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Product Family

Vertiv™ Geist™ Temperature, Humidity, Dew Point Sensor

Temperature, humidity, and dew point sensor. Includes a supplementary input for daisy-chaining additional sensors. Various sensor lengths available. Compatible with Vertiv™ Geist™ rPDUs and Environmental Monitors.

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Best Suited For:
  • Broadcast and Entertainment
  • Banking, Financial and Insurance
  • Data Center/Colocation/Hosting
  • Education
  • Government
  • Healthcare
  • Manufacturing
  • Military, Defense, Aerospace and Missile
  • Professional Services
  • Retail and Wholesale
  • Telecom
  • Transportation
Warranty: Vertiv™ Geist™ Environmental Sensors come with a standard three-year warranty that is automatically extended to five years if the product is registered within 120 days of purchase.

Temperature, humidity, and dew point sensor used to monitor critical environments. Various sensor lengths available.

Model Specifications Overview
GTHD Vertiv™ Geist™ Environmental Sensor
Temperature, Humidity, Dew Point Sensor   Cable Length: 10ft/ 3m   Plug-n-Play Sensor  
GTHD-50 Vertiv™ Geist™ Environmental Sensor
Temperature, Humidity, Dew Point Sensor   Cable Length: 50ft / 15.2m   Plug-n-Play Sensor  


Protect critical IT infrastructure by strategically monitoring data center, server room and network closet environments. 
Ideal for monitoring temperature, humidity, and dew point across a row of racks. 
Receive alerts when user-defined thresholds are breached to avoid downtime.
 Standard three-year warranty, upgraded to five years with product registration.  


Simple installation and configuration on Vertiv™ Geist™ Environmental Monitors and rPDUs. 
Connects to a Vertiv™ Geist™ Environmental Monitor or rPDU via Plug-n-Play sensor port.
 Daisy-chain sensors together to simplify installation and cable management
 Access real time sensor data from the secure web interface and receive alerts via Email, SNMP, or Email-to-SMS.  

*To see model-specific downloads, you will need to go to the model-specific product page by selecting the model name in the specifications chart above.

Find Your Area Contact

Products Support Contacts

Showing contacts for Virginia, 20149, USA Change
Geist Support - Americas (Rack PDU and Watchdog)
+1 888 630 4445
1777 Yolande Avenue Lincoln Nebraska USA
Product areas of focus: Power Distribution, Monitoring
Vertiv (Customer Service for Albér Products)
+1 954 377 7101
7775 West Oakland Park Blvd Sunrise Florida 33351 USA
Product areas of focus: Monitoring

Frequently Asked Questions

How accurate is my temperature sensor?
It is accurate to +/- 0.5°C.
Can I place an offset on the sensor to compensate for the heat?
You can set a temperature offset for the internal sensor on the Sensors/Overview page. You will need to be logged in as an admin user and select the Wrench Icon next to the Device Label.
What are the most popular remote sensors?
Remote Temperature for monitoring "hot" spots and other trouble areas Water Sensor to check for water leaks Door Contact Sensor to see if a door is open Remote temperature / air flow / humidity for ensuring the proper environment Climate monitoring in remote locations.
What is the difference between analog and digital sensors?
Analog sensors connect through the analog inputs. These sensors are either a dry contact or provide a 0 to 5VDC signal. On the Web interface, they show up as "IO" sensors and have a value 0 to 99. Digital sensors connect to digital input ports and communicate through a serial protocol. These are also referred to as Plug-n-Play, Remote, or External sensors. Digital sensors are auto-detected by the climate monitor. Measurements from these devices are graphed and report in the appropriate units.
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