CHAPTER 1 INTRODUCTION
1.7 SPECIFICATIONS
TABLE 1-3. SPECIFICATIONS FOR DEFENDER SQUARE BASES (Regular)
MODEL: Q Series
D10QR
D15QR
D25QR
D30QR
D50QR
Capacity
10 kg / 25 lb
15 kg / 30 lb
25 kg / 50 lb
30 kg / 60 lb
50 kg / 100 lb
Standard Resolution
1:10000
1:15000
1:12500
1:15000
1:10000
Approved Resolution (nmax)
1:5000
1:3000
1:5000
1:3000
1:5000
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 12 in. / 305 x 305 mm
18 x 18 in. /
457 x 457 mm
TABLE 1-4. SPECIFICATIONS FOR DEFENDER SQUARE BASES (Large)
MODEL: Q Series
D60QL
D100QL
D150QL
D250QX
D300QX
Capacity
60 kg / 150 lb
100 kg / 250 lb
150 kg / 300 lb
250 kg / 500 lb
300 kg / 600 lb
Standard
Resolution
1:12000 1:10000 1:15000 1:12500 1:15000
Approved
Resolution
(nmax)
1:3000 1:5000 1:3000 1:5000 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
18 x 18 in. / 457 x 457 mm
24 x 24 in. / 61 x 61 cm
Ohaus Corporation www.ohaus.com
1-4
Defender™ H-Q-W Series Service Manual
Summary of Contents for Defender D15HR
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