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Olympus EPOCH 650 Ultrasonic Flaw Detector

  • 1. Olympus EPOCH 650 Ultrasonic Flaw Detector
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Product Description

Olympus EPOCH 650 Ultrasonic Flaw Detector


- Designed to meet the requirements of EN12668-1
- PerfectSquareTM tunable square wave pulser
- Full screen A-scan mode
- Digital high dynamic range receiver
- Thirty digital filters for enhanced signal-to-noise ratio
- 2 kHz PRF for rapid scanning
- Knob or navigation pad adjustment configurations
- Large, full VGA sunlight readable display
- 15+ hours of battery life
- Standard dynamic DAC/TCG and onboard DGS/AVG
- Multiple on-board report formats
- MicroSD memory card for data transfers
- Optional Corrosion Module software with Encoded B-scan
- USB On-The-Go (OTG) for PC communication
- Alarm and VGA outputs
- Optional analog output

Portable, Rugged, and Ergonomic

Physical Features

The EPOCH 650 is a lightweight, portable flaw detector built to be rugged and flexible for nearly any inspection. Some key physical features include:

- Large, full VGA resolution transflective display for vivid clarity in any indoor lighting and direct sunlight conditions
- Rubber overmolded bumpers on all four corners for shock absorption and anti-marring considerations
- Four-point harness connection for chest straps
- “No tools” access to battery compartment and side I/O door
- Continuous position stand with right angle crook for improved stability from 0 to 180 degrees
- Gasketed side door for USB OTG connection and removable memory
- Standard internal, rechargeable lithium-ion battery
- Lightweight, ergonomic design for increased portability and ease of use


Instrument Inputs/OutputsUSB Ports USB On-The-Go (OTG)
 RS-232 Port Yes
 Video Output VGA output standard
 Analog Output 1 analog output (optional), Selectable 1 V/10 V Full Scale, 4mA max
 Alarm Output 3 alarm outputs, 5 V TTL, 10 mA
 Trigger I/O Trigger input, 5V TTL;
Trigger output, 5V TTL, 10 mA max
 Encoder Inputs 1-axis encoder line (quadrature - Corrosion Module mode only)
Environmental RatingsIP Rating

Designed to meet the standards of the Ingress Protection (IP) rating number IP67 (navigation pad version) or IP66 (knob version) per IEC 60529-2004 (Degrees of Protection provided by enclosures – IP Code).

The product design was confirmed to meet the IP rating by means of Olympus internal design verification test process that occurs prior to the release of the product to production.

 Explosive Atmosphere

Safe operation as defined by Class I, Division 2, Group D, as defined in the National Fire Protection Association Code (NFPA 70), Article 500, and tested using MIL-STD-810F, Method 511.4, Procedure I.

 Shock Tested

MIL-STD-810F, Method 516.5 Procedure I, 6 cycles each axis, 15g, 11 ms half sine.

 Vibration Tested

MIL-STD-810F, Method 514.5, Procedure I, Annex C, Figure 6, general exposure: 1 hour each axis

 Operating Temperature

–10 °C to 50 °C (14 °F to 122 °F)

 Battery Storage Temperature

0 °C to 50 °C (32 °F to 122 °F)

