OHAUS MB25, Руководство по обслуживанию

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CHAPTER 1 GETTING STARTED
MB23 and MB25 Service Manual 1-3 Ohaus Corporation www.ohaus.com
1.4 SPECIFICATIONS
Complete specifications for the Ohaus MB23 and MB25 Moisture Analyzers are listed in
Table 1-1. When a scale has been serviced, it must meet these specifications.
TABLE 1-1. SPECIFICATIONS
Model MB25 MB23
Capacity 110g
Repeatability (Std Dev) (g)
0.2% (3g sample)
0.05% (10g sample)
0.3% (3g sample)
0.2% (10g sample)
Readability
(% requires >10g sample)
0.005g; 0.05% 0.01g, 0.1%
Linearity (d) ±2
Off Center Load (½ cap, ½ dist) 5d
Tare range To capacity by subtraction
Stabilization Time

3 seconds
Calibration
– Weight
External Calibration Mass, 50g
Calibration
– Temperature
OHAUS Temperature Calibration Kit
Temperature Settings 50°C to 160°C (5° increments)
Temperature Readability ±5°C
Temperature Repeatability ±5°C
Thermal Overload Protection Bimetalic-element switch in dryer unit
Temperature Adjustments 2 points, 100°C and 160°C
Operating Temperature Range 41°F to 104°F / 5°C to 40°C
Operating Humidity Range 10% - 85% (RH) non-condensing
Shipping & Storage Temp.
–
40°C (
–
40°F) to 60°C (140°F) at 10% to 95% RH,
non-condensing
Heating Technology Halogen Infrared (no glass)
Power Requirement 100 to 240 VAC, 50/60 Hz