Gold Member Since 2015
Audited Supplier

Temperature Meter, Humidity Meter, Temperature and Humidity Data Logger manufacturer / supplier in China, offering Dwl-20, Sound and Light Alarm Temperature and Humidity Data Logger, High Quality Environment Tester Handheld Carbon Dioxide Meter, Coating Thickness Tester, Paint Thickness Gauge Meter, Coating Thickness Gauge Meter and so on.

(/ )

Supplier Homepage Product Humidity and Temperature Data Loggers DWL Series Sound&Light Alarm Data Logger Dwl-20, Sound and Light Alarm Temperature and Humidity Data Logger

Dwl-20, Sound and Light Alarm Temperature and Humidity Data Logger

FOB Price: Get Latest Price
Min. Order: 5 Pieces
Port: Shenzhen, China
Production Capacity: 50000PCS/Year
Payment Terms: L/C, T/T, Western Union, Paypal

Request a custom order and have something just for you!

Send Customized Request
Basic Info
  • Model NO.: DWL-20
  • Temperature Measurment Range: -35 to 80oc(-31 to 176of)
  • Display Type: LCD
  • Analysis Software: Dgraph
  • Usage: Industrial
  • Material: Resistance
  • Trademark: yuwen
  • Origin: Shenzhen China
  • Measuring Medium: Temperature
  • Humidity Measurement Range: 0~100%Rh
  • Interface: USB
  • Standard: Celsius/Fahrenheit
  • Display: Digital
  • Hygrometer Type: Capacitance
  • Specification: CE, Rohs, FCC, EMC
Product Description

DWL-21E LCD Digital Temperature Humidity Data Recorder Logger Thermometer Hygrometer USB

Product Overview

This data logger can measure and store humidity/temperature readings automatically. It has a large LCD that can display realtime readings and logging information.This unit can start a sound and light alarm if exceeds the user set limits. More professional applications can be provided by the unique PC software DGraph under Windows xp/7/8 (32/64 bits). User can easily use the software to setup and download data to PC via USB. And user can view, analyse and print the data, or export other fi le formats(txt, xls, csv, bmp, jpg). 

Function & Benefits
  • Portable, precise, compact and low cost
  • USB interface directly communicate with PC for setup and data download
  • Unique and uniform PC control software: DGraph
  • User can set access password fo each data logger
  • Start logging method: Immediately, Button, Start at
  • Replaceable lithium battery and data is not lost if exhausted


Measurement Range 0 to 100%RH0 to 100%RH0 to 100%RH0 to 100%RH
TemperatureMeasurement Range -35 to 80°C
(-31 to 176°F)
-35 to 80°C
(-31 to 176°F)
-40 to 125°C
(-40 to 257°F)
-40 to 125°C
(-40 to 257°F)
Accuracy(Typ.)±0.5°C  (±0.5°F)±03°C  (±0.5°F)±0.5°C  (±0.5°F)±0.3°C  (±0.5°F)
Resolution(Typ.)0.1°C  (0.2°F)0.1°C  (0.2°F)0.1°C  (0.2°F)0.1°C  (0.2°F)
Sensor LocationInternalInternalExternalExternal
Memory Capacity32,00032,00032,00032,000
Sample Rate2s to 24h2s to 24h2s to 24h2s to 24h
PC SoftwareDGraph software and USB driver required (Included in CD) 
Power SupplyRechargeable Lithium Battery, or USB interface to Power
Case Material and WeightABS; Approx. 130 grams(4.59 oz)

Product Picture:
Dwl-20, Sound and Light Alarm Temperature and Humidity Data LoggerDwl-20, Sound and Light Alarm Temperature and Humidity Data Logger
Dwl-20, Sound and Light Alarm Temperature and Humidity Data Logger
Our Services

After-sales Service

1.All goods will be inspected and tested before shipment.

2.Customer's satisfaction is the most important thing to us. If you have any problems or questions, pls 

contact us by Trademanager or email. We will respond you within 24 hours. 


What Can I Do For You

1.Quality & Service At YUWEN, our 1st priority has always been providing our clients with great quality 

products and superior customer service. 

2. Quick LeadTime We're dedicated to providing the quickest turnaround times and work very hard to ensure

 that all of your deadlines are met.

3. Unbeatable Prices We continuously strive to find ways of reducing our production costs, and passing the 

savings over to you! 

4. Brand Awareness The goal of any strong brand is to achieve a level of awareness that instills the idea of 

quality and value into all of your potential customers. 

5. Special Offers In order to maintain our competitive edge, we are constantly running special offers on our 

products including Thermometer and Pedometer etc. Contact our sales team to see how we can help you save

 a lot of money. 


Why Choose Us

1.Low MOQ: It can meet your business very well.

2.OEM Accepted: We can produce based on your design.

3.Good Service: We treat clients as friend.

4.Good Quality: We have strict quality control system .Good reputation in the market.

5.Fast & Cheap Delivery: We have a discount from forwarder (Long Contract).

We Are Together

YOWEXA is willing to work and develop together with worldwide agents and distributors.

Always,on the road; Work together, change the world.


Welcome your enquiry!  Contact us:

Stephan:    Tel: +86 755-85270752    13128942538
Send your message to this supplier
Mr. Matt
Sales Manager
To: Mr. Matt

Enter between 20 to 4,000 characters.

This is not what you are looking for? Post a Sourcing Request Now