1
Appendix
B:
Specification
-5
-
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Table
A-4:
Electrical Characteristics (Cont.)
Clr
--
I
4
Characteristics Performance Requirements
Power Supply
-3
-
-
I
Line Voltage Range
90 VAC to 250 VAC1
44
!%
Line Frequency
48 Hz to 440 Hz1
Maximum Power Consumption
85 watts (1 50
VA)'
Line Fuse
2 A, 250 V, slow blow1
Primary Circuit Dielectric Requirement
Routine test to 1500
VRMS, 60
HZ,
for 10 seconds without
breakdown.'
CRT Display
Display Area
8 cm
X
10 cm.'
Standard Phosphor P31
Nominal Accelerating Voltage 14 kV1
4.2 V Output
+
10% through 2 knl
Memory
Nonvolatile Memory 26 Kbytesl
Power-Down
Battery Voltage
Memory retained for battery voltages greater than 2.3
V.'
Data Retention
Memory maintained at least 6 months without instrument
power.'
Battery Life
Power-down data retention specification shall be maintained
for 3 years without battery change.
Power-Down Detection
Threshold
Fail asserted for supply drop to less than 4.5
V.'
Reset held until supply is greater than 4.75 V.'
Reset Delay
Power-down interrupt to reset delay
2
1 ms.'
'Performance requirement not checked in manual.
A-20
Appendices
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