Cable Resistance Thermometers

We, dpstar Group manufacture and design cable resistance thermometers, often called cable rtd’s or cable Pt100’s. Cable resistance thermometers are very cost effective for temperature measurement below 260°C, although some designs are good up to 500°C. The construction of a cable resistance thermometer consists of a RTD element, often a Pt100 securely attached to a length of cable. The Pt100 element can then be protected in a number of ways and designed to get the best measurement from your process. The maximum temperature for a cable resistance thermometer is determined by its insulation but there are high temperature options such as glass fibre if required.

There are a variety of options when it comes to cable resistance thermometer design. Common designs include:

  1. Cable Resistance Thermometer With Screw Tip
  2. Cable Resistance Thermometer With Metal Pocket
  3. Cable Resistance Thermometer with Ceramic Pocket
  4. Cable Resistance Thermometer With Pipe Clamp
  5. Cable Resistance Thermometer With Polymer Coating
  6. Cable Resistance Thermometer With Eye/Washer
  7. Cable Resistance Thermometer With Exposed Element
  8. Cable Resistance Thermometer With Handle

Contact us with your requirements if you have an existing sensor design or are unsure what you need we’ll be able to find you get the right sensor for your process. Please call Ms. Toh at 012-2951393 or email to sbtoh@dpstar.com.my.

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Mineral Insulated RTD

We, dpstar Group manufacture and design mineral insulated resistance thermometers. Resistance thermometers are often called resistance thermometer detectors (RTD) or simply Pt100 sensors. Mineral insulated resistance thermometers consists of an external metal sheath which protects the P100 element from damage and contamination. This outer sheath is insulated with magnesium oxide powder, tightly packed so no air is trapped inside. This not only gives great thermal conductivity but mineral insulated RTD can be bent into a variety of shapes to suit your application.

There are a wide range of options for our MI resistance thermometers. They can be constructed with various diameters and materials of sheath, many different RTD types (Pt100, Pt1000 etc) and mineral insulated RTD lengths.

There are a variety of options when it comes to MI RTD design. Select the appropriate design below to view full specifications. Common designs included:-

  • MI Resistance Thermometer with Pot Seal & Flexible Tails
  • Mineral Insulated Resistance Thermometer with Standard Plug
  • Mineral Insulated Resistance Thermometer with Miniature Plug
  • Mineral Insulated Resistance Thermometer with Seal
  • Mineral Insulated Resistance Thermometer with Transmitter
  • Mineral Insulated Resistance Thermometer Insert with DIN Plate
  • Mineral Insulated Resistance Thermometer with Head
  • MI Resistance Thermometer with Cable
  • Mineral Insulated Resistance Thermometer Insert with Block

 

Contact us with your requirements if you have an existing sensor design or are unsure what you need we’ll be able to find you get the right sensor for your process. Please call Ms. Toh at 012-2951393 or email to sbtoh@dpstar.com.my.

Thermowell │ Thermowell Supplier Malaysia

What is Thermowell?
Thermowell is small tubular fitting which is used in temperature measurement to protect the temperature sensor from damage that could occur during an industrial process. Thermowell is otherwise commonly known as solid drilled pockets as they consist of a metal bar stock that is drilled to create an open end where the sense is inserted. If the sensor was to break during application, the user could easily replace the existing sensor with a new one.

Common uses of thermowell is very similar to that of other components. Thermowell can be used in both an existing temperature sensor setup or can be added to a new design specification. Thermowell used in many high temperature applications because they can work effectively up to temperatures surrounding 1200 °C.

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What Is The Advantage of Using Thermowells?
There are many reasons why you may choose to include a thermowell in your design specification. The main reason that people often choose to use them is because they are very durable, and provide excellent protection for the sensor from external damage caused by corrosive liquids or intense temperature.

We can provide a range of additional features to your new thermowell include addition of process thread or a custom made flange which we are able to weld and test to your specification

Contact us with your requirements if you have an existing sensor design or are unsure what you need we’ll be able to find you get the right thermowell. Please call Ms. Toh at 012-2951393 or email to sbtoh@dpstar.com.my.

Custom Temperature Sensors For Your Products

We, dpstar Group supply small or large quantities of Pt100 assemblies and other custom temperature sensors (Thermocouples & Thermistors) for inclusion in our customers manufactured products. We act as a contract manufacturer of temperature sensors for your own equipment (OEM integration).

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Temperature Sensor Standards
We can make temperature sensors using:

  • Pt100/Pt500/Pt1000 and other types of platinum resistance thermometer
  • Integrated Circuit (IC) Temperature Sensor (You supply or designate sensor to use)
  • Thermocouples – All types including base metal and rare metal
  • Thermistors

Contact us with your requirements if you have an existing sensor design or are unsure what you need we’ll be able to find you get the right sensor for your process. Please call Ms. Toh at 012-2951393 or email to sbtoh@dpstar.com.my.

Malaysia’s Leading Manufacturer Of Temperature Sensors.

dpstar Group is a specialist in providing solutions for temperature measurement. We design and manufacture:

  • Thermocouples
  • Resistance Thermometers
  • Thermistors and etc…

dpstar Group has supplied temperature sensors to a number of different industries such as Petrochemical, Oil and Gas, Monitoring and Testing, Food, Beverage and Catering, Universities and Research.

