Refrigerator Thermometer Digital Freezer Thermometer with Temperature Alarm
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Product Highlights
- Dual Temperature Monitoring: LCD screen displays both indoor and outdoor temperatures simultaneously.
- Customization Available: Offers full customization, minor customization, and customization from designs.
- Smart Alarm Function: Features preset high and low temperature alarms with adjustable alert ranges.
- Max/Min Memory Record: Stores and displays maximum and minimum temperature readings for tracking.
- Versatile Installation: Includes magnet, flip stand, and double-sided sticker for flexible placement.
- C/F Switch Capability: Allows easy switching between Celsius and Fahrenheit display units.
Product Attributes
- Customization
- Available
- After-sales Service
- 1 Year
- Warranty
- 1 Year
- Model NO.
- LDT-17
- Standard
- Celsius/Fahrenheit
- Accuracy
- 1°C
- Usage
- Household, Freezer/Refrigerator
- Display
- Digital
- Material
- Thermocouple
- Hygrometer Type
- Fridge Gauge with Red Pointer
- Food Temperature
- -50-70c/58-158f
- Body Material
- Plastic
- Net Weight
- 83G
- Certificate
- CE RoHS, FCC, LFGB, FDA
- Name
- Digital Refrigerator Freezer Thermometer
- Fridge Temperature
- -50-70℃
- Room Temperature
- -10-50℃
- Power
- 1.5V AAA *1
- Senser
- 3meters
- Transport Package
- White Box
- Specification
- 110*70*20mm
- Trademark
- wenmeice
- Origin
- China
- HS Code
- 9025199090
- Production Capacity
- 100000PCS/Month
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Product Description
Refrigerator Thermometer Digital Freezer Thermometer with Temperature Alarm

Specifications:
| Item No. | LDT-17 |
| Product Name | Refrigerator Thermometer Digital Freezer Thermometer with Temperature Alarm |
| Temperature Range | -50-70C/58-158F |
| Accuracy | +/-1C |
| Senser Length | 3m |
| Material | ABS plastic |
| Product Warranty | 1 year |
| Brand | Neutral or Your brand available |
Cable length: 3 meters long cable
Outside Temperature Range: -50~+70˚C/-58~+158˚F
Inside Temperature Range: -10~+50˚C/+14~+122˚F
Accuracy: ±1˚C
Resolution: 0.1˚C
Power: 1.5V AAA*1
Colors optional: White/Black
Packaging: Blister
Functions:
High/Low temperature alarm
Max/Min readings memory
C/F switch
Magnet on the back, flip stand, double-sided sticker
1.LCD screen shows indoor & outdoor temperature.
2.Preset alert temperature.
3.Stand for shelf or hanging hole at back.
4.Max/Min temperature memory records.
BUTTONS&OPERATIONS
1.MIN/MAX
(1)Press MIN/MAX key to display the maximum indoor temperature.
(2)Press MIN/MAX key again to display the minimum indoor temperature
2.RESET
(1)Reset max and min to current temperature.
(2)Reset alert temperature range to -1ºC~4ºC
3.ALERT SET
(1)Turn on/off ALERT
(2)Holding 1 second for setting alert temperature range
4.ºC/ºF & ADJ
(1)Adding one deg C press once or auto advanced (-50~70) when hold the key under ALERT SET mode.
(2) Select ºCorºF Display.


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About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASR259743". Items marked "" are certified.
Company Profile
Xian Lonn M&E Equipment Co., Ltd. is a wholly owned subsidiary of SHENZHEN LONNMETER GROUP and a high-tech enterprise specializing in the development, manufacturing, and global supply of intelligent measurement instruments.
We focus on helping industrial customers improve process efficiency, product quality, and operational reliability through accurate and intelligent measurement solutions.
Our product portfolio covers two major categories:
Process Measurement Instruments
Temperature Measurement Solutions
Core products include online density meters, portable density meters, concentration meters, viscosity meters, industrial temperature instruments, food thermometers, and wireless BBQ thermometers. These products are widely used in chemical processing, petroleum and energy, pharmaceuticals, biotechnology, food and beverage production, environmental monitoring, and industrial manufacturing.
Driven by continuous innovation, LONNMETER has obtained more than 10 national patents and multiple proprietary technologies. Our products comply with international market requirements and have achieved more than 19 global certifications, including CE, FCC, FDA, and explosion-proof certifications, ensuring reliable performance, safety, and compliance for customers worldwide.
Today, LONNMETER products are exported to more than 70 countries and regions, supported by over 30 authorized distributors and partners worldwide. Our major markets include Germany, the United Kingdom, Italy, Canada, the United States, Australia, the United Arab Emirates, South Korea, Malaysia, Vietnam, Thailand, and South Africa.
Over the years, we have served more than 100, 000 users globally and accumulated extensive application experience across a wide range of industries. Our solutions have been trusted by leading organizations including PetroChina, Sinopec, Yanchang Petroleum, Shenhua Group, Xifeng Liquor Group, and numerous manufacturers, distributors, and engineering companies around the world.
What sets LONNMETER apart is our commitment to providing complete measurement solutions rather than simply supplying instruments. Our engineering team works closely with customers to understand process requirements, recommend suitable products, and support successful implementation in real-world applications.
Every product is manufactured under strict quality control procedures, from component selection and assembly to calibration, testing, and final inspection. This commitment ensures consistent product quality and long-term reliability in demanding industrial environments.
As industries continue moving toward automation, digitalization, and intelligent manufacturing, LONNMETER remains dedicated to delivering innovative measurement technologies that help customers achieve higher efficiency, better process control, and sustainable growth.
Our Mission
Helping Customers Succeed Through More Accurate and Intelligent Measurement.
Our Vision
To Become a Global Leader in the Next Generation of Smart Measurement Technologies.
At LONNMETER, measurement is more than a product-it is our commitment to precision, innovation, and customer success.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- 12th South of Chang'an Road, Yanta Dist., Xi'an, China 710061
-
Plant Area
- 1333 square meters
-
Number of Employees
- 41
-
Registered Capital
- 4,000,000 RMB
-
Terms of Payment
- T/T, LC, Western Union, PayPal, D/P, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: one month -
Nearest Port
- Shenzhen
-
Minimum Order Quantity
- 500 PCS
-
Supply Chain Partners
- 40
Our Production Capability & Technical Expertise
-
Main Products
- Food Thermometer, Digital Thermometer, Cold Chain Data Logger
-
Production Lines
- 3
-
Production Machines
- SMT, Assembling Line
-
QA/QC inspectors
- 2 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 2 people
-
Traceability of Raw Materials
- Yes
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2013-12-06
-
Export Year
- 12 Years
-
Main Markets
- North America, Europe
-
Repeat Buyers Choice
- 50%~80%
-
Number of Foreign Trading Staff
- 10
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Product Certification
- CE, RoHS
-
Cooperated with Fortune 500
- No
FAQ
- Is the product customizable?
- Yes, we offer full customization, minor customization, and customization from samples or designs.
- What is the warranty period?
- We provide a 1-year product warranty covering mechanical defects.
- Can I switch between Celsius and Fahrenheit?
- Yes, the device features a C/F switch to display temperature in either unit.
- What is the minimum order quantity?
- The minimum order quantity is 500 pieces.
- Does it have a temperature alarm?
- Yes, it includes high and low temperature alarms with preset alert ranges.
- What are the available colors?
- The thermometer is available in white and black colors.
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