OMEGA D8300 USB数据采集接口模块 (Thermocouple, 0 to 20 mA, 4 to 20 mA, USB)

Width: 152 mm

Height: 102 mm

Length: 38 mm

Memory: EEPROM

Accuracy: ± 1.5 °C (± 2.7 °F)

Isolation: 500 Vac, Input common to System ground

Materials: ABS

Input Type: Thermocouple

Mounting Note: 165 mm on center

Output Signal: None

Data Interface: USB

Digital Filter: Programmable

Supply Voltage: 10 to 30 Vdc

Analog I/O Note: Analog Input Note: Thermocouple: Number of Channels: 7 differential thermocouple inputs, Thermocouple Types: J, K, T, E, R, S, B, and C, Thermocouple Accuracy (Error From all Sources) from 0 to 40°C Ambient: J, K, T, E = ±1.5°C maximum; R, S, B, C = ±3.5°C maximum; (300°C to +F.S.), Resolution ADC: 16-bit ADC, 25/20 conversionsper second, Input Impedance: 20 MΩ min, Cold Junction Compensation: Automatic, Lead Resistance Effect: <40 µV per 350 Ω, Indication: Open thermocouple and over range indication, Input Burnout Protection: To 250 Vac, Power Requirements: Serial = 1.4W

Conversion Rate: 25/20 conversions/sec

Impedance Input: 20 MΩ min

Pull-up Resistor: 10 kΩ

Electrical Output: 0 to 20 mA, 4 to 20 mA

Relative Humidity: 0 to 95% RH non-condensing

Supply Power Note: Power Requirements: Serial = 1.4 W

Supply Power Type: DC

Input Voltage Note: Absolute Maximum Input Voltage: ±10V

Common Mode Voltage: Input to Output at 115 Vrms, 60 Hz: 500 Vrms

Data Interface Note: Modbus RTU protocol;Configuration Method: Modbus

Output Settling Time: 0.1% FS: 1 ms

Electrical Connection: Screw Terminal

Lead resistance effect: Thermocouple: <40 µV/350 Ω

Storage Temperature, Max: 85 °C

Storage Temperature, Min: -25 °C

Number of Channels, Input: Analog: 7 DIFF

Number of Channels, Output: None

Operating Temperature, Max: 70 °C

Operating Temperature, Min: -25 °C

Datasheet