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dpstar Group is an industrial heating elements and thermocouples supplier in the Malaysian Market. We’re here to help, please call Ms. Toh at 012-2951393 or email to sbtoh@dpstar.com.my.

 

Expert Thermocouple Manufacturer Malaysia

We, dpstar Group have been designing and manufacturing thermocouples and heaters for clients all over the world for 30 Years.

What is a Thermocouple?
A thermocouple (TC) is a sensor that is used to measure temperature. It consists of two wire conductors made out of different metals. When these metals are welded together, a junction is formed. The temperature can be calculated by working out the voltage generated when a temperature change is detected. There are a number of different TC types and designs that each performs best at certain temperatures and in specific environments.

Type of Thermocouple

Rare Metal Thermocouple
Rare Metal Thermocouple, also called noble metal thermocouples or Platinum/rhodium alloy thermocouples, and can provide bespoke/custom designed sensors to your process or work to your specification and drawings. All types of rare metal TC can be supplied including Type R, Type S or Type B.

Base Metal Thermocouple 
Base Metal Thermocouple are commonly made from various nickel alloys. Different combinations of nickel alloys have become popular industry standards. We can manufacture bespoke/custom designed sensors to your process or work to your specification and drawings in all common thermocouple types including: Type K, Type J, Type N, Type E and Type T.

Mineral Insulated Thermocouples
MI thermocouples are a stable, durable temperature measurement solution. MI TC’s consist of an outer metal sheath, which has an inner filling of magnesium oxide powder. This powder surrounds the conductors providing great thermal conduction and also enabling the sensor to be bent into various shapes without affecting the measuring point.We are able to offer mineral insulated sensors in both simplex and duplex assemblies.

Cable Thermocouples
In cable thermocouples the sensor conductors are protected by flexible cable insulation. Depending on requirements the insulation can be PVC, Silicon rubber, PTFE or Glass fibre. There are many different designs of cable TC that are suitable for almost any application.

Thermocouple Inserts and Elements
Inserts can be inexpensive to produce and are ideal for insertion into an existing thermowell assembly. We can also supply various thermocouple elements for use in your own designs or to replace your existing broken elements.

Hand Held Thermocouple Probes
We can supply an extensive range of hand held thermocouple probes for use in a variety of environments. Most hand held probes come with a mini plug for connection to hand held instrumentation.

Today, we are considered the best choice for custom built temperature sensors in the Malaysia. We continue to apply our expertise and invest in the latest technology to provide our customers with the highest quality temperature sensors available.

Contact us with your requirements if you have an existing sensor design or are unsure what you need we’ll be able to find you get the right sensor for your process. Please call Ms. Toh at 012-2951393 or email to sbtoh@dpstar.com.my.

 

Introduction of Aplisens Hydrostatic level probes

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Hydrostatic level probes SGE-25S and SGE-25C for measurement of waste liquid levels

Aplisens Hydrostatic level probes SGE-25S and SGE-25C are applicable to measure levels of liquids containing contaminants or suspensions. A typical use for this probe is the measurement of levels of liquid waste in intermediate pumping stations, fermentation chambers, settling tanks etc.

Principles of operation, design for  Aplisens Hydrostatic level probes SGE-25S and SGE-25C

The probe measures liquid levels, basing on a simple relationship between the height of the liquid column and the resulting hydrostatic pressure. The pressure measurement is carried out on the level of the separating diaphragm of the immersed probe and is related to atmospheric pressure through a capillary in the cable. The use of a special separator with a large uncovered diaphragm minimizes the metrological effect of sediment deposit on the diaphragm surface. This enables the probe long lifetime and proper work in contaminated media (even in the presence of abrasives, such as sand) and facilitates cleaning with delicate stream of running water (washing with water under pressure may damage the probe).The active sensing element is a piezoresistant silicon sensor separated from the medium by an isolating diaphragm. The electronic amplifier, which works in combination with the sensor, and is meant to standardize the signal, is additionally equipped with an overvoltage protection circuit, which protects the probe from damage caused by induced interference from atmospheric discharges or from associated heavy current engineering appliances

Installation, method of use for Aplisens Hydrostatic level probes SGE-25S and SGE-25C

When lowered to the reference level, the probe may either hang freely on the cable or lie on the bottom of the tank. The cable with the capillary can be extended using a standard signal cable. For the cable connection a special Aplisens SG cable hanger is recommended. The cable connection should be situated in a non-hermetically sealed box (the internal pressure inside the box should be equal to the atmospheric pressure), preventing water or other contaminants from getting into the capillary. The Aplisens PP junction box is recommended For systems with long signal transmission lines, it is recommended the using of an additional Aplisens UZ-2 overvoltage protection circuit in the form of a wall-mounted box which allows the cables connection. When the probe cable is being wound up, the minimum winding diameter should be 30cm and the cable should be protected from mechanical damage. If there is a possibility of turbulence in the tank (for example, because of the mixer operating mixers or a turbulent inflow), the probe should be installed inside a screening tube (e.g. made of PVC). The line hooked on the lifting handle can simplify the operation of the probe pulling out. Cleaning the probe diaphragm by mechanical means is strictly prohibited.

For more information, please email to sbtoh@dpstar.com.my