From solar weather monitoring stations to agrivoltaic fields and remote meteorological sites — the ACE family delivers Class A precision, rugged IP65 durability, and real-time cloud analytics across three purpose-built models: XTREME, DLG80, and DLG88L.
Choose Your Data Logger
XTREME Smart Data Logger
XTM XG920 / XG930
Advanced intelligent data logger with 24-bit ADC, 1,000 simultaneous parameters, and multi-network connectivity. Built for solar weather monitoring stations and wind metmast applications where bankable data is non-negotiable.
ACE Series · Data Loggers
Choose Your Data Logger
XTREME Smart Data Logger
Class A · IEC 61724-1:2021 · IEC 61400-12-1:2022
Advanced intelligent data logger with 24-bit ADC, 1,000 simultaneous parameters, and multi-network connectivity. Built for solar weather monitoring stations and wind metmast applications where bankable data is non-negotiable.
Engineered for Precision
Six core capabilities shared across the ACE data logger family.
See how XTREME leads the field
XTREME Smart Data Logger against ACE DLG80 and ACE DLG88L — every spec, side by side.
| Core Performance | |||
ADC Resolution XTREME achieves >20 Effective Number of Bits | 24-bit | Best 24-bit (>20 ENOB) | 12-bit Sigma-Delta |
ADC Accuracy | ±0.1% FS | Best ±0.01% FS at 30 °C ±0.03% FS (full range) | ±0.1% FS |
Simultaneous Parameters | — | Best 1,000 | 176 |
Min. Logging Interval | 1 minute | Best 1 second | 1 minute |
| Inputs & Interfaces | |||
Analog Channels | 8 SE / 4 Differential | Best XG920: 8 SE / 4 Diff XG930: 16 SE / 8 Diff | Davis & Aeron sensor suite |
Signal Input Types | 0–500 mV · 0–1 V 4–20 mA · PT100 · PT1000 | 0–100 mV · 0–5 V 0–20 mA · PT100 · PT1000 | Aeron / Davis compatible |
Digital I/O | — | Best 4 DI · 2 DO · 1 kHz | — |
Serial Interfaces | 2× RS485 Modbus RTU (Master + Slave) · RS232 | 2× RS232 · 3× RS485 SDI-12 | RS485 Modbus RTU SDI-12 |
Modbus Role | Master & Slave | Best 2 Master & 1 Slave | — |
| Connectivity | |||
Wireless Network | 4G LTE | Best 4G LTE · Wi-Fi Bluetooth | 4G LTE |
Wired Network | — | Best Ethernet | — |
Protocols | Modbus RTU LTE cloud | Best Modbus RTU/TCP IEC 60870-5-101/104 SFTP · HTTP/HTTPS | Modbus RTU LTE cloud |
Cloud Analytics DLG80: real-time PR & CUF for solar plants | Best Aeron Live3 (PR & CUF analytics) | Aeron Live3 | Aeron Cloud |
| Storage & Time | |||
Primary Storage | 8 GB micro-SD | Best 8 GB internal + 8 GB SD (exp. 32 GB) | 8 GB micro-SD (up to 32 GB) |
Data Capacity | 5+ years | 5+ years | 5+ years |
Data Retrieval | USB pen drive | Best USB · Web (local & remote) | USB to laptop |
Time Synchronisation | GPS | Best GPS · NTP · Cellular · Manual | Network server (sync on connect) |
| Power & Physical | |||
Power Supply DLG88L: solar-ready with onboard battery backup | 9–28 V DC | 9–28 V DC (<10 W) | Best 9–28 V DC + Li-ion 5200 mAh + 20 W solar |
IP Rating | IP65 | IP65 | IP65 |
Operating Temperature | — | Best −40 °C to +70 °C | −20 °C to +70 °C |
Housing | PC/ABS UV-resistant | PC UV-protected | ABS UV-protected |
Dimensions (mm) | 170 × 125 × 67.5 | 231 × 125 × 90 | 125 × 170 × 66.5 |
On-board Display | — | — | Best LCD 128×64 3-button keypad |
| Standards & Application | |||
IEC Standard XTREME also covers wind resource assessment | IEC 61724-1:2021 Class A | Best IEC 61724-1:2021 + IEC 61400-12-1:2022 | — |
CE Compliance | EN 61326-1:2021 | EN 61326-1:2013 | — |
Primary Application | C&I Solar Plants Agrivoltaic monitoring | Solar · Wind · Environment Industrial IIoT | Agriculture Meteorology |
Product Code(s) | 23009 | 24008 / 24009 | 23005 – 23008 |
| Explore & enquire | View Product | View Product | View Product |
Built to Work Together
The Altair ATRH sensor, Rigel 2 module sensor, and XTREME data logger form one bankable monitoring chain — from field to cloud.
Applications Across Industries
From solar weather stations to industrial IoT — purpose-built for every deployment.
Solar Weather Stations
Real-time irradiance, temperature, wind, and module data for bankable PR analytics and IEC 61724-1:2021 Class A reporting.
XTREME · DLG80
Agrivoltaic Monitoring
Monitor agricultural microclimate alongside solar performance — soil moisture, leaf wetness, rain, and irradiance from one device.
DLG80 · DLG88L
Wind Metmast
High-speed acquisition for wind speed, turbulence, and atmospheric parameters compliant with IEC 61400-12-1:2022.
XTREME XG930
Agricultural Weather
Davis and Aeron sensor integration for crop management, irrigation scheduling, and disease risk modelling across the field.
DLG88L
Environmental Monitoring
Air quality, soil health, and meteorological logging for research, regulatory compliance, and long-term environmental studies.
XTREME · DLG88L
Energy & Process Monitoring
Modbus RTU integration with inverters, energy meters, and SCADA for real-time plant performance tracking and fault diagnostics.
XTREME · DLG80