OHAUS TROOPER, Service Manual

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1-2
CHAPTER 1 INTRODUCTION
1.2 TOOLS AND EQUIPMENT
1.2.1 Standard Tools and Test Equipment
The service shop should contain the following equipment:
1. Digital Voltmeter (DVM).
2. Standard Electronics tool kit.
3. Desk magnifier on a stand.
4. Grounding mat and clip.
5. Flat Exacto® blades and holder.
1.2.2 Special Tools
To service the Ohaus Trooper Scale and Trooper Count Scale, the following equipment is
recommended:
1. A PC computer with a terminal program for communications.
2. Trooper Count Scale Tools- software program, Ohaus P/N 80500590.
3. RS-232 Cable - Ohaus P/N 80500433, IBM-PC 9 pin or standard null modem cable.
4. RS-232 Cable - Ohaus P/N 80500431, IBM - PC 25 Pin
5. Ohaus Printer Model SF42
6. Ohaus Printer Cable P/N 80500571
7. AC adapter, 120V, 60Hz (US) Ohaus P/N 80500435
8. AC adapter, 230V, 50Hz (EU) Ohaus P/N 80500436
9. AC adapter, 230V, 50Hz (UK) Ohaus P/N 80500437
10. AC adapter, 240V, 50 Hz (AU) Ohaus P/N 80500462
11. Load Cell Simulator
1.3 CALIBRATION MASSES REQUIRED
The masses required to test the Ohaus Trooper Scale and Trooper Count Scale must meet the requirements
of ASTM Class 4 or OIML F2. The mass values are listed in Table 1-1. Bolded values are default settings.
TABLE 1-1. CALIBRATION MASSES
Cal in kg: Cal in kg: Masses Totaling Masses Totaling
TC3RS TR3RS 1, 2 , 3kg 2 & 3 kg
TC6RS TR6RS 2, 4 , 6kg 4 & 6 kg
TC15RS TR15RS 5, 10 , 15kg 10 & 15 kg
TC30RS TR30RS 10, 20 , 30kg 20 & 30 kg
Cal in lb: Cal in lb: Span Cal choices Linearity Cal (fixed)
Masses Totaling Masses Totaling
TC3RS TR3RS 2, 4 , 6 lb 4 & 6 lb
TC6RS TR6RS 5, 10 , 15 lb 10 & 15 lb
TC15RS TR15RS 10, 20 , 30 lb 20 & 30 lb
TC30RS TR30RS 20, 40 , 60 lb 40 & 60 lb
TROOPER COUNT SCALE TROOPER SCALE Span Cal choices Linearity Cal (fixed)