ND-ATM41G2
Weather Stations

ND-ATM41G2 — 11-Parameter All-in-One Weather Station

What is the ND-ATM41G2? The ND-ATM41G2 is an all-in-one weather station sensor that measures eleven environmental parameters — air temperature, humidity, wind speed and direction, rain, solar radiation, barometric pressure, vapour pressure, tilt and lightning — from a single solid-state device with no moving parts. It connects to the yDoc ML-525 datalogger via Modbus or SDI-12.

Eleven critical environmental parameters from one compact, calibrated sensor.

The ND-ATM41G2 is a complete all-in-one weather station built for permanent outdoor deployment. From a single, compact unit — with no moving parts — it measures air temperature, relative humidity, vapour pressure, barometric pressure, wind speed, wind gust, wind direction, precipitation, solar radiation, tilt and lightning activity. It connects directly to the yDoc ML-525 datalogger over Modbus or SDI-12 for reliable remote data acquisition.

A solid-state ultrasonic anemometer and a piezoelectric rain sensor mean there are no propellers, no tipping buckets, and no moving parts to wear out, freeze or mis-calibrate. Combined with the energy efficiency and rugged IP67 housing of the yDoc ML-525, the result is a weather station that can be installed once and trusted for years — in agricultural fields, on rooftops, in remote mountain catchments or along urban streets.

11 parametersModbus / SDI-12No moving partsLightning detection
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ND-ATM41G2
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Parameters at a glance

11 parameters from one sensor

Every measurement you need for a complete weather station, captured by a single ruggedised solid-state device.

Air temperature

−0 to +60 °C, ±0.2 °C accuracy

Relative humidity

0–100 % RH, ±3 % typical

Wind speed

0–60 m/s ultrasonic

Wind direction

0–359°, ±5° accuracy

Wind gust

0–60 m/s peak detection

Precipitation

0–1500 mm/h, 0.017 mm resolution

Solar radiation

0–1750 W/m², ±5 % typical

Barometric pressure

1–120 kPa, ±0.05 kPa

Vapour pressure

0–47 kPa, ±0.2 kPa typical

Tilt

0–180°, ±1° accuracy

Lightning detection

0–40 km, strike count + average distance

Specifications

Technical specifications

Full measurement ranges, resolutions and accuracies for every parameter.

ParameterPropertyValue
Air temperatureRange−50 to +60 °C
Resolution0.1 °C
Accuracy±0.2 °C
Relative humidityRange0–100 % RH
Resolution0.1 % RH
Accuracy±3 % RH typical
Wind speed / gustRange0–60 m/s
Resolution0.01 m/s
Accuracygreater of 0.3 m/s or 6 % of measurement
Wind directionRange0–359°
Resolution1°
Accuracy±5°
PrecipitationRange0–1500 mm/h
Resolution0.017 mm
Accuracy±5 % from 0–1000 mm/h
Solar radiationRange0–1750 W/m²
Resolution1 W/m²
Accuracy±5 % typical
Barometric pressureRange1–120 kPa
Resolution0.01 kPa
Accuracy±0.05 kPa @ 25 °C
Vapour pressureRange0–47 kPa
Resolution0.01 kPa
Accuracy±0.2 kPa typical below 40 °C
TiltRange0–180°
Resolution0.1°
Accuracy±1°
Lightning strike countRange0–65 535 strikes
Resolution1 strike
Accuracy> 25 % detection at < 10 km typical
Lightning average distanceRange0–40 km
Resolution3 km
NotesVariable accuracy with distance
MechanicalSensor head100 × 100 × 340 mm
Cable5 m
MountingVertical pole / mast
Applications

Where the ND-ATM41G2 is used

Smart agriculture

Optimise irrigation, frost protection and spraying decisions with real-time field weather data — down to the individual block or greenhouse.

Urban heat islands

Map temperature and humidity contrasts across city districts to plan tree planting, cooling interventions and public health alerts.

