OHAUS PR423/E - Maintenance and Troubleshooting; Calibration Verification and Cleaning

EN-36 PR Series Balance
Table 9-4 SPECIFICATIONS (continued)
ExCal Model
PR822N/E
PR2202N/E
PR4202N/E
PR5202N/E
PR2201N/E
PR4201N/E
PR6201N/E
Capacity (g)
820
2200
4200
5200
2200
4200
6200
Readability d (g)
0.1
0.01
0.01
0.01
0.1
0.1
1
Verification interval e(g)
0.1
0.1
0.1
0.1
1
1
1
Class
III
II
II
II
II
II
III
Repeatability (STDEV)
(g)
0.1 0.01 0.01 0.01 0.1 0.1 1
Linearity (g)
0.02
0.02
0.02
0.02
0.2
0.2
0.2
Eccentric Load
Not exceeding the maximum permissible error for the one-third of the full capacity of the balance
Stabilization Time
Typical (s)
1 1 1 1 1 1 1
Sensitivity Temperature
Drift (PPM/K)
±6 ±6 ±3 ±3 ±10 ±10 ±10
Typical Minimum
Weight USP
(USP K=2,U=0.10%)
20g 20g 20g 20g 200g 200g 200g
Optimized Min-Weight
(USP, u=0.10%, k=2)
SRP ≤ 0.41d*
8.2g 8.2g 8.2g 8.2g 82g 82g 82g
Units
g, kg, ct, grain, oz, ozt, lb
Applications
Basic Weighing; Parts counting; Percent weighing
Platform Size
(diameter)
7.1 in / 18 cm
Span Calibration Points
(g)
400,
800
1000, 2000
2000, 4000
2500, 5000
1000, 2000
2000, 4000
3000, 6000
Linearity Calibration
Points (g)
200,400,
600,800
500, 1000,
1500, 2000
1000, 2000,
3000, 4000
2000, 3000,
4000, 5000
500, 1000,
1500, 2000
1000, 2000,
3000, 4000
2000, 4000,
6000
Tare Range
To capacity by subtraction
Power Supply
Power input: 100-240 V ~ 200 mA 50-60Hz 12-18VA
Power output: 12 VDC 0.5A
Assembled Dimensions
(W x D x
H)
201 x 317 x 93 mm
7.9 x 12.5 x 3.7 inch
Communication
RS232
Operating Temperature
Range
10°C
-
40°C
10°C to 30°C
10°C to 30°C
10°C to 30°C
10°C to 30°C
10°C to 30°C
10°C
-
40°C
Storage Temperature
Range
Humidity: maximum relative humidity 80 % for temperatures up to 30°C, decreasing linearly to 50%
relative humidity at 40°C
Storage Conditions
-10°C to 60°C, humidity 10% to 90%, without condensation
Net Weight
7.7 lb / 3.5 kg
Shipping Weight
11 lb / 5 kg
Shipping Dimensions
(W x D x H)
550 x 385 x 291 mm
22 x 15 x 12 inch
*SRP refers to the standard deviation for n replicate weighings (nŐ10).