PW‐2050
8Pages

Weltech Interna onal Limited The PW‐2050 weighs potatoes to measure their specific gravity and percentage dry ma er. It works by comparing the weight in air with the weight in water of 1.5kgs of potatoes and converts this to specific gravity and dry ma er. The PW‐2050 is ba ery operated and will weigh for up to 15 hours between re‐charging and will retain all weights even when the ba eries are flat. All informa on is stored un l the CLEAR sequence has been completed. The maximum weight the unit can weigh is 5kgs (11lbs). NOTE: If the weight exceeds 5kgs the loadcell will be damaged. PW‐2050 Control Panel Printer, Computer and USB (op on

A wire basket or plas c mesh bag large enough to hold 1.5Kg of washed potatoes will be required. The container must be lowered into the container of water un l the basket and potatoes are fully submerged. Turn the weigher on by pressing the ON/OFF key. The display will show READY. Press the SETUP key and the display will show: CALIBRATING THE BASKET With nothing on the hook check that the display reads zero, and if it does not then press the TARE key. Place the empty basket onto the hook and press the CAL key, CALIBRATING BASKET will be displayed and then BASKET. Press the WEIGHT IN AIR bu...

PRINT EACH BATCH This can be switched ON and OFF using the INC and dec bu ons. When ON the weigher will print via the serial port as each weight is done. REPORT STYLE This can be selected between SUMMARY and DETAILED using the INC and dec bu ons. SUMMARY just prints the results. DETAILED prints all the dry and wet weights. DISPLAY STYLE This can be selected between SPEC GRAV and DRY MATTER to be displayed using the INC and dec bu ons. The selected display se ng will be the one that gets printed on a SUMMARY print. WRITE TO USB This can be switched ON and OFF using the INC and dec keys....

CHARGING WELTECH INTERNATINAL PRINT EACH BATCH If switched ON the weigher prints the weights as they are done. REPORT STYLE SUMMARY Prints the basic summary report showing the results. The charging socket and Serial RS232 output connector is situated on the side of the weigher. In the centre of the display is the ba ery charge indicator. When full the box will go completely black and as power is used the box will start to go clear. This is only a rough guide based on the ba ery voltage and does not show how much capacity is in the ba eries. FLASH WHEN CHARGING DETAILED Prints the...

A PC may be connected to the RS232 connector to output the data. Once the computer is connected and the so ware is ready to accept data, then press the PRINT DATA to output the data. USB STICK Socket if fi ed (Op onal) Charging Socket ON OFF Tares weight on hook WEIGHT IN AIR Stores the weight in air measurement SHOW DATA Displays data stored Clear data stored Stores the weight in water measurement PRINT OPTIONS Enters data into store/ command RS232 Output Printer & Computer PRINT DATA Prints data stored Communica on Se ngs Bits per second Data Bits Parity Stop Bits Flow Control...

The following commands are accepted at the serial port. Turn weigher on and open PRINT OPTIONS, and make sure WRITE TO USB is on. ID? SER? PAN? EACH EAOFF STON STOFF DATE? TIME? DATE,ddmmyy TIME,hhmm CLEAR PRINT SETTS RESET OFF Plug USB s ck into port (Shown on page 15) and press PRINT DATA. Once the file is wri en FILE WRITTEN OK will appear on the screen, the data is now downloaded. Remove the USB s ck from the weigher and plug into your computer. Sends weigher type and version Sends serial number Sends weight being displayed Turns on the print each batch print Turns off the print each...

SAFETY CONSIDERATIONS The PW-2050 is a rugged unit designed for outdoor use but it should be handled with care. The unit can be cleaned with a damp cloth but under no circumstances be immersed in water. IMPORTANT: The weigher itself must not get wet as this could cause irreparable damage to the board and loadcell inside the weigher. This unit is fitted with rechargeable batteries and will last for 3-4 years if charged/discharged correctly. A WEIGHT OF 1KG TO 4KG OF POTATOES MUST BE USED The PW2050 is fitted with a 5kg loadcell and under no circumstances should the weight of the potatoes and...

Weltech Interna onal Limited Weltech Interna onal Limited manufacture the PW‐2050 to the highest specifica on and our aim is to con nue to improve its opera on and reliability and give our customers a product that suits their requirements. SERVICE. For service and repairs contact your local agent. Weltech Interna onal Limited 10 Bramley Road St.Ives Cambridgeshire PE27 3WS Email : Tel : Fax :