The general purpose, battery powered drum alarm provides reliable liquid level monitoring of 55-gallon drums. The stainless steel float assembly is available in three configurations including high alarm, low alarm or high and low level alarm. In the event of an alarm condition, the battery powered LED will actuate to alert the user. Select the compact alarm which is mounted on the float stem, or the remote alarm which is separated from the float stem with a 72” (1.82m) cable.


  • Portable, 9V battery powered LED alarm with test switch
  • Single or two-point alarm for 55, 30 and 20 gallon drums
  • Rugged 316 stainless steel float, stem and mounting plug
  • NEMA 4 enclosure available in compact and remote types


P/N Description From
AV17-S101 Compact, high alarm $480.00
AV17-S201 Compact, low alarm $480.00
AV17-S301 Compact, high & low alarms $550.00



Orientation: Vertical

Alarm: LED alarm standard

Supply voltage: 9 volt battery

LED indication: High / low alarm

Process temp.: F: -40° to 302°, C: -40° to 150°

Pressure: 250 psi (17.23 bar)

Float material: 316 Stainless steel

Stem/fitting mat: 316 Stainless steel

Grip rings: P-15-7 Mo SS

Float SG: 0.73 (+/- 0.02)

Contact rating: 30 watts SPST, 240 VAC (0.14A resistive), 120 VAC (0.28A resistive), 120 VDC (0.07A resistive), 24 VDC (0.28A resistive)

Wire type: 2 or 4 conductor, #22 AWG (-S401, -S501, -S601 only)

Wire length: 6’ (1.82m) (-S401, -S501, -S601 only)

Wire jacket mat.: Halar jacketed (-S401, -S501, -S601 only)

Process mount: 3/4” NPT

Enclosure rating: NEMA 4

Enclosure mat.: Polycarbonate

Classification: General purpose

Compliance: CE, RoHS

Approvals: UL