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I - Hocking Instruments
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Autosigma 3000
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The New AUTOSIGMA 3000 is a small,
simple-to-use instrument that offers full size instrument performance and user
preferred features, in a small handheld package. The AUTOSIGMA 3000 has the
quality, dependability, and durability that you expect from HOCKING NDT
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Capabilities Include:
- Automatic Lift-off Compensation (up to 0.020 inches of
coating).
- Simple Menu Structure
- High Shielded Probes Minimize Edge Effect.
- Temperature Corrected Readings
- Field Exchangeable Probes
- Two Frequency Operation
- 0.8 to 110% IACS Conductivity Range
- RS-232 Serial Interface
- Internal Datalogger Memory (DL version
only)
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AutoSigma 2000
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The AUTOSIGMA 2000 is an electrical
conductivity meter that can quickly and easily sort non-magnetic metals and
detect changes in material grade or heat treatment. The AUTOSIGMA 2000 is a full
function portable instrument with simple operation, automatic calibration,
alarms, data collection, and RS-232 communication.
Capabilities
Include:
- Wide conductivity range
- (0.8% to 110% IACS).
- Measurement accuracy to 0.1% IACS.
- Readings are temperature corrected to 20° C.
- Automatic lift-off compensation to 0.030".
- Simple two step procedure for calibration and lift-off compensation.
- Six large, self-explanatory keys control all functions.
- Select the model to satisfy your application requirements.
- Probes are shielded to minimize edge effect.
- Probes contain
an
integral thermistor for temperature measurement.
Straight and right-angle probes
available.
Operates on NiCad/Alkaline batteries with
built in charger.
Operates up to 10 hours on three readily
available "C" size alkaline batteries.
Rugged weatherproof case and sealed membrane
keypad protect internal electronics.
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Phasec D60
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The Phasec D60 is a lightweight, portable, battery powered eddy
current instrument designed to handle the rigors of tube
inspection. Dual frequency inspection allows automatic mixing
out of unwanted signals (such as tube support plates) at the
touch of a button. By recording and playing back signals on the
Phasec D-60, inspection setups can be optimized before you
start, making sure you always achieve the best possible results.
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Phasec 1.1 SD
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The PHASEC 1.1 SD delivers a standard of performance and power
with reliability and unrivalled ease of use. The PHASEC 1.1 SD
has the quality, dependability, and durability that you expect
from HOCKING NDT instruments built into them.
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Phasec 2200
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The New PHASEC 2200 is a small, Simple-to-Use, instrument that
offers big Eddy Current performance and user preferred features. The PHASEC 2200
has the quality, dependability, and durability that you expect from HOCKING NDT
instruments.
Capabilities
Inlcude:
- Three (3) rotating probe
drives are available for the PHASEC2200. (The Standard
Rotating Drive, The NEW MiniDrive, The Incrementing/Indexing Probe Drive)
- ON-SCREEN CONDUCTIVITY
(Digital Conductivity measurements displayed on-screen, in % IACS or Mega-Siemens)
- AUTO FEATURES
- Automatic Lift-off
configures the instrument phase to optimum angle for detection of surface
cracks.
- Auto-Mix (with manual override) configures the
instrument for EASY MIXING.
- Auto Selected Internal
Balance Loads, for use with Absolute type probe.
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Quickcheck
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The QUICKCHECK is a general purpose eddy current flaw detection
and metal sorting instrument for both on-site and automated
inspection applications. An alphanumeric display allows the user
to quickly and easily set the frequency, gain, phase, filters
and alarms at the start of a job. The bright LED bargraph
ensures accurate, fast, and repeatable signal interpretation. The
QUICKCHECK can be combined with simple mechanical fixturing for a
low cost inspection system. Operator adjustable alarm settings,
multiple instrument syncing capability, and external control of
balance, lift-off, and inhibit allow easy QUICKCHECK integration
into automated systems.
