Tank Monitors & Gauges

DEF Sentry: Alarm Sentry Wall Mounted Tank Alarms with DEF JARHEAD Tank Gauges.

  • Tank gauge constructed from materials 100% compatible with Diesel Exhaust Fluid (DEF).
  • Wall mount tank alarm can be installed up to 350 feet from tank.
  • Built-in 103 decibel siren.
  • Tank alarm includes a push button test switch.
  • Toggle switch to silence the siren.
  • Available with battery or with optional 12-volt transformer.
  • DEF Jarhead sightglass tank gauge indicates fluid level in fractions: empty – ¼ – ½ – ¾ – full.
  • Available in custom lengths from 12″ – 120″ (457.2 – 3048 mm).
  • Durable silk screen painted scales.
  • Visi-Glo® level indicator clearly displayed in the large glass window.
  • Easy to use, adjustable sensor for high or low alarm.
Construction
Body Tank Alarm – Weather resistant ABS
Tank Gauge – Large glass housing
Rods Stainless steel
Fasteners Stainless steel
Connectors Acetal
Linkage Acetal
Float DEF Compatible Anodized Aluminum
Seals Fluorocarbon
Connections Tank Alarm – ½” Romex Connector
Tank Gauge – 2″ / 50.8 mm NPS threads

Click image to view product numbers and specs:

Designed To Fit Husky DEF Sentry Alarm:

Model No. Description
008673 DEF Remote Jarhead Sensor

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Model No. Description Shipping Weight Lbs (Kg)
New Monitors and Alarms
008677 Audible tank alarm, battery operated, with sightglass tank gauge with fractional indicators for 12″ – 120″ tank depth with 2″ NPS connection 5.5 (2.5)
008664 Audible tank alarm, with 12-volt transformer and sightglass tank gauge with fractional indicators for 12″ – 120″ tank depth with 2″ NPS connection 6.5 (2.9)
Construction
Body Tank Alarm – Weather resistant ABS
Tank Gauge – Large glass housing
Rods Stainless steel
Fasteners Stainless steel
Connectors Acetal
Linkage Acetal
Float DEF Compatible Anodized Aluminum
Seals Fluorocarbon
Connections Tank Alarm – ½” Romex Connector
Tank Gauge – 2″ / 50.8 mm NPS threads