Campbell Scientific CR1000 Data Logger • 16x analogue single-ended or 8 differential IN • 2x digital pulse counters IN • 8x digital IN/OUT • 3x analogue voltage OUT • 1x switched 12V OUT • RS232 • CS I/O PORT, SDI-12, Peripheral ports • CF-card, USB, LAN, WLAN (optional) • 2/4 Mbytes SRAM memory • Surge protection for all Inputs by gas discharge tube (GDT) • Surge protection for critical outputs by GDT or transient voltage suppression diodes • Power feeding protected by transzorb diodes • Grounding socket for electrostatic discharge (ESD) protection • The datalogger comes embedded into a mobile measurement system for ambient temperature measurements and includes: - power supply - temperature sensor - data logger programming Further options can optionally be booked, for example more sensors, (communication) interfaces and/or data logger programming.   Datasheet [TAB:Alternative Types]CR1000Cal CR1000X For further information please contact us or look at Documents.  [TAB:Documents]cr1000-manual-2015.pdf cr1000-Specifications.pdf Datalogger-b-overview.pdf For further information please contact us or check the OEM homepage for most recent information.