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Research Lab & Healthcare Signs

RT Technologies provides a complete portfolio of Reseach and Healhcare signs. We offer contemporary LED signs (low profile LED and large display LED) and traditional illuminated laser warning signs for all applications, including laser interlock signs. Custom wording for the display is available on all warning sign displays, and both single-aspect signs and double or dual aspect signs are available.

Extra low profile, low voltage (24V DC), low energy warning signs ideal for use in laboratories or hospitals or healthcare facilities. These relatively compact signs can be mounted at eye-height next to the door.

Lab warning signs / hospital warning signs include:
Room in use sign
Laser warning sign
Laboratory in use sign
Occupied sign
Do not enter sign
Xray warning sign
Radiation warning sign
Biohazard warning sign
Magnetic Field warning sign
Ion Beam warning sign

Green Laboratory Available Sign – Part Number:  LEDS-LIU-2WY
Red Room In Use sign – Part Number:  LEDS-RIU-2W
Red Laboratory In Use Sign – Part Number:  LEDS-LIU-2W
Amber Do Not Enter Sign – Part Number:  LEDS-DNE-1WY


State of the art LED technology in a highly aesthetic design, these slimline signs can be mounted at any height without causing obstruction or hazard. Custom legends and colors can be provided to suit your application.

Signs include:
Danger X-ray sign
Access Prohibited sign
Do not enter sign
Laser warning sign

Green No Hazard X-Rays Off – Part Number:  LEDS-ULT-470-XR-2W
Red Danger X-rays on – Part Number:  LEDS-ULT-470-XR-2W
Red Do Not Enter Part Number:  LEDS-ULT-470-DNE-R
Yellow Access Prohibited – LEDS-ULT-790-AP-Y


Slim Jim is the then profile backlit LED sign.  Measuring 0.4" (11mm) thick

Signs include:
Laser Radiation
X-Ray Radiation
Do No Enter

Red X-Ray Radiation – Part Number: LEDS-SJ-110-R-XR
Red Laser Radiation – Part Number:  LEDS-SJ-110-R-LR


These signs are 68 mm deep and come in single, double or triple aspect varieties. The double and triple aspect warning signs have a black panel and are semi-secret when off. All signs are based on the the latest fluorescent low energy bulb technology.

Signs include:

2 message Red/Yellow sign – Part Number:  2-way-sign-lp-110
Danger Laser Radiation Sign – Part Number:  1-way-sign-lp-110


Please contact us with any questions or if you require a quote. We look forward to working with you!

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