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Laumas W100 Weight Indicator

LKIA00088

Laumas W100 Weight Indicator
lahiru Dhananjaya

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Laumas W100 Weight Indicator

Laumas W100 Weight Indicator

The Laumas W100 Weight Indicator is engineered to deliver accurate and stable weight measurements in various industrial settings. It combines advanced technology with robust construction, making it an ideal choice for applications requiring precision and durability.

Specification

Model Name/Number: Laumas W100 / Made in Italy
Brand: Laumas
Power supply and consumption: (VDC) 12/24 VDC +-10%; 5 W
No Of Load Cells In Parallel and Supply: max 8 (350 ohm); 5 VDC / 120 mA
Linearity / Analog Output: Linearity < 0.01% F.S.; < 0.01% F.S.
Thermal Drift / Analog Output: Thermal Drift < 0.0005% F.S./ Degree C; < 0.003% F.S./Degree C
A/D Converter: 24-bit (16000000 points)
Max Divisions:+-999999
Measurement Range: +-39 mV
Max Sensitivity Of Usable Load Cells: +-7 mV/V
Max Conversions: Per Second 300 conversions/per second
Display range: +-999999
No. Of Decimals / Display Increments: 0/4 / x 1 x 2 x 5 x 10 x 20 x 50 x 100
Digital Filter / Readings: Per Second 10 levels / 5/300 Hz
Digital Inputs: N. 3 – optoisolated 5 – 24 VDC PNP
Serial Ports: RS485, RS232
Baud Rate: 2400, 4800, 9600, 19200, 38400, 115200
Humidity (non condensing): 85%
Storage Temperature: -30 Degrees C +80 Degrees C
Working Temperature: -20 Degrees C +60 Degrees C
Optoisolated Analog Output: 0/20 mA; 4/20 mA (max 300 ohm); 0/10 V; 0/5 V; +-10 V; +-5 V (min 10 kohm)
Relay Outputs: N. 5 – max 30 VAC, 60 VDC; 150 mA

Load cell resistance measurement (use a digital multimeter):

  • Disconnect the load cells from the instrument and check that no moisture in the cell junction box is caused by condensation or water infiltration. If so, drain the system or replace it if necessary.
  • The value between the positive and negative signals must be equal or similar to the one indicated in the load cell data sheet (output resistance).
  • The value between the positive and negative excitation wires must be equal or similar to the one indicated in the load cell data sheet (input resistance).
  • The insulation value between the shield and any other cell wire and between any other cell wire and the body of the load cell must be higher than 20 Mohm.

Load cell voltage measurement (use a digital multimeter):

  • Take out the load cell to be tested from underneath the container, or lift the container support.
  • Make sure that the excitation of two wires of the load cell connected to the instrument (or amplifier) is 5 VDC ±3%.
  • Measure the response signal between the positive and the negative signal wires by directly connecting them to the tester, and make sure that it is comprised between 0 and 0.5 mV.
  • Apply load to the cell and make sure that there is a signal increment.

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Laumas W100 Weight Indicator
lahiru Dhananjaya

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