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:
Featuring multiple explosion-proof types, this product offers exceptional explosion-proof performance, ensuring utmost safety and reliability.
Equipped with pressure spring sensing elements, it boasts outstanding vibration resistance, making it perfect for demanding environments.
With an expansive measuring range, this sensor can handle a wide array of temperature monitoring needs effortlessly.
Engineered with high mechanical strength, it demonstrates excellent pressure resistance, guaranteeing long-lasting durability.









Main Technical Parameter:
Product Execution Standard
GB/T16839-1997
JB/T5582-91
Normal temperature insulation resistance
Working temperature20
±15
ºC
, relative humidity no greater than 80%, test voltage
500±50V
(DC) the insulation resistance between electrode and outer sheath
≥000MΩ.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:
Production 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%, the test voltage is 500±50V(DC)
The insulation resistance between electrode and outer
sheath≥1000MΩ.m. That is the insulation resistance of 1m
sample is1000MΩ ,10m is 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
temperature20±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 prestigious Zibo Science and Technology Industrial Park, our state-of-the-art facility sprawls over more than 18,000 square meters. Our modern manufacturing factory is equipped to meet the highest standards.Dedicated tothe research and development,manufacturing,sales, and servicing of premium pressure and temperature instruments.
As a standing director unit of the National Pressure Gauge Industry Association, we pride ourselves on our ISO9001 quality management system certification. Recognized as a high-tech enterprise in Shandong Province, we are at the forefront of innovation.
We are a close and trusted partner of Rosemount in China, ensuring our technology is always in step with the best in the industry.
With nearly 60 years of deep engagement in instrument R&D and production, our factory boasts substantial technological expertise and customer service experience. Our products are extensively used across industries such as Petroleum, Chemical, Papermaking,Metallurgy,Medicine,Food,Power, and Machinery. Our sales network spans both nationally and internationally, earning us the trust and praise of a broad customer base.
The company's core principle is 'Quality First, Customer First'.
We warmly welcome customers to visit our factory and discuss potential business collaborations.
Company and Factory Photos:
We will meticulously deliver your order at the earliest date as required, ensuring timely and secure arrival of your product.
Team Building
We believe that the best team is the cornerstone of our success. Trust in teamwork to achieve extraordinary results!
We are actively seeking international cooperation through global exhibitions.
FAQ
1. What kind of products do you supply?
O
ur product
range includes
pressure transmitters, temperature transmitters, level transmitters, pressure gauges, temperature gauges, and flow
meters.
2. What are your product and technology advantages?
Our factory, established in 1966, boasts nearly 60 years of manufacturing and R&D experience. We are also a close partner of Rosemount in
China.
Our technology closely
aligns with Rosemount's. Notably, our remote pressure transmitter technology and stability are considered top-notch in China.
3. Where is your factory located?
O
ur factory is located in Zibo, Shandong province, China, one of the top
three
instrument production areas.
A
nd occupies an area of more than 18,000 square meters.
4. Can we visit your factory?
Y
ou are always welcome to visit our factory at any time that suits you.
5. What is the warranty of your product?
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 balance payable 5 days before delivery by T/T, Western Union,
PayPal,
and trade assurance online payment.
7. What certifications do you have?
W
e have ISO9001, CCC, CNAS laboratory accreditation, Flame-proof certification, intrinsic safety certification, SIL certificate, ECM certificate, and Russia EAC and PAC certificates, along with
a
number of
key
invention patents.
8. How long is your delivery time?
I
n peak season, it is 4 weeks, and 2 weeks in the off-season. However, regardless of the season, we will strive to meet your requirements.
9. How is your after-sales service?
Our products enjoy an excellent reputation for quality and rarely require warranty service due to defects. Nevertheless, we offer 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 request via our email or cellphone as provided below: