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Match the complete marking
Match the complete Emerson EZ1081-03-00-010 + EZ1901-090 marking and the installed configuration. Compare both component labels and the 10 m calibrated chain.
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Check the offered item before ordering
Please request clear photographs of Emerson EZ1081-03-00-010 + EZ1901-090, including its complete label and interfaces. Ask your maintenance team to compare the offered unit with the installed equipment and the applicable Emerson AMS EZ 1000 sensor installation guide before approving the order.
Technical specifications for EZ1081-03-00-010 + EZ1901-090
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Manufacturer:Emerson
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Product Category:Machinery Monitoring Systems
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Spare Part Number:EZ1081-03-00-010 + EZ1901-090
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Weight:0.2 kg
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Tariff Code:8537101190
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Sensing tip:8 mm
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Mounting thread:M10 × 1
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Case length:30 mm
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Ordered unthreaded section:00; fixed 5 mm tip neck still present
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Integral lead:1 m; armoured
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Extension cable:9 m; armoured
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Total electrical length:10 m
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Nominal sensitivity:8 V/mm ISO; 7.87 V/mm API
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Nominal gap:1.5 mm
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Probe temperature:-35 to +180 °C, including 1 m lead
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Extension / connector temperature:-35 to +150 °C
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Armoured-cable bend radius:Minimum 35 mm
Information
- The 30 mm case provides a short mounting body while the 9 m armoured extension reaches a more remote converter location. Its 10 m total cable length must remain matched to the EZ1000 calibration instead of borrowing the standard 5 m performance boundary.
Cable chain: 1 m probe lead + 9 m armoured extension
Converter matching: 10 m complete electrical length
The EZ1901 extension contributes 9 m to the 10 m chain. A compatible EZ1000 converter must be calibrated for the complete assembly and intended target. The nominal scale factor is 8 V/mm for ISO calibration or 7.87 V/mm for API calibration; a 1.5 mm nominal gap is a reference point within the matched system.
The 10 m electrical chain uses the general recommended dynamic range of no more than 1250 µm peak-to-peak. The separate 2000 µm recommendation for a standard 5 m API-calibrated chain must not be assigned to this configuration. Probe and integral cable operation is -35 to +180 °C, while extension cables and connectors are limited to -35 to +150 °C.
EZ1081-03-00-010 + EZ1901-090 Official Technical Excerpt
Technical material for Emerson EZ1081-03-00-010 + EZ1901-090 covers probe construction, 30 mm case selection, 9 m armoured extension and calibrated-chain limits. PDF · 10 pages.EZ1081-03-00-010 + EZ1901-090 Installation & Verification Guide
Apter Power installation and verification guide covering 30 mm mounting, 10 m chain identification, armoured cable routing and target-response verification. PDF · 5 pages.
Application scope: The 30 mm case provides a short mounting body while the 9 m armoured extension reaches a more remote converter location. Its 10 m total cable length must remain matched to the EZ1000 calibration instead of borrowing the standard 5 m performance boundary.
Relative shaft vibration
Observe target displacement through the complete calibrated eddy-current chain.30 mm mounting body
Use the selected case geometry to position the 8 mm sensing tip while retaining the fixed neck clearance.9 m cable reach
Route the armoured extension to the converter without changing the 10 m total electrical length.Static position measurement
Set and verify the target operating point using the matched converter output and intended calibrated range.
Do not cut or splice the 10 m chain or exchange extension lengths without matching calibration.
Maintain the specified target area, surrounding-metal clearance and fixed neck clearance.
Limit EZ108x locknut torque to 15 N·m and prevent cable twisting.
Keep extension cables and connectors within +150 °C even if the probe location permits +180 °C.
Use the specified hand-tightened connection and heat-shrink insulation; apply additional hazardous-area requirements where relevant.
Verify gap, target response and channel indication before restoring machinery monitoring.
Alternative Names
Technical notes
Signal relationship: Total electrical length is 1 m + 9 m = 10 m. Mechanical case length does not change this calculation and does not establish the displacement range.
Installation boundary: Keep the armoured cable bend radius at least 35 mm and stored loop diameter at least 100 mm. Avoid continuous oil immersion and direct oil-stream exposure; leave allowance for installation and thermal movement.
Technical basis: Emerson AMS EZ 1000 Sensor Installation Guide, MHM-97883 Rev. 1.09, January 2025. The order-code tables map the 30 mm EZ1081 probe and 9 m EZ1901 extension to a 10 m chain. Performance remains conditional on target and matched converter calibration.
FAQ View All FAQ
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Can the 9 m extension in EZ1081-03-00-010 + EZ1901-090 be replaced by a 4 m cable without recalibration?No. That would change the total electrical length from 10 m to 5 m. The complete probe, extension and converter calibration must match.
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What limits the mounting depth of EZ1081-03-00-010 + EZ1901-090?The selected case is 30 mm long with the ordered unthreaded section set to 00. The fixed 5 mm neck behind the tip must remain free; the available thread cannot be inferred by treating the whole case as usable mounting thread.
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Is the 5 m API dynamic-range allowance valid for EZ1081-03-00-010 + EZ1901-090?No. This is a 10 m combination. The general recommended dynamic range is at most 1250 µm peak-to-peak; the special 2000 µm value is restricted to the stated 5 m reference chain.
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Why should the connector of EZ1081-03-00-010 + EZ1901-090 be placed outside a +180 °C zone?The extension cable and connector limit is +150 °C. The higher +180 °C value belongs to the probe with its integral 1 m cable and does not extend to the joint.
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How does a nearby counterbore affect installation of EZ1081-03-00-010 + EZ1901-090?Nearby metal changes the eddy-current field. The 8 mm probe requires appropriate counterbore clearance; a 24 mm diameter is recommended rather than fitting the tip tightly inside surrounding metal.
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What maximum locknut torque applies to EZ1081-03-00-010 + EZ1901-090?The EZ108x probe locknut limit is 15 N·m. Hold the case correctly so tightening does not twist the cable.
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Why is continuous oil immersion unsuitable for the extension in EZ1081-03-00-010 + EZ1901-090?The installation guidance excludes continuous immersion in oil and direct oil-stream exposure. Route and support the cable so the joint remains protected from that service condition.
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How is the measuring gap of EZ1081-03-00-010 + EZ1901-090 established after assembly?Use the matched converter and target to set the electrical operating point. The 1.5 mm nominal gap is a reference geometry, not a substitute for checking the actual calibrated output.
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