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ESD Test Setup for Helicopters
MIL-STD-331D, NATO AECTP-250 ESD 300kV

Helicopters and aircrafts can be electrically charged by flying through the air and by collisions with rain or snow. Additionally rain drops and snowflakes can also generate damage and disturbance known as precipitation static (P-static).

Montena has developed a system for electrostatic discharges (ESD) up to 300 kV, to test personnel and helicopter-borne electrostatic parameters according to MIL-STD-331, MIL-STD-464 or NATO AECTP-250 leaflet 253. This test equipment simulates various parameters such as ESD from personnel to munitions, helicopter landing, in-flight refuelling and static precipitation. The equipment is built on two separate movable trolleys with the discharge electrode mounted on a piston which is adjustable in height and tilt.

Advantages

• Multi-purpose movable test equipment on separate trolleys
• Electrode adjustable in height (from 1 to 6 meters) and angle ( ± 60°)
• Remote controlled operation for hazardous tests
• Positive and negative polarity available
• Pulse current measurement
• Possible charging of the EUT with the electrode grounded
• Additional P-static test setup in option

	EQUIPMENT	REFERENCE	SPECIFICATIONS
ESD generator	Generator	PGESD-300K-DP	Output voltage ranging from 25 to 300 kV
	Discharging electrode	ESD-DE-300K	1m travel distance, mast height: 2 m or 4/6 m, ±60° tilt with pneumatic piston
Generator accessories	High voltage resistor	ESD-R500-300K	Optional 500 Ω discharge resistor
Measurement equipment
	Shielded box	SB3G	Enclosure to protect the oscilloscope from the EM pulse
	Oscilloscope	OD2C100M	100 MHz bandwidth, 1 Gs/s, 2 channels
	Software		Montena Pulse Control software
P-static simulator	Power supply + rod	PST-70K	Precipitation static test setup

Standards compliance chart

MIL-STD-331C, MIL-STD-331D

MIL-STD-464C

British Defence Standard 59-411 part 2

NATO AECTP-500

NATO AECTP-501

NATO AECTP-511

NATO AECTP-250 leaflet 253 (former STANAG 4235)

NATO AECTP-500 leaflet 508 (former STANAG 4239)

STANAG 3516

STANAG 4435, 4436, 4437