RAVAS-1100 Weighing Hand Pallet Truck User Manual

1. The Weighing Hand Pallet Truck

1.1. Taking the System into Operation

To activate the weighing system, turn it on using the [power-symbol] key on the terminal. After 3 to 5 minutes, the electronics and load cells reach operational temperature. Before this, inaccuracies of up to approximately 0.3% may occur. It is recommended not to lift loads before the zero-point correction has been executed.

1.2. Power Supply

The system is powered by an exchangeable battery pack. For legal for trade systems, the power supply uses a fixed mounted battery. A fully charged battery provides approximately 35 hours of weighing time (on systems without a printer). If the display shows a low battery indicator for 1 or 2 minutes, the system will switch off automatically. It is strongly recommended to charge the empty battery directly with the supplied charger.

To maximize battery lifetime, follow these charging instructions:

1. Insert the battery into the charger module. For legal for trade systems, connect the charger cable to the system.
2. Plug the charger adaptor into a 220-240VDC mains socket. The red LED on the charger adaptor indicates charging is in progress. Charge the battery for at least 6 hours to prevent loss of capacity.
3. An empty battery will be fully charged in approximately 6 hours. The red LED turns off when charging is complete. The charger automatically switches off, preventing overload.
4. Disconnect the charger adaptor plug from the mains voltage.
5. After unplugging, remove the battery from the charger module. For legal for trade systems, remove the charging cable from the system after removing the adapter.
6. To charge another battery, repeat from step 1.

If the system is used in shift work or has a built-in printer, purchasing a supplementary battery pack is recommended.

Load Handling and Accuracy

The weight must be lifted freely, without touching the housing of the indicator or other pallets.

Diagrams illustrate the incorrect way of lifting a load, where the load touches the indicator housing or other pallets, and the correct way, where the load is lifted freely without obstruction.

The accuracy of the weighing system diminishes by approximately 0.1% per degree starting from a tilted position of 2°. This effect also occurs with uneven floors or potholes. An even floor is optimal. The system may be equipped with an electrical level switch. When the forks are out of level by more than 2 degrees, the indicator will display '------'.

The most accurate weighing result is obtained when the center of gravity of the load is placed between the forks. Non-centric loading can cause the forks to twist and bend, leading to higher inaccuracy. For legal for trade versions, the level control will switch off the indicator if non-centric loading or a tilted position affects weighing accuracy.

Temperature range: Between -10°C and +40°C, the maximum inaccuracy is 0.1% of the weighed load. Outside this range, inaccuracies of up to 0.3% may occur.

An illustration shows a thermometer indicating the operational temperature range from -10°C to +40°C. Temperatures outside this range can lead to inaccuracies of up to 0.3%.

Fast temperature changes must be avoided as they can cause condensation in the electronics. During acclimatization, the weighing system must be switched off.

2. Touch Panel Indicator

Indicator Description

An illustration of the front indicator panel shows a display with three bar indicators, a 'NET' indicator, and several function keys labeled: ~ (stable load indicator), negative weight indicator, NET (net weight indicator), [zero-tare-symbol] (zero setting/tare), [PT-symbol] (PT function), [total-symbol] (totalizing), and a power button.

The display uses three pointer bars to show:

• ~ : The weighing system (including load) is stable.
• The weight shown is negative.
• NET : The display shows the net weight.

The Display Indications

The minus sign lights in the display. The following indications can be shown:

• HELP 1: The weighing system has been overloaded.
• HELP 2: Taring of negative weight.
• HELP 3: Negative signal from the load cell on AD converter / tilted position.
• HELP 4: The tare value entered (manually) is too high. Press [PT-symbol] again to delete this help message and key in a lower tare value.
• HELP 5: Totalling memory full.
• HELP 6: No Bluetooth connection (only RF-systems).
• HELP 7: Signal from the load cell on AD converter is too high.
• HELP 8: Tilted position (only RF-systems).
• HELP 9: Low battery on transmitter (only RF-systems).
• LO-BA or : The battery voltage level (indicator) is running low. The battery has to be charged.

The Touch Panel

Each key has an operational and an entry function.

A diagram maps the touch panel keys to their operational and entry functions:

• [zero-tare-symbol] ([power-symbol]/[zero-tare-symbol]): Operational function: Zero setting and automatic tare. Entry function: Confirm and digit to the left.
• [PT-symbol]: Operational function: Tare entry. Entry function: Decreasing flashing digit.
• [total-symbol]: Operational function: Totalling. Entry function: Increasing flashing digit.
• [power-symbol]: Operational function: On/off. Entry function: Clear.

Important: Operation of a key is not accepted unless the weighing system is stable (and the "load stable" sign lights up). The indicator only executes commands with a stable load.

Warning: When the weighed load surpasses the pre-set maximum, the display shows: "HELP1". To prevent damage to the indicator or load cells, the weighing system must be unloaded immediately.

