Prefabricated Thermocouple
Product Brief Introduction:
Industrial prefabricated thermocouples serve as measurement sensors fortemperature and are typically used alongside display and recordinginstruments and electrical regulators. They can directly measure the temperature of liquids, steam, gas mediums, and solid surfaces within the range of 0°C to2300°C across various processes.
Features:
Simple assembly,easy replacement,
Pressure-spring type temperature sensor with excellent anti-vibration performance,
Large measurement range
High mechanical strength and superb pressure resistance
Armored Thermocouple
Product Brief Introduction:
Armored thermocouples possess the advantages
o
f flexibility,
high-pressure resistance, quick thermal
r
esponse times, and robust durability.
Similar to prefabricated
t
hermocouples, they function as temperature measurement sensors
a
nd are often used with display instruments, recording
i
nstruments, and electronic
regulators. Additionally, they
c
an be utilized as temperature sensing elements in
assembled
t
hermocouple setups. They can measure temperatures of liquids,
s
team,
gas mediums, and solid surfaces ranging from 0°C to 1300°C
i
n diverse production
processes.
Features:
Short thermal response times, minimizing dynamic tolerance
Flexible installation and usage
Large measurement range
High mechanical strength and impressive pressure resistance
Explosion-Proof Thermocouples
Product Brief Introduction:
Typically used with display instruments,
recording instruments,
electric computers, and similar devices. They measure the temperature
of liquids, steam, gas mediums, and solid surfaces within the range
of 0°C to 1300°C in production environments that contain
hydrocarbons
a
nd other explosive substances.
Features:
Multiple explosion-proof designs with excellent explosion-proof performance
Featuring pressure spring sensing elements, this device offers exceptional vibration resistance, ensuring reliable performance even in the most demanding conditions.
Boasting an expansive measuring range, this sensor is versatile and adaptable to various applications, providing precise readings.
Engineered with high mechanical strength and excellent pressure resistance, this sensor is built to endure and excel in rigorous environments.
Main Technical Parameter:
Product Execution Standard
GB/T16839-1997
JB/T5582-91
Normal Temperature Insulation Resistance
Working temperature at 20
±15
ºC
, with a relative humidity no greater than 80%, and a test voltage of
500±50V
(DC). The insulation resistance between the electrode and outer sheath is
≥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 TechnicalParameters:
Production Execution Standard
IEC584
IEC1515
GB/T16839-1997
JB/T5582-91
Normal Temperature Insulation Resistance
The ambient temperature is 20±15
ºC
, with a relative humidity
no greater than 80% and test voltage of 500±50V (DC).
The insulation resistance between the electrode and outer
sheath is ≥1000MΩ.m, meaning the insulation resistance for a 1m
sample is 1000MΩ, and for a 10m sample 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 of 20±15
ºC
,
with a relative humidity no
greater than 80%,
and a test voltage of 500±50V (DC). The insulation resistance between the electrode and outer sheath is ≥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.Situated in the renowned Zibo Science and Technology Industrial Park, our company spans an impressive area of over 18,000 square meters. We boast a state-of-the-art manufacturing facility designed to the highest standards.Our commitment lies inthe research and development,manufacturing,sales, and dedicated service of cutting-edge pressure and temperature instruments.
As a standing director unit of the National Pressure Gauge Industry Association, we are proud holders of the ISO9001 quality management system certification and are recognized as a high-tech enterprise in Shandong Province.
We are a close and strategic partner of Rosemount in China, continuously advancing our technology in alignment with Rosemount's standards.
With nearly 60 years of deep engagement in instrument R&D and production, we have amassed significant technological expertise and customer service experience. Our products are extensively employed in industries such as Petroleum, Chemical, Papermaking,Metallurgy,Medicine,Food,Power, and Machinery, among others. Our sales network spans both domestically across China and internationally, earning the trust and commendation of a broad user base.
Our company's core mission is encapsulated in our motto: 'Quality First, Customer First.'
We warmly invite customers to visit our factory to discuss potential cooperation and business opportunities.
Company and Factory Photos:
We ensure the prompt delivery of your order, meeting your specified timeline and expectations.
Team Building
We believe that a cohesive and dedicated team always prevails!
We are actively seeking global cooperation through international exhibitions.
FAQ
1, What kind of product do you supply?
O
ur product
portfolio 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 premier partner of Rosemount in
China.
Our technology closely
follows that of Rosemount. Notably, our remote pressure transmitter technology and stability are considered to be the best in China.
3, Where is your factory located?
O
ur factory is located in Zibo, Shandong province, China, which is one of the top
three
instrument production areas.
It
covers 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 product warranty is 12 months from the shipping date, and we also provide
lifetime
maintenance.
6, What are your payment terms?
Currently
, we accept 50% down payment and 50% balance payable 5 days before delivery via T/T, Western Union,
PayPal
, and trade assurance online payment.
7, What kind of certification do you have?
W
e hold ISO9001, CCC, CNAS laboratory accreditation, Flame-proof certification, intrinsic safety certification, SIL certificate, ECM certificate, and Russia EAC and PAC certificates,
as well as
several
invention
patents.
8, How long is your delivery date?
D
uring peak season, delivery is 4 weeks, and in the offseason, it is 2 weeks. Regardless of the season, we strive to meet your requirements.
9, How is your after-sales service?
Our products enjoy an excellent reputation for quality and almost no warranty issues. Nevertheless, we offer 24/7 online
assistance for any installation, commissioning, operational, or other issues.
10, How can I send a quotation?
Y
ou can send quotations through our email or cellphone as provided below:
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