CHAPTER 1 INTRODUCTION
1.7 SPECIFICATIONS
Complete specifications for the Ohaus Defender H-Q-W Series Bases are listed in Tables 1-1,
through 1-6. When a Base has been serviced, it must meet the specifications listed in the table.
Before servicing the Base, determine what specifications are not met.
TABLE 1-1. SPECIFICATIONS FOR DEFENDER RECTANGULAR BASES (Regular)
MODEL: H Series
D15HR
D30HR
D60HR
Capacity
15 kg / 30 lb
30 kg / 60 lb
60 kg / 150 lb
Standard Resolution
1:15000
1:15000
1:12000
Approved Resolution (nmax)
1:3000
1:3000
1:3000
Safe Overload Capacity
150% of capacity
Load Cell Protection/ Accuracy Class
IP67, single point / C3
Load Cell Rated Output
2 mV/V ± 10%
Load Cell Excitation Voltage
Maximum 20V (AC/DC) / Recommended 5~15V (AC/DC)
Load Cell Input/Output Resistance
410 ± 10 ohms / 350 ± 4 ohms
Operating Temperature
14°F to 104°F / -10°C to 40°C
Shift Tolerance new
±1d
Shift Tolerance Maint.
±2d
Base Dimensions
12 x 14 in. / 30.5 x 35.5 cm
TABLE 1-2. SPECIFICATIONS FOR DEFENDER RECTANGULAR BASES (Large)
MODEL: H Series
D60HL
D100HL
D150HX
D300HX
Capacity
60 kg / 150 lb
100 kg / 250 lb
150 kg / 300 lb
300 kg / 600 lb
Standard
Resolution
1:12000 1:10000 1:15000 1:15000
Approved Resolution
(nmax)
1:3000
1:3000
1:3000
1:3000
Safe Overload Capacity
150% of capacity
Load Cell Protection/
Accuracy Class
IP67, single point / C3
Load Cell Rated Output
2 mV/V ± 10%
Load Cell Excitation
Voltage
Maximum 20V (AC/DC) / Recommended 5~15V (AC/DC)
Load Cell Input/Output
Resistance
410 ± 10 ohms / 350 ± 4 ohms
Operating Temperature
14°F to 104°F / -10°C to 40°C
Shift Tolerance new
±1d
Shift Tolerance Maint.
±2d
Base Dimensions
15.7 x 19.7 in. / 40 x 50 cm
16.5 x 21.6 in. / 42 x 55 cm
Defender™ H-Q-W Series Service Manual
1-3
Ohaus Corporation www.ohaus.com
Summary of Contents for Defender D15HR
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