Features:

Testo 316-4 Set #2 the fast and reliable leakage detector for ammonia.  The sensor alerts you to malfunctions or contamination.  Save time usually wasted taking sample leak tests.  If the sensor is dirty, it can be electronically cleanedthen is immediately ready for use.  When a leak is detected the display changes from green to red and provides an audible  alarm.

• Very long sensor life
• Optical and audible alarm
• Permanent sensor check
• Easy sensor change by the user
• Earplug socket for secure localization of leakages in loud surroundings
• Maximum indicator shows maximum leakages

• Includes 316-4 Leak Detector, case, charger unit, earplug and sensor head-NH₃