Description
ACT-302 Digital Temperature Transmitter adopts imported temperature-sensing elements. The product performance is remarkable, with longer service life, higher measurement precision, longer stability and less maintenance. When standard analog signal output, various communication interfaces of the product can be expanded. The product is ideal substitute of general temperature transmitter.
Applications
* Substitute of imported temperature transmitter instrument
* Temperature monitoring and remote transmission for oil well and gas well.
* Applicable for temperature parameters network acquisition in large area.
Features
* Measuring range can be shift, and the recommended shift shall not exceed 3:1.
* with RS485 communication and 4～20mA current output
* Output current resolution ratio can be up to 3uA
* Always online communication technology, bus supports 255 devices with RS485
* Unique anti-radio frequency technology, matching with data radio teleportation monitoring perfectly
* Enhanced lightning protection technology, to ensure safety of instrument work
* Epoxy sealing structure, shock and temperature resistance, which is applicable to be installed and used in severe site environment.
* Pressure spring type structure, which can ensure the temperature-sensing elements can be fully contacted with measured temperature field. The temperature response is fast to reveal the true value of measured temperature field.
* The aluminum alloy shell is strong and shock resistant, with explosive-proof function.
Data Sheet
1．Measuring Range:Thermocouple: E: 0 ~ 750℃; K: 0 ~ 1200℃; S: 0 ~ 1300℃; B: 0 ~ 1600℃;
Thermal resistance: PT100: -200℃ ~ 500℃
2．Immersed Depth: 50 mm ~ 2500 mm (factory-made according to customers demand)
3．Output Signal: 4～20mA (24VDC two-wire system), 1 ~ 5 V
4．Communication Interface: RS485, RS232 and MOUDBUS
5．Accuracy Grade: 0.2 and 0.5
6．Stability: ＜0.12%FS／year
7．Display Mode: dynamic 5 digits display (equals to 5 1/2 digits), percentage progress bargraph, green backlight display, and all temperature units can be indicated.
8．Power Supply: 10-30VDC
9．Load Capability:RL= U- loop voltage (V) RL- allowable load resistance (Ω)
10．Working Environment: Temperature: -30℃～70℃ Humidity: <90%
11．Explosive-Proof Grade: ExdIICT6
12．Insulating Resistance: under normal temperature and test voltage is 500V, insulating resistance is more than 100MΩ
13．Electrical Interface: M20×1.5 (internal thread)
14．Process Link: M20×1.5 (external thread) or made in accordance with customers demands
