PRW series Bench Scale User’s guide UGPRW-E1.
PRW serial bench scale user’s manual Table of Contents SECTION 1 INTRODUCTION……………………………………………………………1 SECTION 2 SPECIFICATIONS……………………………………………………..……2 SECTION 3 INSTALLATION……………………………………………………………….3 SECTION 4 KEY DESCRIPTIONS………………………………………………………5 SECTION 5 DISPLAYS…………………………………………………………………….6 SECTION 6 OPERATION…………………….……………………………………….…..7 6.1 Zeroing the display………………………………………………………………….7 6.2 Taring……………………………………………………………………………..…….7 6.3 Weighing a sample…….………………………………………………….………….7 6.
PRW serial bench scale user’s manual SECTION 1 INTRODUCTION The PRW series of bench scale provides an accurate, fast and versatile series of general purpose weighing scale with units conversion and check-weighing functions. All the keypads are sealed, color coded membrane switches and the displays are large easy to read liquid crystal type displays (LCD). The LCD’s are supplied with a backlight.
PRW serial bench scale user’s manual SECTION 2 SPECIFICATIONS Model PRW-I PRW-II Resolution 1/3,000 1/6,000 Interface RS-232 Output Optional Stabilisation Time 1 Seconds typical Operating Temperature 0°C - 40°C / 32°F - 104°F Power supply (external) 115 / 230 Vac, 120 / 240 Vac, 50/60Hz, 10 watts Calibration Automatic External Display 6 digits 22mm LCD display, attached backlight indicator Housing ABS Plastic, Zero range 0mV~5mV Signal input range 0~15mV ADC Sigma delta Internal c
PRW serial bench scale user’s manual SECTION 3 INSTALLATION GENERAL INSTALLATION The scales should be sited in a location that will not degrade the accuracy. Avoid extremes of temperature. Do not place in direct sunlight or near air conditioning vents. Avoid unsuitable tables. The tables or floor must be rigid and not vibrate. Do not place near vibrating machinery. Avoid unstable power sources. Do not use near large users of electricity such as welding equipment or large motors.
PRW serial bench scale user’s manual SECTION 4 KEY DESCRIPTIONS Zero Set the zero point for all subsequent weighing. The display shows zero. A secondary function , of "Enter" key when setting parameters or other functions. Tare Tares the scale. Stores the current weight in memory as a tare value, subtracts the tare value from the weight and shows the results. This is the net weight. Entering a value using the keypad will store that value as the tare value.
PRW serial bench scale user’s manual SECTION 5 DISPLAYS The LCD display will show a value and a unit to the right of the digits.
PRW serial bench scale user’s manual SECTION 6 OPERATION 6.1 Zeroing The Display You can press the ZERO key at any time to set the zero point from which all other weighing and counting is measured, within 4% of power up zero. This will usually only be necessary when the platform is empty. When the zero point is obtained the display will show the indicator for zero. The scale has an automatic rezeroing function to account for minor drifting or accumulation of material on the platform.
PRW serial bench scale user’s manual high limit and a low limit. Check mode 2: When check range, the display will show OK and the beeper will sound when the weight is between the limits. Check mode 3: When check range, the display will show OK and the beeper will sound when the weight is out of the limits. 6.4.
PRW serial bench scale user’s manual weight is stable. The display will show "ACC 1" and then the total in memory for 2 seconds before returning to normal. (after do accumulate operate, M+ indicator will turn on) If the optional RS-232 interface is installed the weight will be output to a printer or PC. Remove the weight, allowing the scale to return to zero and put a second weight on. Press the M+ key, the display will show "ACC 2" and then the new total. Continue until all weights have been added.
PRW serial bench scale user’s manual SECTION 7) and set scale mode to mode3/mode4 (see detail in SECTION12) Turn on power, scale will show “err4”, then show current total weight on platform, press TARE key, display show 0.00, then remove goods in hopper, display will show it’s weight in “-“ mode, press M+ key, scale will print out weighing ticket, mode3/mode4 only different is print format.
PRW serial bench scale user’s manual SECTION 7 PARAMETERS The scale has 6 parameters that can be set by the user plus a method of entering the calibration section. Press the UNIT key and M+ key together in the weighing mode. The display will show the first function, "F0 H-L". Pressing the TARE key will cycle through the other functions. Pressing ZERO will allow you to set the function.
PRW serial bench scale user’s manual FUNCTION MENU SETTINGS FUNCTION SUB-FUNCTION F3 off F4 Prt DESCRIPTION DEFAULT VALUE bL Set the backlight to be on, EL Au automatic or off, EL on EL Au EL off bEEP Set the beep mode.
