ARC-1

Features

• Battery operated with a lifetime of up to ten years
• High level of data security thanks to internal memory
• Robust stainless metal housing
• IP68 protection (transmission does not work under water)
• Includes licence-free KELLER software
• Available in various versions for ideal integration

Functions

• Remote transmitter: Modules selectable for 2G/3G, 4G or LoRa
• Data loggers: 56,000 measuring points as a buffer for energy-saving data transfer (e.g. only once a day)
• Sensor interfaces: compatible with all KELLER level sensors and pressure transmitters
• Internal measured values: barometer, temperature and moisture sensor and real-time clock (RTC)

Typical applications

• Ground water level monitoring
• Flood early warning system
• Tank level monitoring

Versions

ARC-1 Tube:

for installation in 2ˮ tubes

ARC-1 Box:

for simple wall installation

ARC-1 Box SB:

for connecting intrinsically safe level sensors and pressure transmitters

Connectivity	2G: GSM, GPRS / EDGE 3G: UMTS, HSDPA optional: 4G: including 3G/2G, country-specific modules LoRa: country-specific modules (868 or 915 MHz)
Transmission types	SMS, e-mail (POP, SMTP), FTP (active, passive)
Encryption protocol	TLS v1.0 (can be activated)
Sensor interfaces	RS485 with KELLER bus protocol SDI-12 for multi-parameter sensors from third-party providers

Kolibri Cloud
The Kolibri Cloud from KELLER offers simple and convenient access to your measurement data with your own personal login and SSL encryption.The measurements can be displayed as graphs in no time at all and the export function allows you to download your data as Excel or CSV files.

Datamanager
The user-friendly free of charge software Datamanager works as a central monitoring, controlling and organizing unit. It collects and displays measurements received from the ARC-1 unit and stores them in a MySQL database.