Product Overview AH501D 4-channel Bipolar Picoammeter with Analog Monitors and Bias Voltage The AH501D is the new high-resolution bipolar picoammeter with 4-channel simultaneous inputs, analog voltage monitors and an integrated bias voltage source. It has been especially designed as the turnkey solution for photon BPM systems as diamond detectors, ion chambers and blade gap-monitors. Features t From ± 2.5 nA to ± 2.5 mA current range t Up to 26 kHz sampling frequency t 24-bit ADC conversion t Analog voltage monitors t Integrated Bias voltage source (up to 30V) t Less than 200 fA full-scale range noise t 4-channel simultaneous sampling t Ethernet 10/100 standard interface Applications t Beam Position Monitoring t Ion Chambers Reading t pH - metering The AH501D is a 4-channel low noise and fast sampling rate bipolar picoammeter with an integrated bias voltage source and voltage analog monitors. It is composed by a transimpedance input stage for current sensing combined with a buffered output voltage circuit that allows users to monitor the input current behavior and level with a simple oscilloscope or a tester. This device performs bipolar current measurements from ±2.5 nA (with a resolution of 300 aA) up to ±2.5 mA (resolution of 300 pA) with a minimum sampling period of 38.4 μA (equivalent to 26 kHz, for 1 channel and a 16-bit resolution). t Ultra-Low Current Measurements t Diamond Detectors Readout t Radiation Monitoring The simultaneous sampling of the 4 independent channels makes this instrument ideal for beam position monitoring applications or multichannel acquisition. The presence of an internal lownoise (0.003% of full scale) voltage source, ranging from 0 to 30V, makes it extremely useful when using blade gap-monitors or diamond detectors needing a bias potential in order to increase the signal intensity and thus the signal-to-noise ratio. This built-in bias voltage source signal is available on a BNC connector and can also be set to a high-impedance state. The AH501D is housed in a light and extremely compact box that can be placed close to the signal sources in order to reduce cable lengths and to minimize possible noise pick-up on the biasing and measuring signal paths. Low temperature drifts, good linearity and very low noise levels enable users to perform very high precision current measurements. The AH501D picoammeter has an Ethernet 10/100 communication interface (TCP-IP and UDP) that allows easy instrument control with several programming languages and operating systems. The AH501D has an external TRIGGER/ GATE input signal on a coaxial LEMO connector in order to synchronize the acquisition of the picoammeter with external events (e.g. laser triggering). Furthermore, as for the other members of the CAENels picoammeter family, digital samples can be transferred either using ASCII format or RAW binary data format for fast data transmission. About CAENels CAENels is a dynamic company that provides power supplies and state-of-the-art Technical Specifications dedicated electronic systems to the particle accelerator community - e.g. synchrotron light sources and Free Electron Laser (FEL) facilities. t .BHOFU1PXFS4VQQMZ4ZTUFNT t #FBNMJOF&MFDUSPOJD*OTUSVNFOUBUJPO t 1SFDJTJPO$VSSFOU5SBOTEVDFST t )JHI7PMUBHF%FEJDBUFE4ZTUFNT CAEN els d.o.o. Input Channels Current Measuring Range Voltage Monitors Current Polarity Data rate Resolution Bits Noise (@RNG2, CIN = 5pF) Communication Interface I/O Signal Supply Voltage Bias Voltage Output Bias Voltage RMS Noise Dimensions Weight Input Connectors Voltage Monitor Connectors Status Indicators 4 from ±2.5 nA to ±2.5 mA Yes (±5 V) bipolar up to 26 ksamples/s 16 or 24 150 fA (typ.) Ethernet 10/100 TCP/IP and UDP TRIGGER/GATE input, CONV output from ±6 V to ±15 V 0 to 30 V 0.003% 155 x 165 x 50 mm 500 g BNC LEMO 5 LEDs Kraška ulica, 2 6210 - Sežana Slovenija Phone +386 (0)5 7313 585 Fax +386 (0)5 7313 587 [email protected] www.caenels.com AH501D Rear view Copyright © CAENels d.o.o. - 2013 All rights reserved. Information in this publication supersedes all earlier versions. Specifications subject to change without notice. Printed in May 2013