Pulser Specifications
Pulser	Pulser Voltage	25 to 200 Volts	25 Volt
	Pulser Rise Time	~6 ns	N/A
	Pulser Width	20 nsec to 500 nsec	2 nsec
	Pulser Damping	50Ω to 660Ω in 8 steps	N/A
	Pulse Repetition Frequency	1 Hz to 20 kHz	1 Hz
Receiver Specifications
Receiver Amplifiers	Gain	- 12 to 70 dB	0.25 dB
		*Max DAC plus main gain is 110 dB
	Input Noise	2 nV typical	N/A
	Gain Linearity	Better than 0.25dB	N/A
	Input Impedance	660 Ω	N/A
	Bandwidth	.75 MHz to 25 MHz (-3 dB)	N/A
	Channel Crosstalk	< 60dB between channels at 2 MHz
Filters	Analog Filters	0.75 MHz to 12 MHz (-3 dB) Bandpass Filter	Discrete selection
		2.5 MHz to 18 MHz (-3 dB) Bandpass Filter
		3 MHz to 22 MHz (-3 dB) Bandpass Filter
		3 MHz to 25 MHz (-3 dB) Bandpass Filter
		0.5 MHz Bandpass Filter
		1 MHz Bandpass Filter
		2 MHz Bandpass Filter
		4 MHz Bandpass Filter
		5 MHz Bandpass Filter
		10 MHz Bandpass Filter
Distance Amplitude Correction	DAC Dynamic Range	0 to 70 dB	0.25 dB
		*Max DAC plus main gain is 110 dB
	DAC Trigger	Transmit pulse or material interface echo	User selectable
	No of DAC curves	256 utilising up to 32 kbytes
	DAC update	40 dB/µsec
	DAC Clock Rate	1.5625 MHz to 25 MHz	5 settings
Digitizer and Digital Processing
Digitizer	ADC Resolution	12 bits	N/A
	ADC Rate	25, 50, and 100 MHz	User selectable
Rectification	Rectification	No Rectification Fullwave +ve halfwave -ve halfwave	Discrete selection
	Post Rectification Filter	None and 7 selectable settings
Hardware Gates	Gates	4 gates utilizing up to 32 kbytes
	Gate Delay	64 k sample points from trigger or I/F echo
	Interface Echo	Hardware interface trigger for gate and DAC
Digital Processing	Hardware Peak Processing	Up to 80 peaks (N + largest), first peak, largest peak
	Averaging	2 to 256 real-time
	Output Options	Peak processed data or full digitized waveform
	Threshold	160 to 4095	1
	Gain Reduced Firing	Selectable to be triggered on saturation with programmable adjustment level
General Specifications
Interfaces	Control Interface	100 Base-T Ethernet , Gigabit Ethernet
	Digital Encoders	2 axes of differential quadrature inputs accepting 5 Volt encoders at rates of up 700 kHz
	Analog Encoders	2 channels. 0-5V (1MΩ input impedance) up to 100Hz signal
Connections	UT Connectors	Coaxial LEMO EPS 00.250.NTN Suitable mating connector: LEMO FFA.00.250.CTAC29
	Control Connector	IP67 rated 9-pin D-Sub
	Encoder Connector	LEMO EXG.1B.310.HLN Suitable mating connector: LEMO FGG.1B.310.CLAD62
	Aux. Power Connector	LEMO EXG.0B.302.HLN Suitable mating connector: LEMO FGG.0B.302.CLAD62
Physical	Case Size	160 mm x 45 mm x 108.5 mm
	Power Supply	48 V DC from Ethernet (Class 3) or separate supply (48 V 300 mA)
	Power Consumption	10 W Max
	Weight	550g
Environmental	Enclosure	IP67 (No dust ingress, temporary immersion up to 1 m depth)
	Temperature	Operating: 0 to 40 °C Storage: -20 to 70 °C
	EMC	EN61326
	Safety	EN61010

The following options can be specified when ordering MicroPulse LT instruments:

Dynamic Range Expansion - DRE option
8-Channel instruments may be ordered with the DRE option. Operation is selectable for normal mode with 8 active channels or DRE enabled with 4 active channels.

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