PN-Series Manual 2.4. Turning on the Balance and Self-testing 1. Connect the AC adapter to an available wall socket and plug the other end of the cable into the balance. 2. Press the ON / OFF key to turn the scale on. A display test will be performed (5 seconds).
PN-Series Manual 3. OPERATION 3.1. Sample Weighing 1. Press TARE / ZERO to make the balance return to zero. 2. Load the sample onto the scale pan. 3. The weight is stable when g (depending on which weighing unit is active) appears on the display.
PN-Series Manual 2. Clean the weighing pan and press TARE to re-zero the balance. 3. When the balance is stabilized press and hold the CAL button for 5 seconds. 4. The display will show “-CAL-” then the required weight will flash on the display.
PN-Series Manual 4. APPENDIX 4.1. RS232 Serial Data Communication This balance has a Bi-Directional RS232 port for communication with a PC. When connected to a computer, the weight value can be sent to the computer and commands can be sent to the balance...
PN-Series Manual 4.4. Care & Maintenance Please read all operating instructions carefully before use. Scales are precision instruments and should always be handled with proper care. To ensure years of reliable service, keep these simple tips in mind: • Do not exceed the scales maximum capacity. Overloading your scale can permanently damage it! • Avoid exposure to extreme heat or cold. Scales perform best at normal room temperature. If temperatures have changed dramatically, recalibration may be necessary.
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