Threaded, Waterproof Thermocouples and RTDs with Adjustable Compression Fittings
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  • Threaded, Waterproof Thermocouples and RTDs with  Adjustable Compression Fittings
  • Threaded, Waterproof Thermocouples and RTDs with  Adjustable Compression Fittings
  • Technical Specifications
Technical Parameters
1) Type, Measuring Range & Tolerance
Model Type Sheath Material Sheath Dia.d/mm Measuring
Range(℃)
Thermocouple Class &
Tolerance
Class I Class II
WRNK NiCr-NiSi K 06Cr18Ni11Ti φ3,φ4,φ5,Φ6,Φ8 0~800 ±1.5 or±0.4%
|t|
±2.5 or±0.75%
|t|
GH3030 φ3,Φ4,Φ5 0~900
φ6,Φ8 0~1100
WREK NiCr-CuNi E 06Cr18Ni11Ti φ3,Φ4,Φ5,Φ6,Φ8 0~700
φ3 0~400
WRFK Fe-CuNi J φ4,Φ5,Φ6,Φ8 0~600
φ3,φ4,φ5,Φ6,Φ8 -200~300
WRCK Cu-CuNi T ±0.5 or±0.4%
|t|
±1 or±0.75%|t|

Model Type Sheath Material Sheath Dia.d/mm Measuring
Range(℃)
Accuracy Permissible Current
Class A Class B
WZPK Pt RTD Pt100 06Cr18Ni11Ti φ3 -200~250 Class A or B ≤2mA ≤5mA
-200~420
φ4,Φ5
Φ6,Φ8
-200~420
0~500
3YC52 Alloy 0~650

2) Fixing Device Size &Insertion Depth
Sheath Dia.d/mm Adjustable compression fitting thread Insertion Length (mm) Thermocou
ple
junction
box
Electrical
connection
Thread
Spec.
Thread Length across flats Material Thermocouple RTD
φ8 M16×1.5 15  22  Stainless Steel 100~2500 100~2500 Small
aluminum
alloy
waterproof
unction box
M20×1.5
φ6 75~4000 75~2000
φ5 50~4000 75~1500
φ4 50~10000 50~1000
φ3 M12×1.5 19  50~15000 50~750
About Us
Yueqing Huadong Instrument And Meter Factory
Huadong Instrument and Meter Factory was established in 1986 and is located at the south foot of Yandang Mountain, a famous national tourist scenic spot, beside National Highway 104, 60 kilometers away from Wenzhou Airport, 3 minutes from the railway station, with convenient transportation and communication.
After nearly 40 years of accumulation and development, with the joint efforts of all employees, our factory has become the only supplier for the development, production, and sales of industrial automation equipment in the national instrument industry, with an annual production capacity of 150 sets of tooling equipment in various industries, and the production of "HY" series gun drilling (deep drilling) machine, polishing machine, core exposing machine, cutting straightening machine, locking machine, and multi-function argon arc welding machine, filling several industry gaps and greatly improving the level of industry automation.
Our factory mainly produces various series and specifications of temperature sensors, armored thermocouple cables, hot runner mold electric heaters, armored heating cables, thermocouple compensation wires (copper coating), special equipment for the temperature instrument industry, and also provides a variety of temperature measuring elements, installation casings, and accessories.
Our factory has a strong team of technical experts and well-trained employees, with sophisticated production equipment, advanced technology, and complete testing equipment. All products are produced according to international standards, with stable and reliable performance. Our products are sold to large and medium-sized enterprises in more than 20 provinces and cities across the country, and are exported to Europe, the Middle East, and Southeast Asian countries, with a good corporate image and reputation.
During the past decades, we have based on "pioneering and innovative, pragmatic and passionate work", adhered to the "integrity and win-win" business philosophy, to challenge themselves and innovate, take the road of specialization, independent intellectual property rights, access to nearly 30 China invention patents, utility model patent certificate of nearly, and enjoy the CE, ISO19001: 2015 international quality management system certification.
Huadong upholds "The customer is supreme, quality first" and provides better products to the world and the industry, to improve our quality, to improve our services, and to develop with our customers and industry. Our target is to create a united, cooperative, mutually beneficial enterprise and establish a bright future!
Certificate of Honor
  • Global Manufacturer Certificate
  • CE
  • ISO 9001
  • CE
  • EU
  • Invention Patent
  • Utility Model Patent
  • Utility Model Patent
  • Utility Model Patent
  • Utility Model Patent
  • Utility Model Patent
  • Utility Model Patent
  • Utility Model Patent
  • Utility Model Patent
  • Utility Model Patent
  • Utility Model Patent
  • Utility Model Patent
  • Utility Model Patent
  • Utility Model Patent
  • Utility Model Patent
  • Utility Model Patent
  • Utility Model Patent
  • Utility Model Patent
  • Utility Model Patent
  • Explosion-proof Certification
  • Explosion-proof Certification
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