EchoSafe® XP88-89 Ultrasonic Level Transmitter




FM approved for hazardous environments, the explosion proof ultrasonic level transmitter provides continuous level measurement up to 32.8' (10m) with a 4-20 mA signal output, and is configured via the integral push button display module. This non-contact liquid level sensor is ideally suited for corrosive, ultrapure, sticky or dirty liquids, and is widely selected for bulk storage, day tank, lift station and process tank level applications located in a classified area.



 Explosion proof level transmitter for use in hazardous areas

 Offered in 2 measurement ranges from 26.2' (8m) to 32.8? (10m)

 Configuration is simple via integral push button display module

 Type 4 aluminum XP windowed enclosure with dual conduit ports

 LCD display indicates level in inches, centimeters or percent of span

 Narrow 3" beam width for applications with limited measurement space

 Rugged PVDF transducer and process mounting plug for corrosive liquids

 Automatic temperature compensation for accurate measurement


Range: XP88: 8" to 26.2' (20cm to 8m)
XP89: 8" to 32.8' (20cm to 10m)
Accuracy: ± 0.2% of range
Resolution: 0.079" (2mm)
Dead band: 8" (20cm)
Beam width: 3" (7.6cm)
Configuration: Push button
Memory: Non-volatile
Display type: LCD, 6-digit
Display units: Inch, cm, percent, feet or meter
Supply voltage: 18-28 VDC (loop)
Loop resist.: 250 Ohms max @ 24 VDC
Signal output: 4-20 mA, two-wire
Signal invert: 4-20 mA or 20-4 mA
Signal fail-safe: 4 mA, 20mA, 21 mA, 22 mA
or hold last
Process temp.: F: -4° to 140°
C: -20° to 60°
Temp. comp.: Automatic
Ambient temp.: F: -4° to 140°
C: -20° to 60°
Pressure: MWP = 30 psi (2 bar)
Enclosure rating: Type 4
Encl. material: Aluminum
Window material: Glass
Conduit entrance: Dual, 1/2" NPT
Trans. material: PVDF
Process mount: 2" NPT
Mount gasket: Viton®
Classification: Explosion proof
Compliance: CE, RoHS
Approvals: FM: Class I, Div I
Groups A, B, C, D
Class II/III, Div I,
Groups E, F, G


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