Module thu thập dữ liệu cấp nguồn USB cho tín hiệu quá trình cặp nhiệt điện OMEGA OMB-DAQ-55 (Thermocouple, Voltage, Analog: 5 DE, 10 SE, Frquency/Pulse: 2, Digital: 8)

CMRR: >120 dB @ 60 Hz

Width: 92 mm

Height: 45 mm

Length: 182 mm

Accuracy: ± 0.5 °C

Software: DASYLab®, and LabVIEW®

Bandwidth: DC to 1 MHz

Isolation: 500V from PC

Input Type: Thermocouple, Voltage

Digital Input: Digital: Low <1.3 Vdc

Output Signal: Digital

Sampling Rate: 80 Hz (80 updates/second)

A/D Conversion: 22-Bit A/D

Data Interface: Ethernet

Supply Voltage: 6 to 16 Vdc

Analog I/O Note: Analog Input Note: Analog Specifications;Each channel is configurable for single-ended or differential, Volts, or thermocouple inputs;Thermocouple Accuracy;In very slow mode, 22 bit resolution, includes cold junction compensation error;J (±1.1°C), K (±1.2°C), T (±1.1°C); E (±1.0°C), R (±2.5°C), S (±2.6°C), B (±3.3°C), N (±1.5°C);Cold Junction Compensation Accuracy: (±0.5°C),;Over-Voltage Protection: ±45 V relative to analog Lo;AC Common Mode Rejection: >120 dB @ 60 Hz;Channel-to-Channel Crosstalk: <-120 dB (DC to 100 Hz);;Accuracy;OMB-DAQ-55/56: 0.015% of reading +0.002% of range (exclusive of noise);Input Resistance: >10 M Ohm (SE), >20 M Ohm (DE);Bias Current: <1 nA (0-35°C)

Digital I/O Note: Digital Output Maximum Switch Voltage:0 to +15 Vdc (20 V for <1 minute) Maximum Switch Current: 150 mA/output continuous, 500 mA/output peak (<100 µs),150 mA total continuous (per bank of 8 outputs) Output Resistance: 10 Ohms max;Cross talk: <-120 dB (DC to 100 Hz);Sink Current: 150 mA

Input Resistance: >10 MΩ (SE), >20 MΩ (DE)

Pull-up Resistor: 27 KΩ to 5V for Switch or Relay Sensing

Output Resistance: 10 Ω

Relative Humidity: 0 to 95% RH non-condensing

Supply Power Note: Powered from USB, or from external 6 to 16 Vdc when used with a bus powered hub

Supply Power Type: DC/USB

Data Interface Note: Supported Operating System: Microsoft Windows®XP SP2 / VISTA/7

Input Configuration: Connected Software

Configuration Parameters: Open-Collector Driver, Schmitt-Trigger Input, User-Configurable Input/Output

Number of Channels, Input: Analog: 5 DE, 10 SE, Frquency/Pulse: 2, Digital: 8

Voltage Measurement Range: ±20V, -10 to 20V, ±10V, ±5V, ±4V, ±2.5V, ±2V, ±1.25V, ±1V, ±625 mV, ±500 mV, ±312 mV, ±250 mV , ±156 mV , ±125 mV, ±62 mV, ±31 mV, Differential, Single ended

Number of Channels, Output: Digital: 8

Operating Temperature, Max: 50 °C

Operating Temperature, Min: 0 °C

Datasheet