Agilent Technologies U1253B User's And Service Manual page 217

Specifications 7
Normal Mode Rejection Ratio (NMRR)
More than 90 dB at 50/60 Hz ± 0.1%.
Temperature coefficient
0.15 × (specified accuracy) / °C (from –20 °C to 18 °C, or
28 °C to 55 °C).
Shock and vibration
Tested to IEC/EN 60068- 2.
Dimensions (L×W×H)
203.5 × 94.4 × 59.0 mm (8.01 × 3.71 × 2.32 inches)
Weight
527 ± 5 grams with battery
Battery type
• 7.2 V or 8.4 V Ni- MH Rechargeable battery
• 9 V Alkaline battery (ANSI/NEDA 1604A or IEC 6LR61)
• 9 V Carbon- zinc battery (ANSI/NEDA 1604D or IEC6F22)
Charging time
Less than 220 minutes, in an environment of 10 °C to 30
°C. If the battery has been deep- discharged, a prolonged
charging time is required to bring the battery back to full
capacity.
U1253B User's and Service Guide 191