Instructions

Oscilloscope clamp
22
3.4.2. Operation with the USB supply
 The clamp is "OFF". Connect the USB.
The storage battery charges  blinking every second; at the end of
charging, this LED remains lit.
 The clamp is "ON". Connect the USB, the storage battery is in permanent
trickle charging  the LED is lit permanently.
4. POWER SUPPLY
The clamp is powered either from the internal storage battery or from an external 5 VDC
supply connected to the Type B µUSB connector.
 Power supply: from the internal storage battery
Life between charges: from 7 to 8 hours of non-stop operation
Type: 1 1.2V NiMH AAA cell with soldered lug, connected by
connector
Life: 2 years minimum
Nr. of recharging cycles:  300
This type of storage battery can be procured from CHAUVIN ARNOUX.
 Power supply: from the Type B µUSB connector.
Max. consumption (with storage battery charging): <170mA
4.1. Recharging of the internal storage battery
 The internal storage battery can be recharged in the presence of an external
power source, with the clamp off.
A complete charging cycle lasts approximately 10 hours.
 If the clamp is in operation, only a trickle charge is applied, so the storage battery
keeps its charge, but it is not recharged in this case.
4.2. Cables
 Output: BNC coaxial cable 2m long
 Power supply: the power supply cable, 30cm long, has a female Type B µUSB
connector.