Ultra-Stable Multi-Channel Current Source

Overview

GPS Data Acquisition System is a 4-channel GPS-time disciplined system offering acquisition of analog data with absolute time precision at a level of 200 ns.

GPS Data Acquisition System is a 4-channel GPS-time disciplined system offering acquisition of analog data with absolute time precision at a level of 200 ns.

Analog channel
Number of channels: 4
Input range: ±1.25 V, ±2.5 V, ±5 V, ±10 V
Resolution: 16 bit
Noise: 1 LSBrms
Sampling rate: 1 S/s to 1000 S/s (1-2-5 sequence)
Input impedance: 1 MΩ

Digital sensors
Magnetic sensor
Type: GMR
Field range: ±88 μT, ±130 μT, ±250 μT, ±400 μT, ±470 μT, ±560 μT, ±810 μT
Sampling rate: 1 S/s to 50 S/s (1-2-5 sequence)
Temperature sensor
Type: DS18B20
Temperature range: -55⁰C - 125⁰C
Sampling rate: 1 S/s

Time synchronization
Time frame: GPS or UTC
Absolute time precision: ±200 ns

Memory
Type: SD card
Capacity: Switchable (4 GB preinstall)
File system: FAT32

Time referencing
External pulse precision ±80 ns + GPS antenna-cable delay (4 ns/m)

Communication
Computer communication: USB