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ABB 81943A041-1｜Precision Amplifier Module｜
5SHY3545L0014 and 3BHB013085R0001 are two types of industrial motion sensors, each with unique product characteristics.
Function
Amplify the weak millivolt level signal of TCD thermal conductivity sensor, with built-in filtering circuit to eliminate industrial interference
Standardized signal output, standard factory output 4-20mA analog signal
Support active/passive current output modes (explosion-proof zone 1 models are factory fixed and cannot be changed, zone 2 can be configured on site)
Built in isolation transformer (LP-40-600), strong and weak electrical isolation, resistant to on-site electromagnetic interference
Metal shielding shell, low-noise amplification, ensuring the accuracy of gas component concentration measurement
specification
Model: 81943A041-1
Origin: MADE IN U.S.A
Net weight: approximately 1.6kg
Supporting equipment: ABB PGC20 online gas chromatography analyzer
Output standard: 4-20mA analog quantity
Power supply: Internal dedicated power supply for the instrument (non universal 24VDC independent module)
Protection: Full metal shielding shell, screw sealed installation
Tag identification: P/N 81943A041-1, accessory code 5515194
Application scenarios
Online gas composition analysis for petrochemical, chemical, and natural gas stations:
Hydrogen, hydrocarbon, and inert gas concentration detection
Continuous component monitoring of process pipelines, heating furnaces, and hydrogen production units
Explosion proof Zone 1/Zone 2 Hazardous Area Online Chromatography System
By structuring the information in this manner, the article provides a clear and organized understanding of input channels, transducer supply, and communication implementations in distributed control systems.
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