Prefabricated Thermocouple
Product Brief Introduction:
Industrial prefabricated thermocouple as the sensor of measuring temperature usually used with display, recording instruments and electric regulator and can direct measure the temperature of liquid, steam and gas medium and solid surface in the range of 0°c~2300°c of various processes.
Features:
Simple assembly,easy replacement ,
Pressure spring type temperature sensor with good anti-vibration performance,
Large measuring range
High mechanical strength, good pressure resistance
Armored Thermocouple
Product Brief Introduction:
Armored thermocouples have the advantages
o
f bending,
high-pressure resistance, fast thermal
r
esponse time sturdy and durable.
Just like fabricated
t
hermocouples as the sensor of measuring temperature
a
nd usually use with display instruments, record
i
nstruments and electronic
regulators, meanwhile, it
c
an used as temperature sensing element of the
assembled
t
hermocouple. It can measure the temperature of liquid
s
team,
gas medium and solid surface range to 0°c~1300°c
i
n various production
processes.
Features:
Short thermal response time, reduce dynamic tolerance
flexible installation and use
Large measuring range
High mechanical strength, good pressure resistance
Explosion proof Thermocouples
Product Brief Introduction:
Usually used with display instrument,
record instrument,
Electric computer and so on. Direct measure the temperature
Of liquid, steam, gas medium and solid surface in the range
Of 0°c~1300°c in the production site where exist
hydrocarbons
a
nd other explosives.
Features:
Multiple explosion-proof type, good explosion-proof performance
Featuring pressure spring sensing elements, this sensor guarantees exceptional vibration resistance, ensuring dependable performance in various challenging environments.
Offering an impressively large measuring range, this sensor is versatile enough to meet diverse detection needs, making it a robust choice for numerous applications.
Built with high mechanical strength, this sensor boasts excellent pressure resistance, ensuring long-lasting durability and reliable operation under high-pressure conditions.









Main Technical Parameters:
Product Execution Standard
GB/T16839-1997
JB/T5582-91
Normal Temperature Insulation Resistance
Working Temperature: 20
±15
ºC
, Relative Humidity: No Greater Than 80%, Test Voltage:
500±50V
(DC). The Insulation Resistance Between Electrode and Outer Sheath:
≥1000MΩ.m
.
Measuring Range & Tolerance:
Material |
Model |
Indexing |
Tolerance |
Recommend rangeºC |
Nichrome- Nisiloy |
WEN |
K |
±2.5ºCor±0.75%|t| |
-200~1200 |
Nichrome silicon-nisiloy |
WRM |
N |
-200~1300 |
Nickel chromium-Albata |
WRE |
E |
-40~800 |
Iron-Albata |
WRF |
J |
-200~750 |
Copper-Albata |
WRC |
T |
±1ºCor±0.75%t |
-200~350 |
Platinium-rhodium10-Platinium |
WRP |
S |
±1.5ºCor±0.25%|t |
0~1300 |
Pt-Rh13-Rh |
WRQ |
R |
0~1300 |
Pt-Rh30-Pt-Rh6 |
WRP |
B |
600~1700 |
Armored Thermocouple
Main Technical Parameters:
Product Execution Standard
IEC584
IEC1515
GB/T16839-1997
JB/T5582-91
Normal Temperature Insulation Resistance
The Ambient Temperature is: 20±15
ºC
, the Relative Humidity:
No Greater Than 80%, Test Voltage: 500±50V (DC)
The Insulation Resistance Between Electrode and Outer Sheath:
≥1000MΩ.m (Example: 1m Sample: 1000MΩ, 10m Sample: 100MΩ).
.
Couple Wire Diameter and Material:
Wirs type |
Single |
Double |
Sheath Diameter |
φ2 φ3φ4 φ50608 |
0304050608 |
Material |
E,J,T |
1Cr18Ni9Ti |
1Cr18Ni9Ti |
K,N |
1Crl8Ni9Ti GH3030 |
1Crl8Ni9Ti GH3030 |
S |
GH3039 |
GH3039 |
Explosion Proof Thermocouples
Main Technical Parameters:
Product Execution Standard
IEC584
IEC1515
GB/T16839-1997
JB/T5518-91
GB3836
Normal Temperature Insulation Resistance
Ambient
Temperature: 20±15
ºC
,
Relative Humidity: No
Greater Than 80%,
Test Voltage: 500±50V (DC). The Insulation Resistance Between Electrode and Outer Sheath: ≥1000MΩ.m.
