ZL6 Basic Data Logger
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ZL6 Basic
Simple Data Logger

Back to basics data logger

Everyone loves our ZL6 data logger paired with ZENTRA Cloud for easy access to near-real-time data from anywhere in the world. But if cost is more important than convenience, and you need an ultra-robust, entry-level logger that is practically maintenance free, you’ll love the ZL6 Basic—a powerful, all-in-one solution that’s as effortless to set up as it is to use.

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Plug sensors in and walk away

The ZL6 Basic data logger requires little setup. Just plug sensors in and the logger starts storing hourly averages of sensor readings. Bluetooth makes it easy to check the settings ensuring everything is just right. It connects up to six METER sensors, so you can monitor different parameters, such as weather, soil moisture, and soil water potential, all at the same time, giving you deeper insight. 

sensor ports

Low cost—high performance

The ZL6 Basic is a no-frills, self-contained data logger built to power, read, and log data from six plug and play sensors, which means no programming is necessary. With the ZL6 Basic data logger, you download data via Bluetooth to an app on your smartphone where it can be uploaded to the cloud. Or you can download data via USB. It works best for researchers who have no cell coverage or don’t need continuous data visualization. 

records stored (depending on sensor configuration)

METER is trusted by

A powerful workhorse that doesn’t quit

With the ZL6 Basic, you can focus on data. Not distractions. Low-cost, robust, simple to set up and use, the ZL6 Basic data logger is a dependable workhorse that delivers year after year. It provides the critical data you need to understand the soil-plant-atmosphere continuum, so you’ll never miss an important insight.


Data—there when you need it

User-driven data storage on the cloud allows you to share data with everyone on the project. No more trying to chase down the person who downloaded the data on an unknown hard drive. For automatic data transfer to the cloud, use the ZL6 data logger.

Uncomplicated. Almost unbreakable. And unbelievable.

We engineered the ZL6 Basic data logger to be extremely robust and low maintenance, so you can almost forget about your data logger completely. It’s powered by six alkaline batteries that last up to two years (1 year with ATMOS 41). An IP56-rated enclosure designed for shedding rain makes sure water doesn’t get in. And we’ve added fully round clasps and hinges that won’t break. Cable-free Bluetooth connect makes bringing your computer to the field an unhappy memory. Add on an optional cable security kit to ensure sensor cables don’t get yanked out. 

Feature ZL6 Basic ZL6 ZL6 Pro
Long-Range Telemetry Hardware for Automatic Uploads to ZENTRA Cloud 3G or 4G Cellular 3G or 4G Cellular
Hourly Data Uploads Included Included
Real-Time Data Uploads (15 min) Sold separately Included
GPS for Position and Timekeeping Included Included
Battery Technology Alkaline NiMH or alkaline NiMH or alkaline
Battery Charging Integrated solar panel Integrated solar panel
Measurement Interval 60 min 5 min to
12 hours
5 min to
12 hours
Flash Data Storage 2 MB 8 MB 8 MB
Reference Barometer Sold separately Included Included
Sensor Cable Strain Relief Sold separately Included Included
ZENTRA Cloud Subscription Sold separately Sold separately 3 years
Warranty 1 year 1 year 3 years
Included with Logger 6 alkaline batteries, Micro-USB communications cable, UV-stable plastic zip ties 6 NiMH rechargeable batteries, Micro-USB communications cable, UV-stable plastic zip ties, ZENTRA Cloud subscription sticker (inside logger) 6 NiMH rechargeable batteries, Micro-USB communications cable, ZENTRA Cloud subscription sticker (inside logger), Spare parts kit (including extra strain relief hooks and extra rubber gasket)


Feature summary

  • Ultra-rugged and durable construction

  • Download data via Bluetooth (shuttle data to ZENTRA Cloud via Bluetooth with ZENTRA Utility mobile, then download)

  • Plug and play with METER sensors

  • Six sensor ports

  • Low cost

  • Simple setup

  • Powered by six alkaline batteries that last up to two years (1 year with ATMOS 41)

  • Stores 20,000 to 30,000+ records depending on configuration

  • Best for researchers who have no cell coverage or don’t need continuous data visualization (See the ZL6 for viewing data on the go)

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