Smart Temperature, Humidity and Barometric Pressure Probe

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from € 149.10 excl. VAT

OMEGA Engineering

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Measured Temperature Range from -40 to 85°C, Humidity: 0 to 100% RH. 2x Digital I/O, and Modular M12 construction. OMEGA Smart Core enabled. Data Logging, Integrated Alarm and Control. Plug and Play Device Detection. Sensor health monitoring. More

The Omega Link SP-003 / SP-004 Environmental Monitoring Smart Probe provides temperature, relative humidity and barometric pressure readings. The SP-003-2 and SP-004-2 models additionally provide real-time Dewpoint, Humidex, and Heat Index readings. The SP-003/ SP-004 accepts Omega Link Smart Interfaces through its M12 8-pin connector.

Intuitive Configuration

Configure your Omega Link Smart Probe using SYNC’s intuitive configuration interface.

Edge Control and Built in I/O

The Omega Link probe features 2 configurable digital I/O pins. These can be used for a myriad of applications including driving relays, physical alarms, or sensing dry contacts like door switches. The SP-003 / SP-004 can also be utilized as an edge controller, with autonomous independent decision-making capabilities to generate local alarms or provide control outputs based on sensor inputs.

Smart Core Enabled

Smart core is integral to all Omega Link Smart Probes. This powerful suite of advanced features enable plug and play connectivity, alarms and notifications, data assurance, data logging, and storage.

Smart Interface Modularity

Customize your Omega Link Ecosystem with modular Smart Interfaces that connect and transmit data from your Smart Probe to the Omega Link Cloud.

Your Data at a Glance with Omega Link Cloud

Omega Link Cloud consolidates and brings your data to you when you need it, wherever you are. The intuitive cloud interface allows you to monitor and store your data, set alarms and alerts, and provides insights on device activity.

Omega Link SP-003 and SP-004 variants

Model Description
SP-003-1 3" Temperature, Humidity, Barometric Pressure - Tube Housing
SP-003-2 3" Temperature, Humidity, Barometric Pressure, Dewpoint, Humidex, Heat Index - Tube Housing
SP-004-1 3" Temperature and Humidity - Tube Housing
SP-004-2 5" Temperature, Humidity, Dewpoint, Humidex, Heat Index - Tube Housing
SP-004-4 3" Temperature and Humidity - Bulkhead Housing


Range: -40 to 85°C
Accuracy: ±0.3°C
Response Time: Less than 1 second

Accuracy: ±2.5% (0 to 80%); ±3.5% (80 to 100%)
Hysteresis: ±0.8%
Response Time: 8 seconds

Accuracy Over Full Range: ±6 mbar from 300 to 1100 mbar
Accuracy @ 25°C:±4 mbar from 700 to 1100 mbar

Voltage: 2.8 VDC - 3.3 VDC

VinHighThreshold= 2.2 VMAX
VinLowThreshold= 0.3 VMIN
VinMAX= 30 VDC

2x Open Drain 100 mA max

Operating Temperature: -40 to 85°C
Rating: IP67 when mated

Tube Housing:
Construction: Stainless Steel
Dimensions: 72 mm L x 15.9 mm OD
Bulkhead Housing:
Construction: Aluminium
Dimensions: 73 mm L x 15.9 mm OD x 18.5 mm Panel Opening

Agency Approvals: CE, EMC 2014/30/EU, LVD 2014/35/EU
Compatibility: Compatible with OEG, SYNC configuration software, Omega Link Cloud, and Modbus Networks