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
Precision-engineered pressure spring sensing elements provide exceptional vibration resistance, ensuring long-lasting and reliable performance.
Boasting a large measuring range, this sensor is versatile and adaptable to a wide variety of applications, delivering accurate readings every time.
Constructed with high mechanical strength, this sensor offers superior pressure resistance, making it an ideal choice for demanding environments.
Primary Technical Specifications:
Adherence to Product Standards
Standard: GB/T16839-1997
Standard: JB/T5582-91
Insulation Resistance at Normal Temperature
Operational Temperature: 20
±15
ºC
, with a relative humidity not exceeding 80%, and a test voltage of
500±50V
(DC). The insulation resistance between the electrode and outer sheath is
≥1000MΩ·m
.
Measurement Range & Accuracy:
| 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 Parameters
Key Technical Specifications:
Production Standards Compliance
IEC584
IEC1515
GB/T16839-1997
JB/T5582-91
Insulation Resistance at Standard Temperature
Ambient Temperature: 20±15
ºC
, with relative humidity
not exceeding 80%, and a test voltage of 500±50V (DC)
The insulation resistance between the electrode and outer sheath is
≥1000MΩ·m, meaning the insulation resistance of a 1-meter
sample is 1000MΩ, and for a 10-meter sample, it is 100MΩ.
Diameter and Material of Couple Wires:
| 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
Technical Specifications:
Standards for Product Execution
IEC584
IEC1515
GB/T16839-1997
JB/T5518-91
GB3836
Insulation Resistance Under Normal Temperature
Ambient
Temperature: 20±15
ºC
,
with relative humidity not
exceeding 80%,
and a test voltage of 500±50V (DC). The insulation resistance between the electrode and outer sheath is ≥1000MΩ·m.
Temperature Range and Measurement 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.Located in the renowned Zibo Science and Technology Industrial Park, Shandong Zhongziyi Intelligent Technology Co., Ltd. spans an impressive area of over 18,000 square meters. Our top-tier, modern manufacturing factory is dedicated to providing high-quality solutions.We are passionately committed tothe Research and Development,manufacture,sales, and service of state-of-the-art pressure and temperature instruments.
As a distinguished standing director unit of the National Pressure Gauge Industry Association, we pride ourselves on our ISO9001 quality management system certification. We are also recognized as a high-tech enterprise in Shandong Province.
We are a close and trusted partner of Rosemount in China, with our technology consistently aligning with Rosemount's advanced standards.
With nearly 60 years of deep engagement in instrument R&D and production, our factory boasts extensive technological expertise and exceptional customer service experience. Our products are widely utilized across industries such as Petroleum, Chemical, Papermaking,Metallurgy,Medicine,Food,Power, and Machinery. Our sales network extends across the entire country and abroad, earning us the trust and acclaim of a wide customer base.
The core principle of our company is 'quality first, customer first'.
We warmly welcome customers to visit our factory and engage in fruitful business discussions.
Company and Factory Photos:
We will deliver your ordered product at the earliest date as requested, ensuring timely and efficient shipment to meet your needs.
Team Building
We believe that the best team always wins! Our dedicated team collaborates tirelessly to achieve excellence.
We are actively seeking international cooperation through participation in overseas 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 the close partner of Rosemount in
China.
Our technology closely
follows Rosemount standards. Particularly, our remote pressure transmitter technology and stability are unmatched 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 spans 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 at your convenience.
5. What is the warranty for your products?
O
ur product warranty lasts 12 months from the shipping date, but we also provide
lifetime
maintenance.
6. What are your payment terms?
Currently,
we accept a 50% down payment with the remaining 50% payable 5 days before delivery via T/T, Western Union,
PayPal,
and trade assurance online payment.
7. What certifications do you have?
W
e hold ISO9001, CCC, CNAS laboratory accreditation, Flame-proof certification, intrinsic safety certification, SIL certificate, ECM certificate, Russia EAC and PAC certificates,
a
nd
several
invention patents.
8. What is your delivery time?
D
uring peak season, our delivery time is 4 weeks, and 2 weeks in the off-season. Regardless of the season, we strive to meet your requirements.
9. How is your after-sales service?
Our products enjoy a stellar reputation for quality, with almost no warranty issues. Nevertheless, we offer 24/7 online support for any installation, commissioning, operational, or other concerns.
services for our customers for any installation, commissioning, operational, or other issues.
10. How can I send a quotation?
Y
ou can send your quotation via our email or cellphone details provided below:
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