The AE119 800-119-000-025 is a housing expansion probe designed to measure the absolute thermal expansion of large and medium-sized rotating machinery, including steam turbines and gas turbines. It uses eddy-current sensing technology with integrated signal-processing electronics and provides a 4–20 mA output for connection to a compatible monitoring or control system.
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|
Parameter |
Specification |
|---|---|
|
Product Series |
AE119 |
|
Product Name |
Housing Expansion Probe |
|
Ordering Number |
800-119-000-025 A1-B1 |
|
Product Category |
Industrial Automation / Turbine Monitoring |
|
Measurement Principle |
Eddy-current sensing |
|
Measurement Range |
50 mm |
|
Output Signal |
4–20 mA |
|
Power Supply |
24 VDC nominal; 20–32 VDC operating range |
|
Current Consumption |
60 mA nominal at 24 VDC; 70 mA maximum |
|
Maximum Load Resistance |
500 Ω |
|
Electrical Frequency Response |
0–1,000 Hz |
|
Mechanical Frequency Response |
0–5 Hz |
|
Linearity |
Less than 1% of full scale |
|
Operating Temperature |
0 to +80°C |
|
Storage Temperature |
0 to +100°C |
|
Protection Rating |
IP54 |
|
Housing Material |
Aluminium and stainless steel |
|
Approximate Weight |
4.0 kg for the 50 mm version |
|
Electrical Connection |
5-pin circular threaded connector |
|
Recommended Cable Assembly |
EH140 |
|
Mounting |
Mounting bracket with M10 fixing bolts |
|
Product Condition |
To be confirmed for the supplied unit |
|
Warranty |
12 months, subject to quotation terms |
| Origin | Switzerland |
| Dimension | 30*10*10cm |
| Weight | 4.0kg |
| HS code | 8466300000 |
The AE 119 housing expansion probe can measure the absolute expansion that all thermal machines experience due to variations in temperature. The transducer is available with either a 50 mm or 100 mm measuring range and is suitable for medium or large gas turbines and steam turbines.
Housing expansion probe FEATURES：
» From the Vibro-Meter® product line
» Eddy current principle
» Integrated processing electronics
» Measurement range: 50 mm or 100 mm
» Splash-proof (IP54 protection rating)
Electrical：
Input power requirements
• Voltage: +20 to +32 VDC
• Current: 60 mA nominal at 24 VDC (70 mA max.)
• Max. load resistance:500 Ω
Operating：
Frequency response
• Electrical : 0 to 1000 Hz
• Mechanical : 0 to 5 Hz
Accuracy
• Linearity : <1% of FSD • Resolution : <0.05‰ of FSD
• Reproducibility : <0.05‰ of FSD
Product Function and Operating Principle
The AE119 housing expansion probe is used to monitor the absolute expansion of a machine casing as its temperature changes during startup, operation, and shutdown.
In a turbine installation, thermal expansion changes the position of the monitored machine surface relative to the probe mounting point. The AE119's spring-loaded measurement rod follows this movement, while the internal eddy-current sensing electronics convert the rod position into an electrical signal.
The resulting 4–20 mA signal represents the measured expansion over the configured range. This signal can be read by a compatible monitoring input, control system, or associated measurement chain, provided that the input characteristics and signal scaling are correctly configured.
The AE119 includes its signal-processing electronics in the probe body, so a separate signal conditioner is not normally required for the probe itself. The complete installation must still provide a suitable power supply, compatible wiring, and a properly configured receiving channel.
Key Technical Characteristics
Measures absolute housing expansion rather than conventional vibration velocity.
Provides a 4–20 mA current-loop output for industrial measurement applications.
Offers a 50 mm measuring range for the specified ordering number.
Includes integrated signal-processing electronics.
Uses a mechanical mounting bracket and spring-loaded measurement rod.
Supports turbine monitoring applications where thermal expansion is an important operating parameter.
System Compatibility
The AE119 should be evaluated as a measurement-chain component, not assumed to be a plug-and-play replacement for every vibration monitoring channel.
Before confirming compatibility, check:
The receiving monitor or controller's supported 4–20 mA input.
The required measurement range and engineering-unit scaling.
The available 24 VDC supply and total loop load.
The cable assembly and connector arrangement.
The mounting direction, mechanical clearance, and target surface.
The monitoring channel's configured input type and alarm limits.
Do not claim universal compatibility with Bently Nevada 3500, VM600, MPC4/IOC4T or other specific platforms without confirming the actual input interface and installation design. A matching connector or similar application does not establish electrical compatibility.
Related Models and Replacement Options
AE119 - 800-119-000-025
The requested AE119 housing expansion probe. Confirm the complete orientation and scale configuration before ordering.