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Miniphasec
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The MINIPHASEC is a lightweight, compact, phase plane eddy
current instrument offering the speed and resolution of a CRT
display. The durable design of the MINIPHASEC will give years
of dependable performance. The MINIPHASEC offers all the full
function phase plane instrument features in a compact design.
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II - Hocking Probes
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Hocking Probes
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Hocking manufacture probes to the highest standard that satisfy
demands for eddy current inspection. They can be manufactured to
suit specific jobs, such as difficult access, or
specific demands for frequency or lift-off performance. Probe types can be
loosely grouped into the following types of probe, though different industries
may have special probes manufactured
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Straight Surface Probes - Shielded
Double shielded probes with a stainless steel
shaft and a choice of straight or 90° tip. Metal handle probes have a small
handle to allow delicate probe control in areas of restricted access, or for
fitting in a probe holder. Acetal (Delrin) handle probes are suitable for
general purpose surface inspection work.
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Cranked Surface Probes - Shielded
Double shielded probes with a cranked stainless
steel shaft and a choice of straight or 90° tip. Metal handle probes have a
small handle to allow delicate probe control in areas of restricted access, or
for fitting in a probe holder. Acetal (Delrin) handle probes are suitable for
general purpose surface inspection work.
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Straight Surface - UnShielded
Unshielded surface probes are lower cost broad field probes
which are most effective when used away from edges and sharp changes of
geometry. The style shown on this page is used extensively in the Aerospace
Industry with Locator, Quickcheck and phase plane instrumentation.
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III - Hocking Wheelscan IV
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Wheelscan IV -
Automatic Eddy Current Aircraft Wheel Inspection
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WheelScan Mk IV is designed to meet
the need for fast, automated inspection of aircraft wheels.
Traditionally aircraft wheel
inspection has been time-consuming and difficult, with the only opportunity to
inspect existing during wheel refurbishment and tyre change. As an inspector you
have to be confident that very small flaws will be reliably detected, as failure
to do so could be dangerous.
To maintain high safety
standards and detect microscopic flaws in a cost-effective manner, inspections
have to be automated and take place at speeds the productivity of your wheelshop
demands. manual inspection does not offer the combination of speed and accuracy
needed, only automatic equipment gives reliable detection at high speed. Hocking
eddy current technology enables the detection of cracks on and just below the
wheel surface that may be invisible to the naked eye and other non-destructive
testing techniques.
Rapid performance and
comprehensive coverage WheelScan Mk IV is a high performance fully automated
aircraft wheel inspection machine designed to detect cracks and corrosion in
wheel half-hubs. It employs eddy current technology through it field-proven
WheelScan E instrument and reduces inspection time to approximately two minutes
per half-hub, inspecting over 100 half-hubs per day. WheelScan Mk IV can lift
wheels weighing up to 200kg (440lb) with diameters up to 830mm (32.6").
WheelScan Mk IV employs a systematic and rapid approach to wheel inspection:
- Wheel half hub arrives at the
machine on the integral conveyor and is raised and rotated on the electrically
operated ram.
- The operator can set wheel
rotation speed and test helix. The probe entry and exit heights are set
according to the inspection standard. The RS232 port will allow these settings
to be stored and set by a PC.
- The probe is automatically
calibrated and brought to the half-hub where it tracks the precise profile of
the wheel from the programmed start height to the programmed end height.
The probe sweeps out a helical
scan pattern on the wheel surface over the area set by the operator. The test
parameters can be varied. The inspection result is printed out alongside a
channel showing the lift-off (paint thickness etc) and calibration records occur
before and after the inspection record.
For a high turnaround, with an
extensive reduction in preparation before inspection WheelScan Mk IV measures
and records lift-off, which allows the probe to inspect even if it is not in
direct contact with the metal. This enables painted wheels to be inspected
without stripping.
Details of each inspection are
recorded by WheelScan Mk IV's integral two channel chart recorder, providing a
hard copy of the results and settings for your service records.
WheelScan Mk IV – the eddy
current solution to aircraft wheel inspection.
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