N/TSA-5.28/E Underground transmitter

Description

The N/TSA-5.28/E transmitter receives a signal from the SP-5.28/E measurement probe of the ARES-5/E system. The device receives an analog signal from the probe, filters it, amplifies it, converts it into a current signal, and then transmits it to the surface station.

The transmitter is available in two versions: standard or with enhanced electromagnetic immunity, marked as "Version - K".

The downhole transmitter N/TSA-5.28/E is an intrinsically safe device, Group I, Category M1.

Specification

Electrical parameters (power line)
Maximum input voltage   Ui = 37.28 V
Maximum input current   Ii = 126 mA
Maximum input power   Pi = 2.23 W
Maximum internal inductance   Li = 8 mH
Maximum internal capacitance   Ci = 1 nF
Minimum supply voltage   12 V DC
Rated supply current   15 mA ± 5%
Electrical parameters (signal line transmitter - probe)
Maximum output current   Io = 63 mA
Maximum output voltage   Uo = 6.51 V
Maximum output power   Po = 0.21 W
Maximum external capacitance   Co = 20 μF
Maximum external inductance   Lo = 92 mH
Maximum input current   Ii = 10 mA
Maximum input voltage   Ui = 14.2 V
Maximum input power   Pi = 0.15 W
Maximum internal capacitance   Ci – negligible
Maximum internal inductance   Li = 8 mH
Metrological parameters
Frequency response   28 Hz – 1500 Hz (3500 Hz)
Transmitter transmittance   0.05919 A/V ± 10%
Test signal generator frequency   480 Hz ± 10%
Mechanical parameters
Protection class   IP54
Ambient temperature   0°C – 45°C
Additional functions
- Transmitter-to-receiver connection test    

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