Everything Leaks…

The SDT TIGHTChecker is an ultrasound solution designed to verify the tightness of closed volumes.

Focused

Tightness integrity is an issue that plagues every industry. SDT TIGHTChecker is an ultrasound solution focused on pinpointing leaks in any volume. Cars, trains, airplanes, buildings, cleanrooms… TIGHTChecker checks them all.
Simple

TIGHTChecker is so easy to use. Simply open the box, position the T-SONIC1, seal the volume and listen for leaks. TIGHTChecker’s crystal-clear sound and vibrant color display pinpoints even the smallest leaks.
Affordable

With so many things to test, TIGHT Checker is in high demand. It’s low entry cost, versatility, and SDT quality make it the most affordable solution for testing everything that leaks. And everything leaks.

SDT TIGHTChecker Receiver

Battery Alkaline 1,5V AA, 2 Pack

FLEX2 Flexible Airborne Sensor, 16mm Tip, w/o Cable

Cable For Sensor, Lemo to Lemo, Coiled

Rubber Tip

T-Sonic1 Ultrasound Transmitter

Battery Alkaline 1,5V AA, 2 Pack

Headphones, Neckband

USB Cable

Screwdriver For Battery Cover

TIGHTChecker Carrying Case, Red Latches

*FREE ground shipping in the continental US.

Brand	SDT

General
Function	Ultrasound measurement device
Display	160×128 pixel Color OLED
Keyboard	5 function keys
Typical measurement range	-6 to 99.9 dBμV (reference 0 dB = 1 μV)
Resolution	0.1 digits
Measurement bandwidth	35 to 42 kHz
Signal amplification	+30 (built-in sensor gain) dB to +102 dB by step of 6 dB
RMS period time	250 milliseconds (main screen) / 3 sec (bar graph)
Sampling frequency	64 kHz
ADC Resolution	12 bit
Minimum sensitivity	-31dB (@40 kHz, 0 dB-1 V/µbar)
Environmental
Operating temperature range	-10 to +50 °C \|14 to 122°F
IP rating	IP42
Standards	EN 61326-1:2013, EN 55011:2016 + A1:2017, EN 61000-4-2:2009, EN 61000-4-3:2006 + A1:2008 + IS1:2009 +A2:2010
Mechanical
Housing material	ABS
Dimensions housing	158 x 59 x 38,5 mm \|6.22” x 2.32” x 1.51”
Flexible rod length (Removable sensor)	445 mm \|17.51”
Weight	350g \| 12.35 oz
Battery/Utility connector	USB Mini-B 5-pin
Power
Battery	2 AA batteries
Autonomy	7 hours
Audio
Operable with	SDT provided head set only
Maximum audio output (protection)	+83dB SPL with SDT headset
Headset	25dB NRR Peltor HQ headset
Other
Warranty	Lifetime