Section 2
OM6636-B-00
12 February 2015
2-1
2. SPECIFICATIONS
2.1.
GENERAL SPECIFICATIONS
MODEL 6636 RESISTANCE STANDARD
General Specifications
Operating Temperature
+23
5
°C
+73
9
°F
Storage Temperature
-20 to +60
°C
-4 to +140
°F
Operating Humidity (non-condensing)
< 50
% RH
Storage Humidity (non-condensing)
< 90
% RH
Temperature Stability (24 hours)
(exclusive of the self heating effects
of the resistors)
28
0.003
°C
82.4
0.005
°F
Temperature Stability (1 year)
(exclusive of the self heating effects
of the resistors)
28
0.01
°C
82.4
0.02
°F
Cold Power on Stabilization Time to
Specified Accuracy
36
hours
Power Requirements
15
VA
Voltage Requirements
100, 120, 220 or 240
10 %
VAC
Line Frequency
50 or 60 10 %
Hz
Dimensions (Nominal) (1)
D 503, W 440, H 132
mm
D 19.8, W 17.4, H 5.2
in
Weight
Bench Top
11
kg
24
lb
Rack Mount
9.4
kg
20.7
lb
Table 2-1: General Specifications
Notes:
1.
The width including rack-mount ears is 480 mm (18.9 in). The height including bench
top feet is 142 mm (5.6 in).
