GE IS200SAMBH1A IS200SAMBH1APR1 | Acoustic Monitoring

Dedicated Interface for Turbine Acoustic Sensors

The GE IS200SAMBH1A IS200SAMBH1APR1 terminates signals from acoustic emission sensors. This terminal board belongs to the Mark VI series from General Electric. It conditions high-frequency sound signals for analysis. Therefore, it enables early detection of valve leakage and bearing faults.

Physical Dimensions and Panel Mounting Details

This acoustic board measures 18 cm in width, 14 cm in height, and 3 cm in depth. The GE IS200SAMBH1A IS200SAMBH1APR1 weighs approximately 0.38 kg, which supports stable DIN rail mounting. Its compact design fits into standard GE terminal panels. Consequently, you can install it near the turbine casing without difficulty.

Connector Layout and Component Configuration

The GE IS200SAMBH1A IS200SAMBH1APR1 features one 34-pin ribbon cable header for rack interface. It also provides eight 3-pin screw terminal blocks for sensor wiring. This board contains eight pre-amplifier circuits for signal boosting. Additionally, it includes eight energy storage capacitors for stable bias supply.

Technical Parameter	Specification
Full Model Name	GE IS200SAMBH1A IS200SAMBH1APR1
Manufacturer	General Electric (GE)
Series	Mark VI / Speedtronic
Product Category	Acoustic Monitoring Terminal Board
Weight	0.38 kg (0.84 lbs)
Dimensions (W x H x D)	180 mm x 140 mm x 30 mm
Ribbon Cable Header	1 x 34-pin
Sensor Terminal Blocks	8 x 3-pin (screw type)
Pre-Amplifier Circuits	8 units
Energy Storage Capacitors	8 units (220 µF each)
Total Capacitance	1,760 µF
Sensor Bias Voltage	24 VDC
Frequency Response	10 Hz to 100 kHz
Input Impedance	1 MΩ
Number of Channels	8 independent channels
Operating Temperature	–20°C to +65°C

Energy Storage and Signal Amplification Performance

The GE IS200SAMBH1A IS200SAMBH1APR1 stores enough energy for stable sensor bias. Its eight capacitors provide 1,760 µF of total capacitance. This storage filters out power supply noise from the pre-amplifiers. Furthermore, each pre-amplifier provides 20 dB gain for weak acoustic signals.

Role Within the Mark VI Monitoring System

You will typically find the GE IS200SAMBH1A IS200SAMBH1APR1 mounted near the turbine valve chest. It connects to the main rack via a shielded ribbon cable. Moreover, this board supports both piezoelectric and ultrasonic sensor types. Its eight channels monitor acoustic emissions from valves, bearings, and gearboxes.

Installation and Sensor Wiring Guidelines

Use the GE IS200SAMBH1A IS200SAMBH1APR1 as a direct replacement for older SAMB revisions. Always verify the sensor cable shield connection before terminating wires. This terminal board requires an external 24 VDC supply for sensor bias. It needs no configuration jumpers or special tools. Simply secure the board with four mounting screws and connect your coaxial sensor cables to the 3-pin blocks.