The explosion proof loop powered level indicator displays engineering units connected in series with one 4-20 mA continuous level transmitter. Select this level indicator for hazardous applications with an explosion proof level sensor. The windowed field enclosure is easily wall mounted and includes two conduit connectors.


  • Rugged aluminum explosion proof windowed enclosure
  • LCD display indicates engineering units and descriptors
  • Non-volatile memory with security password lock out
  • SafeTouch through-glass button programming
  • 32-point, square root or exponential linearization


P/N Description From
300500 Explosion proof indicator Contact Factory


Sensors and PodView indirectly, are configurable via our free WebCal PC software and one Fob USB adapter. Sensors are offered with and without Fobs. Fobs are universal and can be used to configure any WebCal compatible product. Download your free copy of WebCal in English or Chinese.



Display type: LCD, Upper: 5 digits, Lower: 7 characters

Display units: Engineering

Display output: 0.001 to 99,999

Display height: Main: 0.70” (18mm), Secondary: 0.4” (10mm)

Decimal point: 0, 1, 2 or 3

Configuration: Push button, SafeTouch through-glass

Memory: Non-volatile

Sensor input: (1) 4-20 mA transmitter

Loop power: 9-30 VDC

Voltage drop: 3.0 VDC @ 20 mA w/o backlight, 6.0 VDC @ 20 mA with backlight

Ambient temp.: F: -40° to 167°, C: -40° to 75°

Enclosure rating: NEMA 4X, 7 & 9 (IP68)

Enclosure mat’l.: Aluminum

Window mat’l.: Glass

Conduit entrance: Dual, 3/4” NPT

Classification: Explosion proof

Compliance: CE

Approvals: FM, ATEX, IECEx, CSA


If you want help in selecting a sensor for your application, please submit a Level Questionnaire. An engineer will review your requirements and suggest a product solution via email.