J ADEVER SCALE CO., LTD
JWI-700W 1
1. Introduction
This manual contains installation and operation instructions for the JWI-700W Series
weighing indicator. Please read the manual completely before installation and operation.
2. Precautions
◎ Place the indicator on a flat and stable surface .
◎ Verify that the input voltage and the plug type matches the local AC power supply, see
3-4.
◎ Warn up for 15 minutes before using it the first time .
◎ Keep the scale away from EMI noise, strong wind and vibration, which might cause
incorrect reading.
◎ Avoid sudden temperature changes (suitable operating temperature is between -5℃~
40℃.)
◎ Disconnect the power supply when cleaning the scale .
◎ Do not immerse the scale in water or other liquids .
◎ Service should be performed by authorized personnel only.
3. Product Introduction
3-1 Specifications & Features
Specifications
Model JWI-700W
Input sensitivity 0.13uV/DIV
Input voltage range -0.5mV to 16.5mV
Load cell excitation DC 5V ,Up to 8 ×350 ohm load cells
System linearity 0.003% of full capacity
Input impedance 10M ohm or more
A/D conversion mode △-Σ
A/D internal resolution 700,000 count
A/D conversion speed 8 times/second
External display resolution 15,000 count
Display 6 digits
Power supply AC 110V/220V (AC±10%) or Rechargeable battery（6V/4A）
Features
◎ Backlit LCD display with prominent 29mm high digits
◎ Up to 1/30000 resolution
◎ Supports up to eight 350 ohm analog load cells
◎ Gross or net weight switchable
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