AE119 - 800-119-000-112
The manufacturer's data sheet lists this ordering number for the 100 mm AE119 version. Consider it only when the required measuring range is 100 mm and the installation configuration is verified.
EH140 Cable Assembly
An associated cable assembly for connecting the AE119 to the monitoring system. Cable length, connector angle, and mechanical protection options must be confirmed separately.
Replacement note: A 100 mm probe is not automatically interchangeable with the 50 mm version. If the original part is unavailable, confirm the complete part number, required travel, scale direction, mounting dimensions, and receiving-system configuration before approving an alternative.
Installation and Operating Precautions
Verify the measuring range.
Confirm that the 50 mm version meets the machine's expected expansion travel.
Check the mounting position.
The probe must be installed in relation to the machine surface specified for absolute expansion measurement.
Confirm orientation.
Check the left/right assembly orientation and scale direction against the existing installation.
Use a compatible cable.
The EH140 cable assembly is identified in the product documentation; connector and protection-tube options must match the installation.
Check the power supply.
The specified operating supply is 20–32 VDC, with 24 VDC nominal.
Verify the current loop.
Ensure that the receiving input, wiring, and total load are compatible with the maximum specified load resistance.
Observe environmental limits.
The stated operating temperature is 0 to +80°C, and the protection rating is IP54. Do not assume suitability for immersion or an unverified hazardous-area classification.
Follow qualified installation procedures.
Mounting torque and electrical connection details should be taken from the original installation manual.
AE119 Measurement Ranges, Mounting Orientation and Ordering Codes
AE 119 housing expansion probe – 50 mm:
| Ordering number: 800-119-000-025 | ||
| -A | Orientation (A) | |
| Left | 1 | |
| Right | 2 | |
| -B | Scale (B) | |
| 0 to 50 mm | 1 | |
| 50 to 0 mm | 2 | |
AE 119 housing expansion probe – 100 mm:
| Ordering number: 800-119-000-112 | ||
| -A | Orientation (A) | |
| Left | 1 | |
| Right | 2 | |
| -B | Scale (B) | |
| 0 to 100 mm | 1 | |
| 100 to 0 mm | 2 | |
The Vibro-Meter AE119 housing expansion probe is available in two measuring ranges, 50 mm and 100 mm, and two assembly orientations, left-oriented and right-oriented. The display scale can also be configured to increase in either direction.
These options determine how the probe fits into the machine installation, how the measurement scale is read, and how the measured expansion is interpreted by the operator. They must be considered when selecting a replacement for an existing probe.
The four basic configurations are:
50 mm measuring range, left-oriented assembly
50 mm measuring range, right-oriented assembly
100 mm measuring range, left-oriented assembly
100 mm measuring range, right-oriented assembly
The manufacturer documents these configurations under two base ordering numbers: 800-119-000-025 for the 50 mm version and 800-119-000-112 for the 100 mm version. The final A and B codes identify the assembly orientation and scale direction.
50 mm measuring range
Designed for installations where the required absolute expansion measurement is within a 50 mm range. The probe has a shorter measurement assembly than the 100 mm version.
100 mm measuring range
Designed for applications requiring up to 100 mm of measurement travel. Its longer mechanical assembly and different scale must be accommodated in the machine installation.
A1 - Left-Oriented Assembly
The probe is configured for a left-oriented assembly. The mounting arrangement and display scale are positioned according to the A1 configuration.
Orientation code: A1
Compatible scale codes: B1 or B2
Select according to the actual installation layout.
A2 - Right-Oriented Assembly
The probe is configured for a right-oriented assembly to accommodate the opposite installation arrangement.
Orientation code: A2
Compatible scale codes: B1 or B2
Confirm the mounting and connector positions before ordering.
Complete AE119 Ordering Code Reference
Measuring Range Base Ordering Number Orientation Scale Direction Complete Ordering Code
50 mm 800-119-000-025 A1 - Left B1 - 0 to 50 mm 800-119-000-025-A1-B1
50 mm 800-119-000-025 A1 - Left B2 - 50 to 0 mm 800-119-000-025-A1-B2
50 mm 800-119-000-025 A2 - Right B1 - 0 to 50 mm 800-119-000-025-A2-B1
50 mm 800-119-000-025 A2 - Right B2 - 50 to 0 mm 800-119-000-025-A2-B2
100 mm 800-119-000-112 A1 - Left B1 - 0 to 100 mm 800-119-000-112-A1-B1
100 mm 800-119-000-112 A1 - Left B2 - 100 to 0 mm 800-119-000-112-A1-B2
100 mm 800-119-000-112 A2 - Right B1 - 0 to 100 mm 800-119-000-112-A2-B1
100 mm 800-119-000-112 A2 - Right B2 - 100 to 0 mm 800-119-000-112-A2-B2
AE 119 Download Manual / Datasheet