PRW serial bench scale user’s manual print out format form 1 (for TpuP printer) Lab prt 0 1 2 GS: 0.888kg NT: 0.666kg TW: 0.222kg GW: 0.888kg GS: 0.222kg TOTAL: 0.222kg 1 DATE: 04/06/06 GS: 0.888kg DATE: 04/06/06 NT: 0.666kg TW: 0.222Kg GW: 0.888kg DATE: 04/06/06 GS: 0.222kg TOTAL: 0.444kg 2 TIME: 11/11/11 GS: 0.888kg TIME: 11/11/11 NT: 0.666kg TW: 0.222kg GW: 0.888kg TIME: 11/11/11 GS: 0.222kg TOTAL: 0.666kg DATE: 04/06/06 TIME: 11/11/11 NT: 0.666kg TW: 0.222kg GW: 0.
PRW serial bench scale user’s manual SECTION 8 BATTERY OPERATION The weighing indicator can be operated from the battery if desired. The battery life is approximately 35 hours. When the battery needs charging a symbol on the weight display will turn on. The battery should be charged when the symbol is on. The scale will still operate for about 10 hours after which it will automatically switch off to protect the battery. To charge the battery simply plug into the mains power.
PRW serial bench scale user’s manual SECTION 9 RS-232 OUTPUT The PRW Series of scales can be ordered with an optional RS-232 output. 9. 1 basic information Specifications: RS-232 output of weighing data ASCII code 8 data bits No Parity Baud rate from 600bps to 9600bps 9. 2 normal print out Data Format for normal weighing operations, parts counting or recalling of totals from memory will all be different.
PRW serial bench scale user’s manual ， -HEADER1-- -/ k - HEADER2- --- WEIGHT DATA -- g CR LF -WEIGHT UNIT- TERMINATOR con1: counting mode P C S ： p - QTY - c s CR LF -QTY UNIT- HEADER1: ST=STABLE， US=UNSTABLE HEADER2: NT=NET， GS=GROSS Con2: Head Head Head Head Weig Weig Weig Weig Weig Weig Termina Termina Tare1 Tare2 Tare3 Tare4 Tare5 Tare6 er0 er1 er2 er3 ht1 ht2 ht3 ht4 ht5 ht6 tor1 tor2 Header0=02H Header1 follow decimal point Decimal point=0, header1=22H Decimal point=1, header1=23H Dec
PRW serial bench scale user’s manual -15- SECTION 10 CALIBRATION Press UNIT key and M+ key together when normal weighing mode, display shows “F0 H-L”, press TARE key until display shows “PrOG”, press ZERO key, display shows “PIN”, You can press G/N、UNIT、ZERO key to enter setting mode, press TARE key to select "p2 CAL", press ZERO key to sure. press TARE key to select .While it is showing "CAL " press the ZERO key to enter. The display will show "linear". 1.
PRW serial bench scale user’s manual -16- SECTION 11 ERROR CODES ERROR CODES ----- DESCRIPTION RESOLUTION Over range Remove weight from the scale. If the problem persist contact your dealer or Taiwan scale for assistance. Enter date using correct format and reasonable values. Format: yy:mm:dd Enter time using correct format and reasonable values. Format: hh:mm:ss The scale was outside the normal zero setting range either when it was turned on or when the ZERO key was pressed.
PRW serial bench scale user’s manual -17- SECTION 12 TECHNICAL PARAMETERS Press UNIT key and M+ key together when normal weighing mode, display shows “F0 H-L”, press TARE key until display shows “PrOG”, press ZERO key, display shows “PIN”, You can press G/N、UNIT、ZERO key to enter setting mode, press Tare key to select parameter, press Zero key to sure, press UNIT key to escape. FUNCTION SUB-FUNCTION DESCRIPTION P1 REF AZN 0 This option is used to select the auto zero maintain; Options : 0.
PRW serial bench scale user’s manual MODE 4 -18- As the mode 2, but M+ out format different NW: 0.222KG nw for net weight GW:0.
PRW serial bench scale user’s manual TAIWAN SCALE is a international supplier with more than 30 years experience in the production and sale of electronic weighing equipment. Products are supplied and serviced from our company locations in the CHINA, TAIWAN and distributed through a world wide dealer network, also we make OEM/ODM products for world wide customer. TAIWAN SCALE's products are predominantly designed for the laboratory, medical, business and industrial markets.
