Salter Brecknell 405 User Instructions

Salter Brecknell 405 User Instructions

Salter brecknell weighing scale user instructions
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Model 405 Weighing Scale
User Instructions
1.0

General Information

Thank you for purchasing the Model 405 scale. Please read all operating
instructions carefully before using and note the following points:
Avoid lengthy exposure to extreme heat or cold. The scale works
best when operated at normal room temperature. Always allow the
scale to acclimate to a normal room temperature before use.
Allow sufficient warm up time. Turn the scale on and wait a few
minutes to allow the internal components to stabilize before
calibrating or weighing.
The cleaner the environment the better. Dust, dirt, moisture,
vibration, air currents and proximity to other electronic equipment can
cause an adverse effect on the reliability and accuracy of your scale.
Only use on a stable, vibration free surface.
Handle with care. Gently apply all items to be weighed onto the
weighing platform. Although this scale is designed to be quite
durable, try to avoid rough treatment as this may permanently
damage the internal sensor.
Place the item to be weighed on the platform and after the stable
weight is displayed, remove the item immediately. This will aid in the
longevity and accuracy of this weighing instrument.
Do not operate near an in-use cell phone, radio, computer or other
electronic device as these devices emit radio frequency (RF) and
may cause unstable scale readings.
Level the scale by looking at the bubble level under the display and
adjusting the feet on the bottom of the scale.
The scale may be powered by an AC adapter or a 6-volt
rechargeable battery. When Lo.bAt is flashes on the display, the
battery is low. Please recharge battery immediately.
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Summary of Contents for Salter Brecknell 405

  • Page 1: General Information

    Model 405 Weighing Scale User Instructions General Information Thank you for purchasing the Model 405 scale. Please read all operating instructions carefully before using and note the following points: • Avoid lengthy exposure to extreme heat or cold. The scale works best when operated at normal room temperature.
  • Page 2: Getting Started

    Getting started Charge the battery overnight with the AC adapter before using the scale or use the AC adapter to power the unit. The AC adapter plugs into a receptacle on the base of the scale. The AC adapter receptacle is shown below. Key Functions There are two keys on the front panel;...
  • Page 3 Press the On/Off/Zero key for more than 5 seconds to turn the scale on or off. ZERO Function When the scale is on, press the On/Off/Zero key for less than 5 seconds, to zero the scale. Zero range is +5% of full capacity. Zero function is only activated when there is no motion on the scale.
  • Page 4: Scale Operation

    Scale Operation Turning on the scale: Be sure the battery is charged or that the AC adapter is plugged in. Press the On/Off/Zero key on the front panel to turn the scale on. See illustration above. When the startup routine is finished, the scale is ready. Simple weighing: Empty the scale and press the On/Off/Zero key if the display is not at 0.
  • Page 5 Be sure to have the proper test weights on hand. For Model 405-6 you should have 6 kg or 12 lb weights. For Model 405-15, you should have 15 kg or 30 lb weights. Remove all weight from the scale platform and be sure the scale is turned off.
  • Page 6 Accessing the PC board and Locking/Unlocking Calibration To lock or unlock the calibration mode for the scale you must access the PC board and move a jumper. Follow these steps: Remove the scale platform. Use a 5mm hex wrench to remove the two screws holding the platform support to the weight sensor.
  • Page 7 Turn the scale over again and carefully remove the top case from the base. Figure shows the current main board and the calibration jumper (SWCAL) circled. Figure shows the older version of the main board and the calibration jumper (JP1). The jumper is shown inside the red oval.
  • Page 8 Figure 1.2 Older version of the main PC board The jumper shown in Figure is in the ‘calibration unlocked’ position. The scale can be calibrated with the jumper on the two pins on the right side. Pull the jumper up and move it to the left two pins to lock calibration There is an older style PC board your unit may have.
  • Page 9 Figure 1.3 Oldest style main PC board The jumper shown in Figure is inside the small red rectangle. It is shown in the ‘calibration locked’ position. The scale cannot be calibrated with the jumper on the two bottom pins. Pull the jumper up and move it to the top two pins to unlock calibration Reverse the disassembly procedure to reassemble the scale.
  • Page 10: Setting The Auto-Off Function

    Setting the AUTO-OFF Function You can set the amount of time the scale is inactive before it shuts down to save battery power. Follow these steps: Turn the scale on. Press and hold down the Tare/Units key and the On/Off/Zero key for more than 5 seconds until… A.oFF.x”...
  • Page 11: Specifications

    Specifications Capacity and division: 405-6: 6.000kg X0.001kg / 12.000lb x 0.002lb 405-15: 15.000kg x 0.002kg / 30.000lb x 0.005lb Display: seven red, 0.56”, seven-segment, LED digits display with eight LED diodes: ZERO, NET, AC, CHG, LB, KG, G, OZ Below are examples of the display showing 5.340kg in all the possible units of measure.
  • Page 12 If AC adapter is used to charge battery or to power scale, the rocker switch must be placed in the ON position. Working current: < 150mA Recharging current: < 400mA Salter Brecknell Weighing Products 1000 Armstrong Dr. Fairmont, MN 56031 Toll free: 800-637-0529 Tel: 507-238-8702 Fax: 507-238-8271 e-mail: sales@salterbrecknell.com...

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