Frost alarming

Trigger warnings the moment air temperature, dew point and wind conditions point to imminent frost — critical for fruit and viticulture.

Building automation

Feed real-time weather into HVAC, shading and rainwater systems for energy-efficient and comfort-driven building operation.

Micro-climate research

Capture site-specific climate data for ecological studies, mountain hydrology and renewable energy site assessment.

Road weather monitoring

Inform winter road maintenance and traffic safety with precise wind, precipitation and lightning data along corridors.

Integration

Powered by the yDoc ML-525 datalogger

The ND-ATM41G2 connects directly to the yDoc ML-525 over Modbus or SDI-12. The datalogger powers the sensor, schedules measurements, stores readings locally, and transmits them to the Sensor-Online platform over 4G/LTE-M, NB-IoT, LoRaWAN, satellite or Ethernet — with up to 10 years of battery life.

Learn about the yDoc ML-525
FAQ

Frequently asked questions about the ND-ATM41G2

What does the ND-ATM41G2 measure?+
The ND-ATM41G2 is an all-in-one weather station that simultaneously measures eleven environmental parameters: air temperature, relative humidity, vapour pressure, barometric pressure, horizontal wind speed, wind gust, wind direction, precipitation, solar radiation, tilt and lightning activity (strike count and average distance).
How does the ND-ATM41G2 connect to the yDoc ML-525 datalogger?+
The ND-ATM41G2 communicates with the yDoc ML-525 over Modbus RTU or SDI-12 via a direct wired connection. The yDoc ML-525 powers the sensor, polls all eleven parameters at a configurable interval, stores the readings locally, and transmits them to the Sensor-Online platform via 4G/LTE-M, NB-IoT, LoRaWAN, satellite or Ethernet.
Does the ND-ATM41G2 have any moving parts?+
No. Wind is measured with a solid-state ultrasonic anemometer and precipitation with a piezoelectric rain sensor. There are no cups, vanes, propellers or tipping buckets, which means no moving parts to wear out, freeze, or require regular maintenance — a major advantage for unattended remote stations.
What is the wind measurement range and accuracy?+
Horizontal wind speed and wind gust are both measured from 0 to 60 m/s with a resolution of 0.01 m/s. Accuracy is the greater of 0.3 m/s or 6 % of the measurement. Wind direction is measured 0–359° with ±5° accuracy.
How accurate is the lightning detection?+
The ND-ATM41G2 detects lightning strikes within 0–40 km, reporting both a strike count (0–65 535) and an average distance with 3 km resolution. Detection probability is typically greater than 25 % within 10 km, which is sufficient to provide early-warning style alerts and statistical lightning activity records, but not for safety-critical lightning protection systems.
How is the ND-ATM41G2 mounted in the field?+
The sensor head (100 × 100 × 340 mm) is mounted vertically on a pole or mast using the supplied bracket. A 5 m cable connects to the yDoc ML-525 housing, which can be mounted at the base of the mast. For accurate measurements the sensor should be installed in an open location, away from buildings, trees and other obstructions, and levelled (the built-in tilt sensor confirms installation alignment).
Is the ND-ATM41G2 calibrated and how often does it need to be re-calibrated?+
Each ND-ATM41G2 ships factory-calibrated against traceable references. Because all sensing elements are solid-state, calibration drift is very low. For most applications no field re-calibration is required for the lifetime of the sensor; high-accuracy meteorological reference deployments may benefit from a manufacturer recalibration every few years.
Is the precipitation measurement reliable in snow?+
The piezoelectric rain sensor is optimised for liquid precipitation. Snow and frozen precipitation are detected as the equivalent of liquid water once melted, but for snow-dominated sites a heated tipping-bucket rain gauge (such as the ND-TBRG with a heater accessory) is recommended in addition for accurate winter accumulation totals.

Ready to deploy the ND-ATM41G2?

Get a quote, technical advice, or a complete bundle with the yDoc ML-525 datalogger and Sensor-Online platform subscription.

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