Product Description
- FEATURES/SPECIFICATIONS:
- 1 mA to 1 mV conversion permits direct reading up to one ampere RMS
- Sensitivity: 1 mV/mA + 1% at 1 kHz
- Frequency Response: + 2% 100 Hz to 3 MHz; + 5% 60 Hz to 4 MHz; -3 dB at <25 Hz and > 20 MHz.
- Max Input: 1 A RMS 1.5 A p; 100 mA above 5 MHz
It requires 3 mercury batteries (NOT included) - The 1961 HP manual says it requires two Mallory Battery Co. TR233R (4V each), and one TR234 battery (5.33V) (HP stock 1420-0005 and 1420-0006). Dimensionally they are roughly C cell size.