The PR6426 sensing head creates a high-frequency electromagnetic field toward a conductive target. Shaft movement changes the eddy-current interaction, and the matched CON021/916-160 converts that change into a conditioned voltage for monitoring and protection.
Measurement uses: radial shaft vibration, axial position, relative displacement, eccentricity and other large-gap rotating-machinery duties.
NO MECHANICAL CONTACT
Conductive target required
Static and dynamic response
Continuous machine monitoring
Matched sensor-converter set
CALIBRATED SET / 02
PR6426 and CON021 Operating Profile
Sensor family
PR6426
Converter execution
916-160
Measuring principle
Eddy current
Extended measuring range
16.0 mm
Linearity error
Maximum 2.0%
Approximate initial gap
1.5 mm
Frequency range
0 to 20 kHz, -3 dB
Rise time
Less than 15 microseconds
Output selections
-2 to -18 V or -4 to -20 V
Nominal supply
-24 VDC
Converter temperature
-30 to +100 C
Protection class
IP20
COMPLETE SIGNAL CHAIN / 03
Gap Change to Machine Protection
SHAFT TARGET Conductive surface
→
PR6426 Eddy-current sensing
→
CON021/916-160 Excitation and conversion
→
MONITOR Value, alarm, trip
TARGET Material and geometry
GAP Mechanical installation
SCALING Converter execution
CHANNEL Monitor configuration
RANGE SELECTION / 04
Choose the Converter Suffix, Not Only the Probe
916-120 12.0 mm range 1.5% linearity error
916-160 16.0 mm range 2.0% linearity error
916-200 20.0 mm range 2.5% linearity error
916-240 24.0 mm range 3.5% linearity error
Matching rule: probe family, converter suffix, total cable arrangement, target material, initial gap and monitor-channel scaling form one measurement system.
AMIKON SUPPLY SERVICE / 05
Matched Monitoring Spares for Rotating Machinery
20+ Years Industrial automation supply
Set Matching Probe and converter checked together
Urgent Dispatch Support for critical machinery
12-Month Warranty Coverage for supplied products
Return support: Contact us within seven days if an issue appears after receipt. Keep the item in its original condition and state the reason. Return or replacement handling begins after receipt and inspection; return freight is arranged by the buyer.
Can PR6426/010-000 operate without CON021/916-160? No. The probe requires a compatible converter to excite the sensing coil and condition the displacement signal.
02
Does every CON021 for PR6426 provide the same range? No. The suffix defines the calibrated range. The 916-160 execution is the 16.0 mm extended-range version.
03
Can the existing monitor scaling remain unchanged after replacement? Only when range, output selection, target material, cable arrangement and installed gap match the previous measuring chain.
04
Why does target material matter? Eddy-current response depends on electrical conductivity and magnetic properties. Calibration for one shaft material cannot be assumed for another.
05
What should accompany a compatibility request? Provide both complete model codes, installed cable arrangement, target material, initial gap, output range, monitor model, channel scaling, quantity and delivery date.
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MATCH PROBE / CONVERTER / GAP / TARGET
Request PR6426/010-000 CON021/916-160
Send both complete model codes, cable arrangement, target material, installed gap, output range, monitor channel and required delivery date.