Skip to main content
Home / Thermo-hygrometers / RS485 Temperature Humidity Sensor 4-20MA Temperature Humidity Transmitter High-Precision Probe Analog Output

Attributes

Brand -
Category Machinery & Equipment / Thermo-hygrometers
Origin -
Communication Protocol RS485 (Modbus RTU)
Analog Output 4-20mA Current Loop
Temperature Range -40°C to +80°C
Humidity Range 0% to 100% RH
Accuracy (Temperature) ±0.5°C @ 25°C
Accuracy (Humidity) ±3% RH @ 25°C
Power Supply 12V DC to 24V DC
Probe Material Stainless Steel Sintered Filter
Response Time < 15 seconds
Protection Rating IP65 Waterproof

6 reviews

A

Anonymous

Mar 18, 2026

Rating: 5/5

Perfect for industrial monitoring

Installed this in our warehouse HVAC system. The 4-20mA output integrates seamlessly with our existing PLC controllers. Readings are stable and match our calibrated reference meter.

A

Anonymous

Mar 16, 2026

Rating: 4/5

Solid build quality

The housing feels robust and the IP65 rating gives me confidence for outdoor use. Setup took about 20 minutes including configuration of the Modbus address.

A

Anonymous

Mar 13, 2026

Rating: 4/5

Good value, easy setup

The RS485 wiring was straightforward using the provided pinout diagram. Accuracy seems solid for the price point. Only minor issue was the cable gland could be slightly tighter.

A

Anonymous

Mar 10, 2026

Rating: 5/5

Excellent precision

Compared this against a certified lab instrument and the deviation was negligible. Great choice for applications requiring consistent analog signals over long distances.

A

Anonymous

Mar 09, 2026

Rating: 5/5

Reliable data logging

Been running this sensor in a greenhouse environment for three months now. No drift detected yet. The stainless steel probe holds up well against high humidity conditions.

A

Anonymous

Mar 06, 2026

Rating: 5/5

Works as advertised

No complaints here. It provides real-time temperature and humidity data without lag. The support team was also helpful when I had questions about the register map.

5 FAQ

Q: Is the probe replaceable if it gets damaged?

A: The probe is integrated into the unit for better sealing and accuracy. If damaged, the entire unit typically needs replacement to maintain calibration integrity.

Q: How do I change the Modbus address?

A: You can change the Modbus address via software configuration tools using the default address, or by sending specific write commands to the holding registers as detailed in the manual.

Q: Does it come with a mounting bracket?

A: Yes, the package includes a stainless steel mounting bracket and screws for easy wall or duct installation.

Q: Can this sensor operate on a 12V power supply?

A: Yes, the device supports a wide voltage input range from 12V DC to 24V DC, making it compatible with standard industrial power sources.

Q: What is the maximum cable length for the RS485 connection?

A: Under ideal conditions with proper shielding and termination, RS485 can support cable lengths up to 1200 meters at lower baud rates.

Explore your interests

View More
All Categories
Best Seller (30)
New List (30)
Traditional Wooden Rattle Drum with Sheepskin Head for Early Education, Visual Tracking and Hearing Training for Newborn Boys and Girls

Traditional Wooden Rattle Drum with Sheepskin Head for Early Education, Visual Tracking and Hearing Training for Newborn Boys and Girls

$10.80

Car Tire Stone Removal Hook, Stainless Steel Multi-Function Tool for Cleaning Pebbles from Tires

Car Tire Stone Removal Hook, Stainless Steel Multi-Function Tool for Cleaning Pebbles from Tires

$6.21

Factory Direct Mining Round Link Chains - High Cost-Performance Lifting Chains for Mining Applications

Factory Direct Mining Round Link Chains - High Cost-Performance Lifting Chains for Mining Applications

$153.00

Hangzhou Stomatological Hospital Dental Implant Initial Consultation Package – CT Scan, Missing Tooth Exam, and Custom Implant Plan Design