Temperature Range and Tolerance
Type |
Index |
Tolerance Class |
I |
II |
Tol value |
RangeºC |
Tol value |
RangeºC |
WRN |
K |
±1.5ºC |
-40~+375 |
±2.5ºC |
40~+333 |
±0.004|t |
375~1000 |
±0.0075|t |
333~1200 |
WRM |
N |
±1.5ºC |
-40~+375 |
±2.5ºC |
40~+333 |
±0.004|t |
375~1000 |
±0.0075|t |
333~1200 |
WRE |
E |
±1.5ºC |
-40~+375 |
±2.5ºC |
-40~+333 |
±0.004|t| |
375~800 |
±0.004t |
333~900 |
WRF |
J |
±1.5ºC |
-40~+375 |
±1.5ºC |
40~+333 |
±0.004|t |
375~750 |
±0.004t |
333~750 |
WRC |
T |
±0.5ºC |
-40~+125 |
±1ºC |
-40~+133 |
±0.004|t| |
125~350 |
±0.0075|t |
133~350 |
Shandong Zhongziyi Intelligent Technology Co., Ltd.Nestled in the Zibo Science and Technology Industrial Park, our company spans an impressive 18,000.00 square meters. We boast a high-standard, modern manufacturing facility, dedicated to excellence.Committed tothe R&D,manufacture,sales, and service of advanced pressure and temperature instruments.
As a standing director unit of the National Pressure Gauge Industry Association, we proudly hold the ISO9001 quality management system certification and are recognized as a high-tech enterprise in Shandong Province.
We are a premier close partner of Rosemount in China, constantly aligning our technology advancements with theirs.
With nearly 60 years of dedicated experience in instrument R&D and production, we have amassed substantial technological expertise and customer service acumen. Our products are extensively used in industries such as Petroleum, Chemical, Papermaking,Metallurgy,Medicine,Food,Power, and Machinery. Our sales network covers the entire country and extends abroad, earning deep trust and favorable reviews from a vast array of users.
The company's core philosophy is 'quality first, customer first.'
We warmly welcome customers to visit our factory to explore and discuss potential cooperation.
Company and Factory Photos:
We will deliver your ordered product at the earliest date as required by you, ensuring prompt and timely dispatch to meet your needs.
Team Building
We firmly believe that the best team always wins! Investing in our team's growth and unity ensures top-notch performance and success.
We are actively seeking international cooperation through various global exhibitions.
FAQ
1. What kind of products do you supply?
O
ur product
range encompasses
pressure transmitters, temperature transmitters, level transmitters, pressure gauges, temperature gauges, and flow
meters.
2. What are your product and technological advantages?
Our factory, established in 1966, boasts nearly 60 years of manufacturing and R&D expertise. We are a premier partner of Rosemount in
China.
Our technology closely
follows Rosemount. Notably, our remote pressure transmitter technology and stability are among the best in China.
3. Where is your factory located?
O
ur factory is located in Zibo, Shandong province, China, a region recognized as a top
three
instrument production area.
A
nd covers an area exceeding 18,000 square meters.
4. Can we visit your factory?
Y
ou are always welcome to visit our factory at any time at your convenience.
5. What is the warranty of your products?
O
ur products come with a 12-month warranty from the shipping date, and we offer
lifetime
maintenance.
6. What are your payment terms?
Currently
, we accept a 50% down payment with the remaining 50% payable 5 days before delivery. Payment methods include T/T, Western Union,
PayPal
and trade assurance online payment.
7. What certifications do you have?
W
e possess ISO9001, CCC, CNAS laboratory accreditation, Flame-proof certification, intrinsic safety certification, SIL certificate, ECM certificate, as well as Russia EAC and PAC certificates
a
nd
numerous
invention patents.
8. How long is your delivery time?
D
uring peak season, it is 4 weeks, and 2 weeks during the off-season. Regardless of the season, we strive to meet your delivery requirements.
9. How is your after-sales service?
Our products are renowned for their exceptional quality and almost never require warranty service due to product faults. Nevertheless, we provide 24/7 online
support for any installation, commissioning, operational, or other issues.
10. How can I request a quotation?
Y
ou can send your quotation requests through our email or cellphone as listed below: