System Design
| Measurement Principle | Guided time-of-flight via time domain reflectometry |
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Input
| Measurement Variable | Level, determined by the time-of-flight of a guided radar pulse from transmitter to product surface and back |
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| Zero and Span | 6 inches to 75 feet ( 15 to 2286 cm) |
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User Interface
| Keypad | 3-button menu-driven data entry and system security |
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| Indication | 2-line x 8-character display |
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| Digital Communication | HART, Fieldbus |
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| Minimum Operating Voltage | 9 VDC |
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| Quiescent Current Draw | 15 mA |
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| DEV Revision | 0X01 |
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| Function Blocks | Al_1, Al_2, Al_3, Al_4 |
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| Damping | Adjustable 0-10 seconds |
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Power
(Measured at instrument terminals)
| General Purpose / Explosion Proof | 9 to 32 VDC ( 15 mA maximum current draw) |
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| IS/FISCO/FNICO | 9 to 32 VDC ( 15 mA maximum current draw) |
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Housing
| Material | Aluminum A356T6 (<0.20% copper), optional 316 SST |
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| Cable Entry | ¾” NPT and M20 |
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Environment
| Operating Temperature | -196 to +842°F (-320 to +450°C) Model Dependent |
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| Pressure | Vacuum -14.5 to 5,800psi (Vacuum -1 to +400bar) Model Dependent |
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| Display Function Operating Temperature | -5 to +160°F (-20 to +70°C) |
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| Storage Temperature | -50 to +175°F (-40 to +80°C) |
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| Humidity | 0-99%, non-condensing |
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| Electromagnetic Compatibility | Meets CE Requirements: EN 50081-2, EN 50082-2 |
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| Shock Class | ANSI/ISA-S71.03 Class SA1 |
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| Vibration Class | ANSI/ISA0S71.03 Class VC2 |
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| Reference Conditions | Reflection from water +70°F (+20°C) with 72” coaxial probe (CFD threshold) |
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| Linearity | Coaxial/Twin Rod Probes: | <0.1% of probe length or 0.1 inch (whichever is greater) |
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| Single Rod Probes: | <0.3% of probe length or 0.3 inch (whichever is greater) |
| Measured Error | Coaxial/Twin Rod Probes: | ±0.1% of probe length or 0.1 inch (whichever is greater) |
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| Single Rod Probes: | ±0.5% of probe length or 0.5 inch (whichever is greater) |
| Resolution | ±0.1 inch |
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| Repeatability | <0.1 Inch |
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| Hysteresis | <0.1 Inch |
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| Response Time | <1 second |
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| Warm-up Time | <5 seconds |
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| Operating Temp. Range | -40° to +175°F (-40° to +80°C) |
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| LCD Temp. Range | -5° to +160°F (-20° to +70°C) |
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| Ambient Temp. Effect | Approximately +0.02% of probe length/ °C |
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| Process Dielectric Effect | <0.3 inch within select range |
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| Humidity | 0-99%, non-condensing |
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| Electromagnetic Compatibility | Meets CE Requirements (EN-61000-6-2/2001, 61000-6-4/2001) |
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