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Performance
Output voltages
10 V, 1 V, and 0.1 V are provided at separate binding posts referenced to the VCOM binding post.
Stability
Standard stability
Output voltage
Stability (± μV/V)
30 days 90 days 1 Year
10 V 0.3 0.8 2.0
1 V 0.6 1.2 3.0
0.1 V 1.2 2.9 9.8
Select stability
Output voltage
Stability (± μV/V)
30 days 90 days 1 Year
10 V 0.3 0.8 1.0
1 V 0.6 1.2 2.5
0.1 V 1.2 2.9 8.0
Noise at the output terminals
Output noise is specified for both day-to-day observations and for short-term observations, at k=1.
Output voltage S1 (± μV/V)1 Sra (± μV/V)2 Noise (± μV/V rms)
10 V 0.07 0.05 0.06
1 V 0.16 0.14 0.15
0.1 V 1.4 1.3 1.0
Output current and impedance
Output voltage Output current limit Output impedance
10 V 12 mA1 ≤1 mΩ
1 V 1.2 mA1 ≤1 mΩ
100 mV 20 pA ≤100 Ω
Temperature Coefficient (TC) of Output
From 15 °C to 35 °C, the temperature coefficient is bound by the information in the table below.
Output voltage Temperature Coefficient (± μV/V per °C)
10 V 0.04
1 V 0.1
0.1 V 0.2
Output change with altitude
Output voltage Output Change (± μV/V per 1000 ft)
10 V 0.05
1 V 0.09
0.1 V 0.18
Load regulation
10 V output load change Maximum 10 V output change (± μV/V)
0 mA to 12 mA (no load to full load) 1
0 mA to 2 mA 0.1
Line Regulation
The outputs will change no more than 0.05 μV/V for any 10% line voltage change or for the entire operating range
of the battery.
General
Mains Line voltage is accepted as shown in the table below. AC line current at 120 V ac is
typically 0.13 A.
732C line voltage setting Line voltage accepted Frequency accepted
100 V 90 V to 110 V 50 Hz/60 Hz
120 V 108 V to 132 V 50 Hz/60 Hz
220 V 198 V to 242 V 50 Hz/60 Hz
240 V 216 V to 264 V 50 Hz/60 Hz
Battery Battery operation: At full charge, the internal battery operates the Product for a
minimum of 72 hours at 23 ±5 °C, with 0 mA to 0.1 mA total
current drain at the outputs.
Charging time: <36 hours with self-contained automatic battery charger
External dc input Rear-panel input for external 12 V dc to 15 V dc powers the Product indefinitely.
The dc source must be rated ≥300 mA
Isolation Resistance from any of the Product binding posts to earth (chassis) ground or to ac line
power is >10 000 MΩ shunted by <1000 pF
Guard and ground
terminals
Chassis ground connections are provided on both the front and rear panels. Access to
the internal guard is provided by a front-panel binding post
Output protection All outputs can be shorted indefinitely without damage to the Product. The 10 V output
can withstand voltages from other sources as follows:
1. For voltages ≤220 V dc, the Product is protected for a maximum of 50 mA continuous
current
2. For voltage ≤1100 V dc, the Product is protected for a maximum of 25 mA continuous
current or up to 0.6 joules for short periods of time
Environmental
Specified operation Temperature range: 15 °C to 35 °C
Relative humidity: 0% to 90 % to 28 °C, to 80% to 35 °C, and to 50% to 50 °C,
Noncondensing
Altitude: 0 m to 1830 m (0 ft to 6000 ft)
Non-specified operation Temperature range: 0 °C to 50 °C
Relative humidity: 0% to 90 % noncondensing
Altitude: 0 m to 3050 m (0 ft to 10 000 ft)º
Storage (battery removed) Temperature Range: -40 °C to 50 °C
Relative humidity: noncondensing
Altitude: 0 m to 12 200 m (0 ft to 40 000 ft)
