Dwyer Humidity Transmitter: 1/2 in NPT, 4 to 20 mA, 0%to 100% Relative Humidity Range
The Dwyer HHT-IU is a hazardous location humidity transmitter with a 1/2 in NPT connection, offering a 4 to 20 mA output and a 0% to 100% relative humidity range. It operates on a 9.5 to 28V DC power supply and is FM…
SKU 3G-OTH-187112
Also listed as: HHTIU · HHT IU
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.
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Product Description
The Dwyer HHT-IU is a hazardous location humidity transmitter with a 1/2 in NPT connection, offering a 4 to 20 mA output and a 0% to 100% relative humidity range. It operates on a 9.5 to 28V DC power supply and is FM approved.
Frequently Asked Questions
What is the Dwyer HHT-IU humidity transmitter used for?
The Dwyer HHT-IU is a hazardous location humidity transmitter used in industrial environments requiring FM approval. It measures 0% to 100% relative humidity and outputs a 4 to 20 mA signal, suitable for process control in chemical plants, refineries, and other explosive atmospheres.
What are the specifications of the Dwyer HHT-IU?
The Dwyer HHT-IU has a 1/2 in NPT connection, 4 to 20 mA output, 0% to 100% relative humidity range, and operates on 9.5 to 28V DC power. It is FM approved and features a female connection. The manufacturer part number is HHT-IU.
Where to buy the Dwyer HHT-IU worldwide?
3G Electric supplies the Dwyer HHT-IU humidity transmitter worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this FM-approved hazardous location transmitter.
How to install the Dwyer HHT-IU humidity transmitter?
Install the Dwyer HHT-IU in a hazardous location per FM guidelines. Use the 1/2 in NPT female connection for mounting. Wire the 4 to 20 mA loop to a 9.5 to 28V DC supply. Ensure the sensor is exposed to the process air and avoid condensation on the sensing element.
Used in
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3G Electric supplies Dwyer hazardous location transmitters. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
