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SITRANS LUT400 seriesMode of Operation | Ultrasonic level, volume, pump, and open channel flow | Measuring range | 0.3 … 60 m (1 … 196 ft), transducer dependent | Input | | Discrete | 0 ... 50 V DC switching level
Logical 0 ? 10 V DC
Logical 1 = 10 ... 50 V DC
Max. 3 mA | Output | | Transducer frequency | 10 ... 52 kHz | Ultrasonic transducer | Compatible transducers: All EchoMax and ST-H series transducers | Relays | - 1 SPDT Form C, NO or NC relay, rated 1A at 250 V AC, non-inductive and 3A at 30 V DC
- 2 SPST Form A, NO relays, rated 5A at 250 V AC, non-inductive and 3 A at 30 V DC
| mA output | 4 … 20 mA, isolated | Max. load | 600 ? max. in ACTIVE mode,
750 ? max. in PASSIVE mode | Resolution | 0.1 % of range | Accuracy | | Error in measurement | - Standard operation: ± 1 mm (0.04 inch) plus 0.17 % of measured distance
- High accuracy OCM: ± 1 mm (0.04 inch), within 3 m (9.84 ft) range
| Resolution | - Standard operation: 0.1 % of range or 2 mm (0.08 inch), whichever is greater
- High accuracy OCM: 0.6 mm (0.02 inch), within 3 m (9.84 ft) range
| Temperature compensation | - -40 ... +150 °C (-40 ... +300 °F)
- Integral temperature sensor in transducer
- External TS-3 temperature sensor (optional)
- Programmable fixed temperature values
| Rated operating conditions | | Installation conditions | | | Indoor/outdoor | | II | | 4 | Ambient conditions | | - Ambient temperature (enclosure)
| -20 … +50 °C (-4 … +122 °F) | Design | | Weight | | - Enclosure with display lid
| 1.3 kg (2.87 lb) | | 1.2 kg (2.65 lb) | Material (enclosure) | Polycarbonate | Degree of protection | | - Enclosure with display or blank lid
| IP65/Type 4X/NEMA 4X | - Enclosure with blank lid and knock-out removed
| IP20 | Remote display lid | IP65/Type 3/NEMA 3 | Cable | | Transducer and mA output signal | - Transducer, mA output:
2 copper conductors, twisted,
with foil shield/drain wire, 300 V
0.5 … 0.75 mm? (22 … 18 AWG) - Relay/power to be copper
conductors per local
requirements to meet 250 V
5 A contact rating
| Max. separation between
transducer and transceiver | 365 m (1 200 ft) | Displays and controls | 60 x 40 mm (2.36 x 1.57 inch) removable
LCD, 240 x 160 pixels resolution,
operational up to 5 m from
enclosure base | Programming | | | 4 Local push buttons | | - PC running SIMATIC PDM
- PC running Emerson AMS Device
Manager - PC running a web browser
- PC running a Field Device Tool
(FDT) - Field Communicator 375/475
(FC375/FC475)
| Memory | - 512 kB flash EPROM
- 1.5 MB flash for data logging
| Power supply | | AC version | 100 ... 230 V AC ± 15 %,
50/60 Hz, 36 VA
Fuse: 5 x 20 mm, Slow Blow,
0.25 A, 250 V | DC version | 10 … 32 V DC, 10 W
Fuse: 5 x 20 mm, Slow Blow,
1.6 A, 125 V | Certificates and approvals | | General | CSAUS/C, CE, FM, UL listed, RCM, MCERTS certified for Open Channel Flow | Hazardous | | | CSA Class I, Div. 2, Groups A, B,
C, D; Class II, Div. 2, Groups F, G;
Class III | | Lloyd's Register, ABS | Communication | HART 7.0, USB |
| | | SITRANS LUT420 | SITRANS LUT430 | SITRANS LUT440 |
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Category | Feature | Level Controller | Level, pump and flow controller | High accuracy OCM controller |
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Operations | Level, space, and distance measurement | ? | ?
| ? | | Open channel flow measurement | | ? | ? | | Volume conversion | ? | ? | ? | Specifications | Compatible with EchoMax and ST-H transducers | ?
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| | Standard accuracy: ± 1 mm + 0.17 % of measured distance | ?
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| | High accuracy: ± 1 mm within 3 meters | | | ?
| | Mounting options: wall or panel, pipe, DIN-rail | ?
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| Data logging and communications | HART communications | ? | ? | ? | | 4 ... 20 mA output (active and passive) | ?
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| | Integrated datalogger for measurement value and alarms | ?
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| | Integrated datalogger for fixed rate flow logging | | ?
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| | Integrated datalogger for variable rate flow logging triggered by changes in flow condition | | | ?
| | Daily data logging for maximum, minimum and average flow, daily totalized volume, and minimum and maximum temperature | | ? | ?
| Flow monitoring | High accuracy open channel flow measurement | | | ?
| | 9 digit daily and running flow totalizers | | ?
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| | High and low flowrate alarms | | ? | ? | | External totalizer and sampler control | | ?
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| | | MCERTS Class 1 Certification | | | ? | | | MCERTS Class 2 Certification | | ? | | Pump control | Energy saving algorithms for pump control | | ?
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| | Wall cling reduction | ? | ? | ? | | Pump run-on functionality | | ? | ? | | Pump start and power resumption delays | | ?
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| | Alternate duty pump routines | ? | ? | ? | | Fixed duty and service ratio pump routines | | ?
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| | Pumped volume totalizer | | ? | ? | | Submergence detection | ? | ? | ? | | Discrete input pump interlocks | | ? | ? | | Time to spill calculation | | ? | ? |
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