We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

LIEBERT Temperature and Humidity Sensor: Return Duct Mount, 41°F to 131°F, Plastic - Room Temperature & Humidity Sensors
LIEBERTRoom Temperature & Humidity Sensors

LIEBERT Temperature and Humidity Sensor: Return Duct Mount, 41°F to 131°F, Plastic

The LIEBERT Temperature and Humidity Sensor (SKU 3G-OTH-70821, MPN 181464G7S) is a return duct mount sensor with a plastic housing and no display. It measures relative humidity from 0 to 99% with an accuracy of ±2%…

SKU 3G-OTH-70821

Brand
LIEBERT
Item
Temperature and Humidity Sensor: Return Duct Mount, 41°F to 131°F, Plastic
Category
Room Temperature & Humidity Sensors
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

LIEBERT
Manufacturer Part Number
181464G7S
Type
41°F to 131°F, Plastic, Single Measurement
Display
No Display
Housing
Plastic
Product Type
Temperature and Humidity Sensor
Mounting Location
Return Duct Mount
Relative Humidity Range
0 to 99%
Electrical Connection Type
Modular Jack
Relative Humidity Accuracy
±2% of Full Scale

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

LIEBERT Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The LIEBERT Temperature and Humidity Sensor (SKU 3G-OTH-70821, MPN 181464G7S) is a return duct mount sensor with a plastic housing and no display. It measures relative humidity from 0 to 99% with an accuracy of ±2% of full scale and connects via a modular jack.

Frequently Asked Questions

What is the LIEBERT Temperature and Humidity Sensor 181464G7S used for?

This LIEBERT sensor monitors temperature and humidity in HVAC return ducts for data centers or critical environments. It ensures precise environmental control by measuring relative humidity from 0 to 99% with ±2% accuracy, helping prevent equipment damage from moisture or heat fluctuations.

What are the specifications of the LIEBERT 181464G7S sensor?

The LIEBERT 181464G7S is a return duct mount sensor with a plastic housing and no display. It measures relative humidity from 0 to 99% with ±2% accuracy, connects via a modular jack, and operates from 41°F to 131°F. It is designed for single measurement of temperature and humidity.

Where to buy the LIEBERT 181464G7S sensor worldwide?

3G Electric supplies the LIEBERT 181464G7S sensor worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this sensor to any country.

How to install the LIEBERT return duct mount sensor?

Mount the LIEBERT sensor in the return air duct using the provided bracket, ensuring proper airflow across the sensing element. Connect the modular jack to the control system. Avoid direct sunlight or heat sources. Follow generic HVAC sensor best practices for wiring and sealing to prevent false readings.

Used in

Common applications for LIEBERT
Data center cooling maintenance — Liebert humidifier tanks (SKU 42FH77) for steam media replacement
HVACR pressure monitoring — Liebert adjustable pressure switches (SKU 913ME2) for air systems
Precision cooling system repair — Liebert contactors (SKU 877HY0) for electrical switching
Heat exchanger servicing — Liebert heaters (SKU 116K80) for 460V AC applications
Chilled water valve control — Liebert electric globe valve actuators (SKU 809C57) for 24V AC systems
Humidifier drain system upkeep — Liebert drain valve kits (SKU 413GR2) for OEM replacement

LIEBERT Products

3G Electric supplies LIEBERT room temperature & humidity sensors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
Humidity Sensor: Duct Mount, 32°F to 131°F, Plastic, Single Measurement, Plastic (MPN HE-69135NS-0)
JOHNSON CONTROLS
Humidity Sensor: Duct Mount, 32°F to 131°F, Plastic, Single Measurement, Plastic (MPN HE-69135NS-0)
Humidity Sensor: Duct Mount, 32°F to 131°F, Plastic, Single Measurement, Plastic (MPN HL-69158NP-0)
JOHNSON CONTROLS
Humidity Sensor: Duct Mount, 32°F to 131°F, Plastic, Single Measurement, Plastic (MPN HL-69158NP-0)
Siemens
Siemens
Humidity and Temperature Sensor: Duct Mount, 32°F to 122°F, Polycarbonate, Single Measurement (MPN QFM2171)
Siemens
Siemens
Humidity and Temperature Sensor: Duct Mount, 32°F to 122°F, Polycarbonate, Single Measurement (MPN QFM3171)
Humidity and Temperature Sensor: Duct Mount, 32°F to 131°F, Plastic, Single Measurement, Plastic (MPN HE-69120NP-0)
JOHNSON CONTROLS
Humidity and Temperature Sensor: Duct Mount, 32°F to 131°F, Plastic, Single Measurement, Plastic (MPN HE-69120NP-0)
Siemens
Siemens
Humidity and Temperature Sensor: Duct Mount, 32°F to 122°F, Polycarbonate, Single Measurement (MPN QFM3160)

More from LIEBERT

View all LIEBERT parts