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 robust pressure spring sensing elements, our sensor excels in environments with strong vibrations, ensuring consistent performance.
With an expansive measuring range, our sensor is designed to meet diverse and demanding measurement requirements effortlessly.
Boasting high mechanical strength and exceptional pressure resistance, this sensor is built to withstand the most challenging 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:
Production Execution Standard
IEC584
IEC1515
GB/T16839-1997
JB/T5582-91
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. Insulation Resistance of a 1m
Sample is 1000MΩ, for 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
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.Ltd is located in the Zibo Science and Technology Industrial Park, spanning over an impressive 18,000.00 square meters. Our state-of-the-art manufacturing factory meets the highest standards, and we are devoted tocommitting ourselves toinnovative R&D,precise manufacturing,sales, and exceptional service of pressure and temperature instruments.
We proudly serve as the standing director unit of the National Pressure Gauge Industry Association. Our company has earned the prestigious ISO9001 quality management system certification and is recognized as a high-tech enterprise in Shandong Province.
We are a close partner of Rosemount in China, continually advancing our technological capabilities in step with Rosemount's innovations.
With nearly 60 years of deep engagement in instrument R&D and production, our factory boasts extensive technological expertise and rich customer service experience. Our products are extensively utilized in the Petroleum, Chemical industry, Papermaking,Metallurgy,Medicine,Food,Power, and Machinery sectors. Our market presence spans nationwide and internationally, earning us the trust and favorable commendation of our valued users.
The company's core principles are "quality first, customer first."
We warmly welcome customers to visit our factory and engage in cooperative business discussions.
Company and Factory Photos:
We will deliver your ordered product at the earliest date as required by you, ensuring speed and efficiency in our shipping process.
Team Building
We firmly believe that the best team wins! Our focus is on nurturing a collaborative and high-performing team to ensure success.
we are actively seeking abroad cooperation through abroad exhibition.
FAQ
1, What kind of product do you supply?
O
ur product
includes
pressure transmitter, temperature transmitter, level transmitter, pressure gauge, temperature gauge and flow
meter.
2,What is your product and technology advantages?
Our factory was built on 1966 with almost 60 years manufacturing and R&D experience. We are also the supper close partner of Rosemount in
China.
our technology closely
keeps following Rosemount. Especially, our remote pressure transmitter technology and stability could be No. one in China.
3, Where is your factory location?
O
ur factory located in Zibo, Shandong province, China, which is top
three
instrument production area.
A
nd take an area of more than 18000 square meters.
4, Can we visit your factory?
Y
ou are always welcome to our factory at any time at your convenience.
5, What is the warranty of your product?
O
ur product warranty is 12 months from the shipping date, but we provide
lifetime
maintenance.
6, What are your payment terms?
Now
, we can accept 50% down payment and 50% balance payable 5 days before delivery by T/T, west union,
PayPal
and trade assurance online payment.
7, What kind of certification do you have?
W
e have ISO9001, CCC, CNAS laboratory accreditation certification, Flame-proof certification and intrinsic safety certification, SIL certificate. ECM certificate, Russia EAC and PAC certificate
a
nd
several
invention patents.
8, How long is your delivery date?
F
or peak season is 4 weeks and 2 weeks for offseason, but no matter peak or off season we will try our best to meet your requirements.
9, How is your after sales servives?
Our products quality enjoy very goood quality reputation and has almost no warranty caused by product itself, but we still provide 24/7 online
services for our customer for any installation, commision, running or other problems.
10, How can I send quotation?
Y
ou can send quotation through our email or cellphone as below: