Pulsar Measurement

IMP I.S. ATEX Level Sensor

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IMP+ I.S. is part of the Pulsar Measurement IMP family, a combined transducer and controller range in one self-contained unit. The IMP+ I.S. unit is certified to ATEX standard EEx ia IIC T4 and IECEx and available with the wetted parts in PVDF, making it ideal for measuring in corrosive or aggressive applications or anywhere where you need an accurate and reliable level measurement. The IMP+ I.S. benefits from our specially designed digital echo processing technique. The IMP+ I.S. is available in three sizes from 3 m to 10 m (9.8 ft to 32.8 ft). With the benefit of the onboard LCD display and keypad, the IMP+ I.S. is straight forward to set up using the menu led programming.

• Compact and self-contained level measurement
• Simple menu led setup
• High power and narrow beam angles
• High specification ATEX
• Up to 10 m (32.8 ft) range available

General Specifications
Dimensions186 mm H x 133 mm D (7.3 in H x 5.2 in D)
Cable Entry2 x cable glands 4.5 mm to 10 mm (0.2 in to 0.4 in) (Torque to 2 NM)
MountingIMP3 - 3 m (9.8 ft) version: 1.5 in BSP/NPT
IMP 6 - 6 m (19.7 ft) version: 1.5 in BSP/NPT
IMP10 - 10 m (32.8 ft) version: 2 in BSP/NPT
Suits BSP & NPT, parallel and tapered
WeightNominal 1 kg (2.2 lb)
Enclosure ProtectionIP67
Temperature (Ambient)-40 °C to +6 5 °C (-40 °F to +149 °F)
Temperature (Process)-40 °C to +80 °C (-40 °F to +176 °F)
Input Voltage Range11-30 V, 3.5-22mA
Accuracy±0.25% or 6 mm (0.2 in); whichever is greater
Resolution±0.1% or 2 mm (0.1 in); whichever is greater
4-20mA OutputsResolution 5 μA (both active and passive outputs)
Temperature CompensationVia internal temperature sensor (0.5 °C (± 32.9 °F) accuracy). Level and volume conversion are installed allowing linearisation for tank shapes.
PC InterfaceAll parameters can be accessed and changed through PC Suite software. Echo traces may be viewed on-screen.