GeneralOverall dimensions (W x H x D) 236 mm x 167 mm x 70 mm (9.3 in. x 6.57 in. x 2.76 in.)
 Weight 1.6 kg (3.5 lb), including lithium-ion battery
 Keypad English, International, Japanese, Chinese
 Languages English, Spanish, French, German, Japanese, Chinese, Portuguese, Russian
 Transducer connections BNC or Number 1 LEMO
 Data storage 100,000 IDs onboard, removable 2 GB MicroSD card (standard)
 Battery type Single lithium-ion rechargeable standard
 Battery life 15 h to 16 h (lithium-ion)
 Power requirements AC Mains: 100 VAC to 120 VAC, 200 VAC to 240 VAC, 50 HZ to 60 Hz
 Display type Full VGA (640 x 480 pixels) transflective color LCD, 60 Hz update rate
 Display dimensions (W x H, Diag.) 117 mm x 89 mm, 146 mm (4.62 in. x 3.49 in., 5.76 in.)
PulserPulser Tunable Square Wave
 PRF 10 Hz to 2000 Hz in 10 Hz increments
 Energy settings 100 V, 200 V, 300 V or 400 V
 Pulse width Adjustable from 25 ns to 5,000 ns (0.1 MHz) with PerfectSquare™ technology
 Damping 50, 100, 200, 400 Ω
ReceiverGain 0 to 110 dB
 Maximum input signal 20 V p-p
 Receiver input impedance 400 Ω ± 5%
 Receiver bandwidth 0.2 MHz to 26.5 MHz at -3 dB
 Digital filter settings Thirty digital filter sets standard 
Seven EN12668-1:2010 compliant filters (0.2-10 MHz, 2.0-21.5 MHz, 8.0-26.5 MHz, 0.5-4 MHz, 0.2-1.2 MHz, 1.5-8.5 MHz, 5-15 MHz)
 Rectification Full-wave, Positive Half-wave, Negative Half-wave, RF
 System linearity Horizontal: ± 0.5% FSW
 Resolution 0.25% FSH, amplifier accuracy ± 1dB
 Reject 0 to 80% FSH with Visual Warning
 Amplitude measurement 0 to 110% full screen height with 0.25% resolution
 Measurement rate Equivalent to PRF in all modes
CalibrationAutomated calibration Velocity, Zero Offset
Straight Beam (First Backwall or Echo-to-Echo)
Angle Beam (Soundpath or Depth)
 Test modes Pulse Echo, Dual, or Through Transmission
 Units Millimeters, inches, or microseconds
 Range 3.36 mm to 13,388 mm (0.132 in. to 527.10 in.) @ 5,900 m/s (0.2320 in./μ)
 Velocity 635 m/s to 15240 m/s (0.0250 in./µs to 0.6000 in./µs)
 Zero offset 0 µs to 750 µs
 Display delay -59 mm to 13,401 mm (-2.320 in. to 526.97 in.) @ longitudinal velocity in steel
 Refracted angle 0° to 90° in 0.1° increments
GatesMeasurement gates 2 fully independent gates for amplitude and TOF measurements
 Gate start Variable over entire displayed range
 Gate width Variable from Gate Start to end of displayed range
 Gate height Variable from 2 to 95% full screen height
 Alarms Positive and Negative Threshold, Minimum Depth (Gate 1 and Gate 2)
MeasurementsMeasurement display locations 5 locations available (manual or auto selection)
 Gate (1, 2) Thickness, Soundpath, Projection, Depth, Amplitude, Time-Of-Flight, Min./Max. Depth, Min./Max. Amplitude
 Echo-to-Echo Standard Gate 2-Gate 1, Optional IF Gate Tracking
 Other measurements Overshoot (dB) value for DGS/AVG, ERS (equivalent reflector size) for DGS/AVG, AWS D1.1/D1.5 A, B, C and D values, Reject Value, Echo to RefdB values
 DAC/TCG Standard
 DAC points Up to 50 points, 110 dB dynamic range
 Special DAC modes Custom DAC (up to 6 curves), 20-80% View
 Curved surface correction Standard OD or Bar correction for Angle Beam measurements
 Corrosion (optional) Zero-cross measurement algorithm, V-Path correction, Single or Echo-to-Echo, Encoded B-scan

Package Includes:

- EPOCH 650 Digital ultrasonic flaw detector, AC or battery operation
- AM4R-8X9-70 probe
- CN4R-10 probe
- AM4R-8X9-45 probe
- AM4R-8X9-60 probe
- A550S-SM probe
- Charger/AC adapter (100 VAC, 115 VAC, 230 VAC, 50 Hz or 60 Hz)
- Rechargeable lithium-ion battery
- USB cable
- Quick reference card
- Comprehensive operation manual (CD)
- Transport case
- Warranty Card
- Calibration Certificate

Warranty Information

1 Year Warranty

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Product Reviews

  1. Best Product

    Posted by Kelly McCracken on 21st Sep 2022

    This type of flaw detector very good product.

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