3
SRC-Tnetwork
3
Specifi cations
Chapter 2
SPECIFICATIONS
For convenience to the user, the pertinent specifi cations are given in an
OPERATION GUIDE
,
Calibration conditions:
At 23°C, low power, accredited calibration traceable to SI
Using T-network calculation based upon calibration of the 3 internal
resistors at a maximum of 200 V.
Terminals:
3 gold plated, low thermal-emf binding posts for Source, Output and
Guard, 1 binding post for Ground and one bnc for Center Tap.
Dimensions:
9 cm W x 11.5 cm L x 5 cm H
(3.5" x 4.5" x 2”)
Weight:
0.45 kg (1 lbs)
Operating temperature range:
- 55 to 70°C < 80% RH
Altitude:
<2000 m
Enclosure:
Cast Aluminum housing to minimize noise
Model
SRC-
Nominal
(
W
)
Initial
Adjustment to
Nominal
(ppm)
C a l i b r a t i o n
Uncertainty
(Typical)
(ppm)
Stability
1 year (ppm)
Tempco
(ppm/°C)
Voltage
Coef.
(ppm/V)
Resistor
type
Max. Voltage
(V)
10T-Tnetwork
10 T
±
1%
750
±
500
±
25
1
precision thick
fi lm resistors in a
T-Network
5000
20T-Tnetwork
20 T
50T-Tnetwork
50 T
100T-Tnetwork
100 T