Tilted Position: With the approved version of the weighing system, the help display shows small bars when the system is in a tilted position larger than 2°. In this case, the weighing system must be placed in a horizontal position. After this, the system continues executing any commands.

3. Functions Indicator

3.1. Graduation

The graduation of the indicator depends on the weighed load:

• From 40 to 2000 kg, the weight is shown in 2 kg steps.
• From 20 to 2000 kg, the weight is shown in 1 kg steps.

3.2. Before Weighing: Check Zero Point

Before each weighing, it is necessary to check if the system is unloaded and free. The indicator is fitted with an automatic zero correction, meaning small deviations of the zero point will be corrected automatically. If the indicator does not determine the zero point automatically, it must be done manually using the [zero-tare-symbol] key.

3.3. Gross Weighing

After lifting a load, the display shows the gross value of the weighed load.

3.4. Net Weighing: Automatic Tare

The indicator allows resetting tare weights to zero automatically, enabling the determination of added or subtracted weights. After taring, the display continues in the smallest step.

• Lift load.
• Press [zero-tare-symbol] key.
• The indicator is set to zero.
• The "NET" pointer shows that a tare weight is activated.
• Place or remove the net load.
• The display shows the net value of the weighed load.
• When removing load, this is displayed as a negative value.
• Executing a zero setting in an unloaded position returns the system to the standard weighing mode.

3.5. Net Weighing: Manual Tare Entry

A tare weight can be entered at any moment, in either a loaded or unloaded situation. For higher accuracy, a tare weight can be entered with a smaller graduation step, independent of the applied load and the active graduation of the indicator.

A tare weight larger than the system's MAX1 value (the weight of the first range, e.g., 200 kg in the standard version) will not be accepted. If a larger weight is keyed in, the display shows "HELP4". Pressing the [PT-symbol] key clears this indication.

To enter a tare value:

• Press the [PT-symbol] key. The display shows the current tare value, with the rightmost digit flashing.
• Press ENTER([down-arrow]) for three seconds if the current tare value is required.

Alternatively:

• Press the [PT-symbol] key.
• Press the [up-arrow] key to increase a value or the [down-arrow] key to decrease a value until the required value is reached.
• Press ENTER([down-arrow]) to change to the next value.
• Repeat this procedure until the required tare value is displayed.

To activate the tare weight without storing it in memory: press ENTER([down-arrow]) for three seconds.

• The tare weight is activated.
• The "NET" pointer lights up.
• When the system is loaded, the net value appears in the display.
• When the system is unloaded, the read-out displays the entered tare value negatively.

The keyed-in value remains active until the system is turned off, a new tare weight is entered, a new load is tared (see 3.4), or the tare value is reset to zero:

• When the system is loaded: press the [PT-symbol] key for two seconds. The tare value is set to zero, and the system returns to the standard weighing mode.
• When the system is unloaded: press the [zero-tare-symbol] key. The tare value is set to zero, and the system returns to the standard weighing mode.

To activate the tare weight and store it in memory: go through all the digits by pressing ENTER([down-arrow]).

• The tare weight is activated and stored in the memory.
• The "NET" pointer lights up.
• When the system is loaded, the net value appears in the display.
• When the system is not loaded, the tare value input is displayed negatively.

The keyed-in value remains active, even if the system is turned off, until a new tare weight is entered, a new load is tared (see 3.4), or by resetting the tare value to zero:

• The weighing system is loaded: press the [PT-symbol] key for two seconds. The tare value is set to zero and the system returns to the standard weighing mode.
• The weighing system is unloaded: press the [zero-tare-symbol] key. The tare value is set to zero and the system returns to the standard weighing mode.

3.6. Totalling

The indicator allows adding up weighings and showing the total weight. When a tare weight is active, the net weight is added up automatically.

• Load the system with the weight to be added.
• Press the [total-symbol] key to add the weighed load to the total weight.
• The value of the display is stored and added in the memory.
• The indicator shows the sequence number (number of weighings) and the (sub)total.
• If the system is equipped with a printer, the value is printed simultaneously.
• After a few seconds, the system automatically returns to the standard weighing mode.

Alternatively:

• Press the [total-symbol] key for three seconds to view the total weight calculated so far (without totalling).
• The indicator shows the sequence number (number of weighings) and the (sub)total currently in memory.
• After a few seconds, the system automatically returns to the standard weighing mode.

The memory can be erased by pressing the [total-symbol] key during the display of the total. If the system is equipped with a printer, an overview print is made. The display shows sequence number 00 and the total weight 0.0 kg. The system automatically returns to the standard weighing mode.

Contact & Company Information

RAVAS Europe BV

Veilingweg 17
5301 KM Zaltbommel
Netherlands

Phone: +31 418 515220
Website: www.ravas.com
Email: info@ravas.com

Recycling Information

RAVAS products are 100% recyclable, provided the parts are processed and disposed of correctly. More information can be found on the RAVAS website: www.ravas.com.

Rev. 20210930. Printing/typographical errors and model changes reserved.