Hangzhou Stomatological Hospital Dental Implant Initial Consultation Package – CT Scan, Missing Tooth Exam, and Custom Implant Plan Design

$1.00

Rockschool Acoustic Guitar Method Book (Chinese Edition) – Folk & Rock Guitar Grading Curriculum for Schools

Rockschool Acoustic Guitar Method Book (Chinese Edition) – Folk & Rock Guitar Grading Curriculum for Schools

$145.00

Commercial Food Warmer Cabinet, Small Heating Thermostat Display Counter for French Fries, Egg Tarts, Enlarged Chestnuts, and Fried Chicken

Commercial Food Warmer Cabinet, Small Heating Thermostat Display Counter for French Fries, Egg Tarts, Enlarged Chestnuts, and Fried Chicken

$334.00

Natural Green Peridot Crushed Stone, Small Raw Particles for Demagnetizing Energy, Aquarium Landscaping DIY Accessories

Natural Green Peridot Crushed Stone, Small Raw Particles for Demagnetizing Energy, Aquarium Landscaping DIY Accessories

$8.50

3M 5-Inch Flocked Abrasive Disc with Hook-and-Loop Backing – Polishing Pad for Angle Grinders, Rust Removal & Cleaning

3M 5-Inch Flocked Abrasive Disc with Hook-and-Loop Backing – Polishing Pad for Angle Grinders, Rust Removal & Cleaning

$3.20

Children DIY Art Rubbing Stick Round Painting Sponge Brush Graffiti Stamp Tool Kindergarten Rubbing Materials

Children DIY Art Rubbing Stick Round Painting Sponge Brush Graffiti Stamp Tool Kindergarten Rubbing Materials

$2.61

Over-Toilet Storage Rack for Bathroom - Organizer for Tissue, Toiletries, and Body Wash

Over-Toilet Storage Rack for Bathroom - Organizer for Tissue, Toiletries, and Body Wash

$23.46

Magbase Cable Organizer with Dual Strong Magnets for Car, Office, and Home - Holds Power Cables, Ethernet, and Charging Cables

Magbase Cable Organizer with Dual Strong Magnets for Car, Office, and Home - Holds Power Cables, Ethernet, and Charging Cables

$24.90

Multi-Purpose Industrial Wiping Cloth 30*35 - Lint-Free Oil-Absorbent Paper for Aviation, Metro, and Rail Systems

Multi-Purpose Industrial Wiping Cloth 30*35 - Lint-Free Oil-Absorbent Paper for Aviation, Metro, and Rail Systems

$98.00

Commercial Electric Dicing Machine - Multi-Function Slicer for Carrots and Potatoes

Commercial Electric Dicing Machine - Multi-Function Slicer for Carrots and Potatoes

$852.00

[Single Pack] Handwoven Bird Nest Drop Net Cotton Rope Crochet Fruit Mesh Bag Storage Organizer

[Single Pack] Handwoven Bird Nest Drop Net Cotton Rope Crochet Fruit Mesh Bag Storage Organizer

$10.36

Car Tire Lug Nuts - External Hex Cone Seat Wheel Bolts for Custom Rims

Car Tire Lug Nuts - External Hex Cone Seat Wheel Bolts for Custom Rims

$80.00

Infant Sheepskin Rattle Baby Toy for Courage Building, Solid Wood Unpainted Chewable Glue-Free Version for Audio-Visual Grasping Early Education

Infant Sheepskin Rattle Baby Toy for Courage Building, Solid Wood Unpainted Chewable Glue-Free Version for Audio-Visual Grasping Early Education

$18.25

New Transparent Heat-Preserving Display Case for Roast Duck - Commercial Crispy Pork Belly Warmer with Eco-Friendly Design

New Transparent Heat-Preserving Display Case for Roast Duck - Commercial Crispy Pork Belly Warmer with Eco-Friendly Design

