Product Description

The Decentlab DL-ZN1 comes with a linear position dendrometer that can measure the growth of plants and trees. It is suitable for use in irrigation control, smart agriculture, forestry, plantation, and ecophysiology applications.

Features

LoRaWAN®-enabled O- or T-shaped point dendrometer.
Measures swelling and shrinkage of stems, branches or roots with a sub-micrometer resolution.
Carbon fiber (CFK) frame combined with stainless steel elements for superior long-term and temperature stability.
Measurement range: 20000 µm = 20 mm.
Compatible with LoRaWAN® networks of any provider.
Place and measure: no setup required.
Configurable via command line interface and downlink command interface.
Unattended real-time monitoring for several years without replacing batteries.
Robust polycarbonate enclosure: weatherproof, impact-, UV-resistant (IP67).
Standard alkaline (C-type) batteries.
CE compliant, Radio Equipment Directive (RED) 2014/53/EU.

Device Variants

DL-ZN1-001: T-shaped dendrometer
DL-ZN1-002: O-shaped dendrometer
DL-ZN2-001: T-shaped dual dendrometer (two displacement transducers)
DL-ZN2-002: O-shaped dual dendrometer (two displacement transducers)

Parameters

Internal battery type	2 × alkaline C batteries (LR14)
Power consumption (average)	≤ 0.5 mW (10 min interval)
Battery lifetime estimation	9.3 years (10 min interval, SF7) 4.4 years (10 min interval, SF12) 15.8 years (60 min interval, SF7) 12.1 years (60 min interval, SF12)

Wireless technology	LoRaWAN®
Wireless security	AES-128 data encryption
Wireless range	> 10 km (line of sight1), approx. 2 km (suburban)
RF transmit power	14 dBm (25 mW)
Effective radiated power	11.9 dBm maximum
Receiver sensitivity	-146 dBm 3
Frequency bands	868 MHz (EU version), 915 MHz (US, AS, AU versions)

Dendrometer dimensions	190 × 92 × 8 mm (T-shaped dendrometer plate)
Weight	200g
Sensor device dimensions	135 × 81 × 70 mm (not including sensor / cable)
Sensor device weight	400 g including batteries (270 g without batteries)

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Decentlab ZN1 Dendrometer T shape for stem

Product Description

Features

Device Variants

Parameters