Reverse installation
The sensor body is installed from the reverse side of the machine mounting arrangement, so the available thread and clearance must be checked first.
Vibro-MeterTQ9xx proximity measurement chainVM600 / VM600Mk2
Vibro-Meter TQ912 111-912-000-011-A1-B1-E1000-F0-G0-H05 TQ912 reverse-mount proximity sensor
Product Description
The Vibro-Meter TQ912 111-912-000-011-A1-B1-E1000-F0-G0-H05 is a reverse-mount TQ9xx proximity sensor used with the EA902 extension and IQS900 signal conditioner. Its principal duty is to sense relative displacement at a machine location where the probe is installed from the reverse side of the mounting arrangement.
For TQ912 111-912-000-011-A1-B1-E1000-F0-G0-H05, the supplied ordering string identifies the TQ912 type, standard environment, M10 × 1 body thread, 1 m integral cable, no optional cable protection and no flexible-hose length. The TQ912 mechanical position differs from the standard-mount TQ902 even though both belong to the same TQ9xx measurement-chain family.
For TQ912 111-912-000-011-A1-B1-E1000-F0-G0-H05, the probe produces the front-end response; the EA902 cable, when used, extends the front end and the IQS900 converts the chain response into AC vibration and DC gap components for the monitoring system.
Product Specifications
| Technical Item | TQ912 111-912-000-011-A1-B1-E1000-F0-G0-H05 |
|---|---|
| Brand | Vibro-Meter |
| Product Type | TQ912 reverse-mount proximity sensor |
| Product Line | TQ9xx / EA902 / IQS900 proximity chain |
| Environment Code | A1 standard |
| Body Thread Code | B1 / M10 × 1 |
| Integral Cable Code | E1000 / 1 000 mm |
| Cable Protection Code | F0 / none |
| Flexible Hose Code | G0 / none |
| Total System Code | H05 / 5 m family code |
| Target Material | Metallic target |
| Signal Conditioner | IQS900 |
| Mounting Style | Reverse mount |
Installation Highlights — Reverse-Mount Probe
TQ912 is selected for the reverse-mount geometry rather than the standard-mount geometry of TQ902.
Cable exit
The E1000 and F0 codes specify a 1 m integral cable without optional flexible-hose protection.
Chain completion
The EA902 extension and IQS900 remain part of the measurement chain when a longer or conditioned output path is required.
Product Functions — TQ912 Measurement Chain
TQ912 performs the eddy-current sensing function at the front of the reverse-mounted chain.
Gap measurement
The probe response changes with the distance to a metallic target.
Dynamic component
The IQS900 uses the changing response to provide the AC component associated with relative vibration.
Quasi-static component
The same chain provides a DC component associated with the measured gap.
Common Questions
Will the reverse-side access and clearance accept Vibro-Meter TQ912 111-912-000-011-A1-B1-E1000-F0-G0-H05 at the planned machine location?
Confirm the reverse-mount access, M10 × 1 thread and target gap before installing Vibro-Meter TQ912 111-912-000-011-A1-B1-E1000-F0-G0-H05. Its mounting orientation is the selection boundary, so a standard-mount probe cannot be used to solve a reverse-side clearance problem.
Is the installed EA902 and IQS900 chain suitable to retain with Vibro-Meter TQ912 111-912-000-011-A1-B1-E1000-F0-G0-H05?
Retain the chain only after checking the connector, 1 m E1000 cable and H05 total-system arrangement of Vibro-Meter TQ912 111-912-000-011-A1-B1-E1000-F0-G0-H05. Confirm the reverse-mount probe is assigned to the correct IQS900 channel before starting the machine.
What cable-entry protection is needed because Vibro-Meter TQ912 111-912-000-011-A1-B1-E1000-F0-G0-H05 uses F0 and G0?
F0 and G0 specify no optional cable protection or flexible-hose section on Vibro-Meter TQ912 111-912-000-011-A1-B1-E1000-F0-G0-H05. Provide the required mechanical support and sealing at the actual entry; do not assume the code includes an IP172 hose.
How should a gap or signal fault be separated from a mounting problem on Vibro-Meter TQ912 111-912-000-011-A1-B1-E1000-F0-G0-H05?
Check reverse-side seating, the metallic target and the M10 × 1 thread first for Vibro-Meter TQ912 111-912-000-011-A1-B1-E1000-F0-G0-H05. Then inspect the E1000 cable, EA902 extension and IQS900 input so a mechanical offset is not mistaken for conditioner drift.
Can Vibro-Meter TQ912 111-912-000-011-A1-B1-E1000-F0-G0-H05 be replaced by a TQ902 if the cable length is similar?
No; preserve the reverse-mount selection and complete chain for Vibro-Meter TQ912 111-912-000-011-A1-B1-E1000-F0-G0-H05. Similar cable length does not remove the different machine-side access and probe geometry requirement.
What should be confirmed if Vibro-Meter TQ912 111-912-000-011-A1-B1-E1000-F0-G0-H05 raises an alarm immediately after commissioning?
Confirm the IQS900 channel assignment, target gap, connector lock and H05 chain length for Vibro-Meter TQ912 111-912-000-011-A1-B1-E1000-F0-G0-H05. Only after those checks should the probe or conditioner be considered for replacement.
Shipping Services
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https://www.mvme.cn/
Moore Automation ties packing documentation to the manufacturer and complete model supplied in the enquiry. The quantity and visible item are checked against that record before dispatch communication.
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