CHAPTER 1 GETTING STARTEDOhaus Corporation www.ohaus.com 1-2 Pioneer™ Balances Service Manual1.3 TOOLS AND TEST EQUIPMENT REQUIRED1.3.1 Special Tools1. Fixture P/N 923345 Corp. Item No. 00923345 for use with 150g to 410g Load Cells.2. Fixture P/N 923389 Corp. Item No. 00923389 for use with 510g to 4100g Load Cells.3. Fixture P/N 476001-020 Corp. Item No. 80250050 for use with analytical load cells.4. Block Style Fixture P/N 476000-030 Corp. Item No. 802503831.3.2 Standard Tools and Test Equipment1. Digital Voltmeter (DVM) – Input impedance at least 10 megohms in 1 V DC position.2. Nutdriver, 6mm3. Hex or Allen key wrenches, metric.4. Other assorted hand tools, tweezers, adjustable open wrenches, etc.5. Soldering iron (50 watt) and solder (rosin core solder, not acid core).6. Solder remover.1.4 SPECIFICATIONSComplete specifications for the Ohaus Pioneer Balances are listed in Tables 1-1 – 1-5.When a balance has been serviced, it must meet the specifications listed in the table.Before servicing the balance, determine what specifications are not met.TABLE 1-1. SPECIFICATIONS: EXTERNAL CALIBRATION MODELS (includes M Models)MODEL PA64 PA114 PA214 PA153 PA213 PA313 PA413 PA512 PA1502 PA2102 PA4102 PA4101Capacity (g) 65 110 210 151 210 310 410 510 1510 2100 4100 4100Readability (g) 0.0001 0.001 0.001 0.01 0.1Repeatability (mg) 0.1 (std. dev.) 1 1 (std. dev.) 10 (std. dev.) 100 sdLinearity (g) ± 0.0003 ± 0.003 ± 0.03 ± 0.3OCL ½ cap ½ dist 0.1mg 0.2 mg 0.3 mg 3 mg 30 mg 40 mg 200 mgTare Range To capacity by subtractionStabilization 3 SecondsSpan Cal Mass (g) 50 or6050 or100100 or200100 or150100 or200200 or300200 or400200 or5001000 or15001000 or2000 2000 or 4000Lin. Cal Mass (g) 20,5050,100100,200100,150100,200150,300200,400200,5001000,15001000,2000 2000, 4000Pan Diameter 3.5 in / 9 cm 4.7 in / 12 cm 7.1 in / 18 cmNet Wt 10 lb / 4.5 kg 7.3 lb / 3.3 kg
