Delmhorst HT-4000 Thermo-Hygrometer
Delmhorst HT-4000 Thermo-Hygrometer
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Delmhorst HT-4000 Thermo-Hygrometer
Product Description
Product Description
The HT-4000 Thermo-Hygrometer is a must-have tool for water restoration professionals, offering fast, accurate readings of relative humidity, temperature, dew point, and vapor pressure. Its rugged design, bright display, and reliable RH/T sensor ensure precise environmental monitoring on restoration jobs. Ideal for mold, flood, and structural drying projects.
Our guarantee to you
Our guarantee to you
At Flood Buds, we are committed to providing you with high-quality products and exceptional customer service. We want you to be completely satisfied with your purchase, and we offer a 14-day guarantee to ensure we earn your trust. If you are not satisfied with your purchase for any reason, please contact us at customer@floodbuds.com
Get it between - and -.
The HT-4000 has been a game-changer for our flood jobs. It gives fast and accurate humidity and GPP readings every time. I’ve used it daily for months now, and it’s held up beautifully on tough sites
Why Choose FloodBuds?
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Restoration in 24/7, So Are We
Enjoy elite service, we pick-up calls day 24/7 at (833) 356-6323
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Industry Leading Guarantee
Full refund if you're not satisfied within 14 days. Purchase truly risk-free
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Price BEAT
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Compatible Accessories
HT-4000 Thermo-Hygrometer, Fast Environmental Readings, Start Drying Faster
The HT-4000 Thermo-Hygrometer is a professional-grade instrument designed specifically for water restoration experts who demand accuracy, speed, and durability. Engineered with the same high-performance RH/T sensor found in the Navigator Pro and TotalCheck meters, this stand-alone thermo-hygrometer delivers rapid, reliable readings for humidity, temperature, dew point, grains per pound (GPP), grains per kilogram (GPK), and vapor pressure. With a broad measurement range from 0% to 100% RH and -40°F to 255°F. It adapts to any restoration environment, from extreme moisture conditions to dry, controlled spaces.
Ideal for structural drying, flood damage repair, and mold remediation, the HT-4000 features a backlit digital display, reading hold function, auto shut-off, and a tough ABS body built for demanding job sites.
Its compact design fits easily in your tool kit, and the included sturdy plastic case ensures protection on the go. Backed by a 1-year warranty, it’s the perfect tool for serious water damage professionals.
HT-4000 Delmhorst, Accurate Data, Map Moisture Reliably to Guide Job Site Decisions
✅ Fast-Response RH/T Sensor: Quickly captures real-time temperature and humidity changes
✅ Comprehensive Measurement Ranges: Tracks RH, GPP, dew point, vapor pressure
✅ Digital Backlit Display: Easy-to-read screen in dark job sites
Delmhorst Thermo-Hygrometer, Reliable and Dependable for use in the Field
✅ Rugged ABS Construction: Long-lasting and impact-resistant for field work
✅ Compact and Lightweight: Easily portable for on-site inspections and jobs
✅ Sturdy Plastic Carrying Case: Protects device during transport and storage
Delmhorst HT-4000 What's Included in the Box?
✅ HT-4000 Thermo-Hygrometer unit
✅ 9V Battery
✅ Sturdy Plastic Carrying Case
✅ Comprehensive owner’s manual
✅ 1-year parts warranty for peace of mind
Delmhorst HT-4000 Top Reviews 4.5/5 ⭐⭐⭐⭐
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Michael Reynolds
⭐⭐⭐⭐⭐
The HT-4000 is hands-down the most dependable thermo-hygrometer I’ve used. Readings are fast and spot-on, which is critical when you're dealing with flood damage. Solid build and easy to carry on-site
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Lisa Thompson
⭐⭐⭐⭐
I love how compact yet powerful this tool is. The backlit display and quick-read sensor make my inspections way more efficient. Definitely a must-have for anyone in restoration -
Jason Mitchell
⭐⭐⭐⭐
After using cheaper meters that kept failing, I switched to the HT-4000 and never looked back. It’s accurate, rugged, and reliable. The plastic case it comes with is a great bonus too
Frequently Asked Questions
What are the specifications?
What are the specifications?
Relative Humidity Range: 0% – 100% RH
Temperature Range: -40°F to 255°F (-40°C to 124°C)
Dew Point Range: -40°F to 176°F (-40°C to 80°C)
GPP Range: 0.1 – 3820 GPP (Grains Per Pound)
GPK Range: 0.01 – 545 GPK (Grains Per Kilogram)
Vapor Pressure (PSI): 0 – 7 PSI
Vapor Pressure (kPa): 0 – 47 kPa
Display: Bright, backlit digital display
Size: 8 ½” x 3 3/8” x 1 ¾”
Weight: 11 oz
Power: 1 x 9V battery (included)
Construction: Rugged ABS body
Warranty: 1-year limited warranty
How long does shipping take?
How long does shipping take?
95% of orders are delivered to our customers within 5 business days
Maximum 10 business days for more remote locations
Overnight shipping is available for emergency equipment needs for an additional charge. Feel free to call us for our options at 833-356-6323.
Can I return or exchange?
Can I return or exchange?
Yes we allow returns without issue. If you are not happy with the product for whatever reason and within 14 days of purchase, we will accept the return of the product and refund your purchase
What types of payment do we accept?
What types of payment do we accept?
We accept major credit cards (Visa, Mastercard, American Express), digital wallets (Apple Pay, Google Pay, Shop Pay) and PayPal
How long does it take to be refunded?
How long does it take to be refunded?
We accept returns for a full refund if you would like to return within 14 days.
Once we receive the product back from you, we will issue the refund within 10 business days or less.
Please review our shipping and return policy for full information.
How will I be notified the product has shipped?
How will I be notified the product has shipped?
From the moment we ship your product, you will receive an email confirmation with tracking information.
What if my product arrives damaged?
What if my product arrives damaged?
Please contact us as soon as possible. We will coordinate with you to get new equipment sent. Reach out to customer@floodbuds.com
Do you have a restocking fee for returns?
Do you have a restocking fee for returns?
Flood Buds does not charge any restocking fees.
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