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TANK LEVEL ALARM
INTRINSICALLY SAFE ALARM BOX

INTRINSICALLY SAFE TANK LEVEL ALARM alerts if liquid level is high or low with a loud beep. Easy to install with many different mounting adapters. Easy to adjust the depth with no tools. Stop overfilled or empty tanks for good!

Better Level Control

  • Always on duty because it battery power is uninterruptible.
     
  • Lithium batteriy included lasts for years.
  • Loud buzzer is 103dB @ 2 ft.
  • Rugged. Built for rough, wet and corrosive environments. IP65 (NEMA 4X)
  • Bright flashing LED.
  • Low battery alert.
  • Optional relay output.
  • Silencing/test button.
  • Class 1, Div. 1. groups A and/or B. 60079-0 and 60079-11.
     

MODEL AB-1S

EASY TO INSTALL. The liquid-tight 2" NPT tank mount is adjustable by hand. Simply loosen the nut and slide the alarm to the depth you want. Welded stainless tank plugs are available as an option. (depth on these is not adjustable however) Other thread sizes are available.

Battery Power is uninterruptible and allows installation anywhere. No outlets, electricans, or inspectors needed. Lithium batteries are included and have a shelf life of 20 years. A 2400mA-hr capacity combined with smart software allows these to sound for 25 days straight! In typical situations the batteries will last for many years. When the batteries do run low, a unique low-battery signal is given. (different from the level alarm signals) Batteries are user-replaceable.

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Operation When there is a high or low level condition, the buzzer sounds and the beacon LED will flash to alert the user. In the default mode, the user presses the button to silence the buzzer, and the LED continues to flash as a reminder. The 103dB buzzer has a unique warbling sound cuts through factory noise so it will be heard.

Different behaviors are field-selectable. Choose from 30-minute snooze alarm, tank filling mode (where it shuts off LED and buzzer until the next fillup) relay output, delayed relay output, latching alarm, test button.

Harsh Weather rated temperature range is +60ºC to -40º C. [140ºF to -40ºF]

For use with Float switches or other reed switches.

Optional Relay Output for connection to safe areas. through an I.S. barrier.

Certifications
CSA Certified to UL 913, 8th edition, UL 60079-0, UL 60079-11, CAN/CSA 60079-0, CAN/CSA 60079-11

QUICK SPECIFICATIONS

GENERAL

  • Enclosure material.............. .......PVC
  • Buzzer volume...........................100dB @ 2ft.
  • Battery capacity..........................2400 0mA-hr
     
  • Operating temp.......................... -40 to 60ºC (-76-140ºF)
  • Ingress protection. .................... IP65

INSTRUCTIONS
BROCHURE
CONTROL DRAWING

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ORDER AB-IS

Length
Notes

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Relay Output
P1040472

ENLARGE

Questions?

Phone 585-301-0970
email: peter@drumalarm.com

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Engineering RedBall1 Gizmo INSTRUCTIONS BROCHURE CONTROL DRAWING