RTD usually use a platinum thin film resistance element to sense the temperature. It is more accurate and more linear than thermocouples and generally slower responding. It is usually measure the temperature range of -200~600°C, connected with display instrument, recording meter and computer, etc. to directly measure temperature of liquid, gas, solid surface.
The thermo element of RTD is made by metal wire. If there is temperature gradient in the measured medium, the measured temperature is an average temperature of element in the range of the medium zone.
RTD element is mainly made of Pt or Cu. Filaments are evenly double-wrapped in insulating ceramic skeleton. It is called ceramic element. It has the advantage of fine high-temperature stability. But because of high manual manufacture cost, it always gets weak resistance value.
RTD specifications
Calibration |
Nominal resistance (0°C) Ω |
Temperature measuring range °C |
Tolerance |
R100/ Row |
Pt10 |
10 |
ceramic elements:-200 ~ 600 mica elements: -200 ~ 420 |
ClassA: ±(0.15+0.2%|t|) ClassB: ±(0.3+0.2%|t|) |
1.3851 |
Pt100 |
100 |
|||
Cu50 |
50 |
-50 ~ 100 |
±(0.3+0.6%|t|) |
1.4280 |
Cu100 |
100 |
Product view:
Chongqing Haichen Instrument Co., Ltd. was established in June 2000.
After years of independent research and development, Haichen now possesses strong production capacity, larger production scale, advanced testing equipment, professional technical team.
Haichen mainly specializes in manufacturing temperature sensors (thermocouple, thermal resistance, bimetallic thermometer, etc.), (signal)isolators, safety barriers, vibration meter and other instruments and meters; also undertakes selection and design, installation and commissioning work for automatic complete sets of instruments and meters.
Haichen’s products are safe and reliable, and widely used in various fields, like iron and steel, fossil oil, chemical industry, light industry, building materials, environmental protection, food, power station, aerospace industry and vessel.
With the goal of "quality is the life of the enterprise, users are our God", Haichen strictly checks the quality of products, to provide customers with high quality products and first-rate services.
Workshop
Warehouse
We will arrange the goods packaging, choose the transport routes in a fast and economical mode; monitor all goods circulation, track and ensure the quality of transportation; provide fast, safe logistics channels.
Package details:
Normal export packing, carton case or ply wooden case, or according to customer's requirement.
1.Individual packing 2.Suitable carton packing 3.Plywood case packing
4.Safety wooden case 5.Ceramic product packing 6.Pallet packing
Delivery details:
Top urgent order: within 3-4 workdays
General air order: within 6-8 workdays
Sea order: within 18-25 workdays
1. Is Haichen company or manufacturer? What is Haichen’s main products?
Haichen is manufacturer. Main products include temperature sensors (thermocouple, thermal resistance, bimetallic thermometer, etc.), signal isolators, safety barriers, vibration meter.
2. What is the quality of Haichen’s products?
Manufacture with advanced technology and reliable quality. We can offer ISO9001, Functional Safety Certificate .
3. What is Haichen’s warranty?
Replace new products for any wrong, damaged or low-quality products. Generally, the warranty will be 12 months.
4. Does Haichen provide samples? Is it free or charge?
Haichen offers samples, but it’s not free. Customer has to pay the cost of freight.
5. What is the terms of payment?
Payment less than or equal to 5000USD, 100% in advance;
Payment more than 5000USD, 50% T/T in advance, balance before delivery.
Tips:
T/T will cost bank charge: USD30
PayPal will cost bank charge: total price*0.04
Western Union no bank charge
Payoneer is also a choice