MS400 EXTECH [Extech Instruments Corporation.], MS400 Datasheet - Page 6

• Manufacturer Part Number: MS400
• Description: Handheld Digital Storage Oscilloscope & Multimeter
• Manufacturer: EXTECH [Extech Instruments Corporation.]

● Always connect the power adapter first to the AC outlet before connecting
● Do not apply voltages that differ more than 400V from earth ground to any
● Do not apply voltages that differ more than 400V from earth ground to any
● Do not apply voltages that differ more than 400V from each other to the
● Do not apply voltages that differ more than 400V from each other to the
● Do not apply input voltages above the rating of the instrument. Use caution
● Do not use exposed metal BNC or banana plug connectors. Do not insert
● Always use the Oscilloscope & Multimeter only in the manner specified.
● Voltage ratings that are mentioned in the warning are provided as limits for
Only qualified technical personnel should perform maintenance.
Pay attention to the nominal values of all terminals: To avoid fire or electric
DO NOT operate this product without the instrument cover plate in place: If the
DO NOT come into contact with bare conductors: When the product is powered
DO NOT operate this product in case of any undetermined failure: When in
Keep the product well ventilated: Refer to the user manual for detailed installation
DO NOT operate this product in humid conditions.
DO NOT operate this product where explosives are handled or used.
Keep the product surface clean and dry.
it to the Oscilloscope & Multimeter.
input when measuring in a CAT III environment.
input when measuring in a CAT II environment.
isolated input when measuring in a CAT III environment.
isolated inputs when measuring in a CAT II environment.
when using 1:1 test leads because the probe tip voltage will be directly
transmitted to the Oscilloscope & Multimeter.
metal objects into connectors.
“working voltage”. The representative Vac rms (50-60Hz) indicates AC sine
wave applications and as Vdc for DC applications. Overvoltage Category III
refers to distribution level and fixed installation circuits inside a building.
Overvoltage Category II refers to local levels, which are applicable for
appliances and portable equipment.
shock, please keep a watchful eye on all nominal values and marks specified on
this product. Before any connections are made, carefully read the user’s manual
of the product for further information of nominal values.
cover plate or panel has been removed, do not perform any operations with this
product.
on, do not touch any bare joints or parts of the meter.
doubt of the cause of any damage to this product, consult qualified technical
personnel.
instructions. Make sure the product is operated in a well ventilated area.
6
MS400 Version 2.0 – December 2007