FCC |
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Environmental |
RoHS |
