| Size |
9.25 x 7.13 x 4.0 in (235 x 181 x 102mm) |
| Weight |
7.5lbs. (3,4Kgs) with Li-Ion cells. |
| Case |
Extruded Aluminum. |
| Display |
transflective TFT Color. Display area: 4.39” x 3.29” (111.4 x 83.5mm) 320 x 240 pixels. A-Scan area: 255 x 200 pixels (315 x 200 expanded), 8 color options and variable brightness. |
| Temperature |
Operating –10 to +55°C or 14 to 131°F –20 to +70°C or –4 to 158°F (survivable) Storage –40 to +75°C or –40 to 167°F |
| Environmental |
Meets IP65 requirements. |
| Units |
English (in), Metric (mm), or Time (µs). |
| Probe Zero |
0–999.999 µs. |
| Velocity |
615 & 625 0.0393 to 0.3937 in/µs (1000–9999m/s). 635 & 638 0.0100 in/µs (256 to 16000 m/s. |
| Test Range |
615 & 625 0 - 0.2in (5mm) up to 0 - 400in (10,000mm) at steel velocity. Variable in sequence, 0.4in or 0.04in (10mm or 1mm). 635 & 638 0 - 0.05in (1mm) up to 0 - 800in (20,000mm) at steel velocity. Variable in 1, 2, 5 sequence or continuously in 0.05in (1mm) increments. Also from 1 to 5000(µs). |
| Test Modes |
Pulse-echo and transmit/receive. |
| Gates |
615 & 625 Start & Width adjustable over full range. Amplitude 0 -100%, 0.5% steps. Visual & audible alarms. Single gate positive trigger, and two gates positive and negative triggering. Gate 2 has selectable 0.6 second delay on alarm. 635 & 638 Two fully independent gates with positive and negative triggering for each gate. |
| Gate Expansion |
635 & 638 Expands range to width of Gate 1. |
| Gate Monitor Delay |
635 & 638 Selectable 0.6 sec delay on gate 2 negative monitor. |
| Measurement Modes |
|
| Signal Monitor |
635 & 638. |
| Depth |
Depth and amplitude of signal in gate |
| Echo Echo |
Echo-Echo distance, automatic gate 2 position. |
| Gate to Gate |
625 Echo-Echo , manual gate 2 position. 635 & 638 independent gates. |
| Trig |
Trigonometric display of beam path, depth and surface distance. Calculation of skip depth and curve surface compensation, X-offset for transducer. |
| T-Min |
Holds minimum thickness in depth mode. |
| System Linearity |
Vertical = 1% Full Screen Height (FSH) Amplifier Accuracy ±0.1%dB. Horizontal ±0.4% Full Screen Width (FSW). |
| Pulser Voltage |
615 & 625 200 volt peak amplitude, rise/fall time < 10ns into 50ohm. 635 & 638 100V - 350V (450V 638 ) square wave pulser. Pulse width from spike to 2000ns duration - rise/fall times < 5ns into 50 ohms. |
| Pulser Width |
615 fixed at 100ns. 625 30-250ns linked to filter band. 635 & 638 Adjustable in 2% of nominal width, minimum 1ns maximum 40ns. |
| ActiveEdge |
Unique active pulse control for enhanced near surface resolution and signal response. Replaces traditional damping control. |
| P.R.F. |
615 fixed at 100ns. 625 30-250ns linked to filter band. 635 & 638 Adjustable in 2% of nominal width, minimum 1ns maximum 40ns. |
| Screen Update Rate |
50 or 60Hz |
| Rectification |
Full wave, positive or negative half wave and unrectified RF. |
| Delay |
615 & 625 0 - 400 in (10,000mm) 635 & 638 0 - 800in (20,000mm) at steel velocity in 0.02 steps (0.05mm). |
| Gain |
0 to 110dB. Adjustable in 0.5, 2, 6, 14 and 20dB steps |
| Frequency Bands |
615 4Broadband 1 - 10 MHz (-6dB). 625 4 Narrow Bands centered at 1MHz, 2MHz, 5MHz, & broadband 1.5–15MHz. 635 & 638 6 narrow bands centered at 0.5, 1, 2.25, 5, 10 & 15 MHz. Broad band at 2 to 22 MHz (-6dB) and 1 to 35 MHz (-20dB). |
| Vertical Linearity |
1% full screen height. |
| Amplifier Linearity |
+/- 0.1 dB. |
| Horizontal Linearity |
+/- 0.4% full screen width (FSW). |
| Reject |
615 & 625 50% suppressive reject. LED warning when selected. 635 & 638 80% linear reject. |
| Thickness Logging |
Storage for 8000 readings stored in Block/Location/Number coding or alpha-numeric pre-programmed work sheets. Transferable to Excel using optional PC software. |
| Panel Memory |
100 storage locations for calibration settings. |
| A-Scan Memory |
800 waveforms. |
| Wave Smoothing |
Produces a smooth signal envelope. |
| AGC |
Automatic Gain Control sets selected echo to a user defined level (10 - 90%). |
| DAC |
Up to 10 points may be entered and used to digitally draw a DAC curve. Reference -2, -6, -10, -12, -14 dB curves can be selected for JIS, ASME and EN1714 codes. |
| AWS |
Automatic defect sizing in accordance with AWS D1.1 Structural Welding Code |
| API |
Automatic defect sizing in accordance with API 5UE. |
| AVG/DGS |
Automatic defect sizing using probe data. 10 probe data sets can be stored. |
| TCG |
625, 635 & 638 Time corrected gain. 40 dB dynamic range, 30 dB per microsecond, up to 10 points for curve definition. |
| Auto-Cal |
Provides Automatic calibration with two echoes. |
| Reference Waveform |
Recalled waveform can be shown in a different color to live waveform for direct comparision. |
| Display Freeze |
Hold current waveform on screen. |
| Peak Memory |
For echodynamic pattern determination. |
| Online Help |
Instant operator guidance on operation accessed from direct key. |
| Language Support |
Six user selectable languages from: English, German, French, Spanish, Dutch, Italian, Russian, Polish, Czech, Finnish & Hungarian. Others available on request. |
| Battery |
Lithium Ion battery pack 14.4V, 5.0 Amp hrs. Minimum 11 hours use, typical 15 hours, indication of battery charge. Recharge time 4 hours. |
| Charger |
100 - 240 VAC, 50 - 60Hz. |
| USB Connection |
For connection to PC, keyboard and printer. |
| Outputs |
Serial Interface, composite video (NTSC & PAL), analog output for amplitude and distance updated at PRF rate. Transmitter sync output. |
| Transducer Connectors |
available with BNC or LEMO 1 connectors (factory option). |
| Warranty |
2 year limited |
| Additional 638 Features |
|
| Interface trigger |
Interface gate locks to surface echo and eliminates water path variation. |
| High Power Pulser |
450 volt boost. |
Features
Photo Gallery
Transflective Color TFT Display
Downloads
