Thermocouple k integrated temperature sensor
4-20MA/0-5VDC/0-10VDC/485 output thermowell thermocouple k-type Integrated temperature sensor
description:
JWB integrated temperature transmitter, sensor is a contact type of temperature measurement field instrument, with good electromagnetic compatibility, anti-interference performance and output protection function, usually corresponding to the two
Secondary instruments or computer acquisition and measurement system supporting the use of accurate measurement of -200℃ ~ 1600℃ various media or object temperature.
This series of products refer to and comply with the relevant GB standards, JJG regulations and IEC standards, and refer to the advantages of similar products at home and abroad to optimize the design, so as to make the whole product more reliable and accurate
Indeed, it is very suitable for temperature measurement in various field environments.
structure:
Basic structure: connecting device + junction box + protection tube + (sensor + transmission module)
Length: L= total length of protective tube/insertion length (unit: mm, seal
Insert length below face).
(length of cold end: a. reduce conduction and radiation temperature, protect module circuit, terminal and wire
Cable; Stable thermocouple reference end temperature field.
Process connection: all kinds of thread, movable thread, flange, movable flange, etc.
Junction box: water proof type, flameproof Ex d Ⅱ BT4, IP65 protection grade
Protection pipe: the selection of pipe diameter should consider the structural strength, thermal response time and maintainability. material
Temperature, mechanical strength and chemical properties.
The products with the diameter of protective tube ≤8mm should not be used in the occasions with flow rate, agitation or pressure.
(armor type flexible, relatively shock and pressure resistant)
Basic structure: connecting device + junction box + protection tube + (sensor + transmission module)
Length: L= total length of protective tube/insertion length (unit: mm, seal
Insert length below face).
Common materials are stainless steel lCr18Ni9Ti; High temperature with high aluminum porcelain tube, steel jade porcelain tube.
Can order a variety of structures, special materials protection sleeve (high temperature, high pressure, wear, anti -
Chemical corrosion, etc.).
(length of cold end: a. reduce conduction and radiation temperature, protect module circuit, terminal and wire
Cable; Stable thermocouple reference end temperature field.
i.
Sensors: sensors belong to lossy products, high temperature and vibration can affect the life of sensors and products
By sex. (armor type of sensor is aseismic compared with component type)
| Standard signal output (integrated transmitter) | ||||
| code | output | accuracy | powered | load |
| A | (4~20)mA DC two-wire | 0.5%,0.2% | 24V DC | ≥650Ω |
| V | (0~5)V DC three-wire system | 0.50% | 12V DC | 2KΩ~200KΩ |
| D | RS485 communication(Modbus-RTU) |
0.5%,0.2% | 12V DC | 64dot |
| According to the measuring range, accuracy and environment required by the user, the manufacturing department shall determine the sensors used in the product. |
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| Built-in transformer module related performance: integrated circuit sealing and curing: suitable for humid, salt spray, dust, corrosion, vibration environment power supply:12VDC~32VDC degree of accurancy;:0.2% 0.05% * Circuit temperature drift:±0.005%/℃ ambient temperatures:-30℃~85℃ Use of relative humidity5%RH ~ 85%RH 28/5000 Polarity protection, anti-overcurrent, anti-overpressure, anti-surge, anti-electromagnetic interference intrinsic safety type Ex iaIICT4 Output protection, sensor abnormal judgment function: sensor open output >23 mA <25mA, Output when the sensor is short-circuited≤3.8mA |
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| Sensor signal output | ||||
| code | output | Accuracy tolerancet ℃ | Temperature range | |
| P | Pt100 thermal resistance | A ±0.15+0.002.|t| | 50℃~300℃ -200℃~500℃ | |
| B ±0.30+0.005.|t| | ||||
| K | K Indexing thermocouple | ±2.5℃±0.75%.|t| | 0℃~900℃ 0℃~1100℃ 0℃~1300℃ | |
| S | S Indexing thermocouple | ±1.5℃±0.25%.|t| | 0℃~1300℃ 0℃~1600℃ | |
| Grade A thermal resistance, grade I thermocouple is required when ordering. Supply: dual core sensor, Pt1000 thermal resistance,N,B,T,J,EIndexing thermocouple * |
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