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 — the Philippines
- Delivery
- 5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
- Payment
- Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
- Ships to
- Manila, Quezon City, Cebu, Davao, Batangas
Need installation or engineering help?
Ask a question
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.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
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
Common applications for DwyerDwyer Products
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.