$636.00

Electric Watercolor Spray Pen Children Hand-painted Color Pa

Electric Watercolor Spray Pen Children Hand-painted Color Pa

$46.55

Meiyike Water-Soluble Fertilizer with Major Elements – Hua Duo Duo No.1, No.2, No.10 Formulas, High Nitrogen, Phosphorus, Potassium Specialized Compound Fertilizer

Meiyike Water-Soluble Fertilizer with Major Elements – Hua Duo Duo No.1, No.2, No.10 Formulas, High Nitrogen, Phosphorus, Potassium Specialized Compound Fertilizer

$49.34

Waterproof Swim Bag, Wet Clothes Storage Tote with Handle, Large-Capacity Outdoor Hot Spring Pouch Dedicated for Mobile Phones

Waterproof Swim Bag, Wet Clothes Storage Tote with Handle, Large-Capacity Outdoor Hot Spring Pouch Dedicated for Mobile Phones

$59.96

Magic Expandable Bag, Foldable Shopping Tote, Portable Large-Capacity Storage for Grocery, Travel, and Mall Trips

Magic Expandable Bag, Foldable Shopping Tote, Portable Large-Capacity Storage for Grocery, Travel, and Mall Trips

$6.80

Dancolin Blending Stump Set for Oil Pastels, Art Student Tools for Heavy-Color Oil Painting, Dual-Tip Pointed and Round DIY Soft Wax Drawing, Smudging, Mixing, Highlighting, Erasable Knife for Painting and Color Blending

Dancolin Blending Stump Set for Oil Pastels, Art Student Tools for Heavy-Color Oil Painting, Dual-Tip Pointed and Round DIY Soft Wax Drawing, Smudging, Mixing, Highlighting, Erasable Knife for Painting and Color Blending

$16.80

Shanlian Hubei Brush Small Perfect Brush Washer - Ceramic Ink Dish, Calligraphy Cleaning Tool, Moisturizing Water Pot, Art Supply Decor

Shanlian Hubei Brush Small Perfect Brush Washer - Ceramic Ink Dish, Calligraphy Cleaning Tool, Moisturizing Water Pot, Art Supply Decor

$14.20

Yanyu Mineral Water Fish Tank Stand - Triangular Bracket for Inverted Bottle Self-Made Water Circulation System

Yanyu Mineral Water Fish Tank Stand - Triangular Bracket for Inverted Bottle Self-Made Water Circulation System

$17.05

Jingdezhen Pink Peony Flourishing Tea Canister Ceramic Lidded Loose Tea Storage Jar CYG-4578 One Jin Capacity Pu'er

Jingdezhen Pink Peony Flourishing Tea Canister Ceramic Lidded Loose Tea Storage Jar CYG-4578 One Jin Capacity Pu'er

$450.60

Round Sponge Brush Stamp with Mushroom Head – Printing Tool for Kindergarten Art and Kids' Crafts

Round Sponge Brush Stamp with Mushroom Head – Printing Tool for Kindergarten Art and Kids' Crafts

$0.27

Metal Wick Centering Tool with Wooden Base for DIY Scented Candle Making

Metal Wick Centering Tool with Wooden Base for DIY Scented Candle Making

$1.28

Custom Temporary Bank Account Opening Sign, Company Signboard, Stainless Steel Door Plate, PVC Simple Plaque, Acrylic Advertising Board

Custom Temporary Bank Account Opening Sign, Company Signboard, Stainless Steel Door Plate, PVC Simple Plaque, Acrylic Advertising Board

$15.20

Natural Raw Crystal Diffuser Stones 500g - Same Style as Certain Summer Brand, Flameless Indoor Decor (White, Green, Purple, Yellow, Black, Blue)

Natural Raw Crystal Diffuser Stones 500g - Same Style as Certain Summer Brand, Flameless Indoor Decor (White, Green, Purple, Yellow, Black, Blue)

$10.20

Iron Chain, Flower Pot Hanging Chain with Iron Rings, Black Suspension Chain for Bird Cages and Garden Planters

Iron Chain, Flower Pot Hanging Chain with Iron Rings, Black Suspension Chain for Bird Cages and Garden Planters

$0.10