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Thermocouple temperature transmitter HD978TR1-HD978TR1
Thermocouple temperature transmitter HD978TR1-Sakaki Corporation Co., Ltd.

Thermocouple temperature transmitter HD978TR1
Sakaki Corporation Co., Ltd.

Sakaki Corporation Co., Ltd.'s Response Status

Response Rate

100.0%

Response Time

8.0hours

Fast Response


About This Product

■Summary

・DC4~20mA output thermocouple (K・J・T・N) temperature transmitter ・Thermocouple input scaling possible ・DIN rail mounting type ・RS232C・PC control, free software The HD978TR1 and HD978TR2 are 2-wire, 4-20mA output temperature transmitters with scalable K, J, T, and N thermocouple inputs. Converts the voltage signal from a thermocouple into a linear 4-20mA analog output signal. Adoption of digital devices achieves excellent accuracy and stability. The temperature range corresponding to the 4-20mA (or 20-4mA) output can be freely scaled within the measurement range of each thermocouple (minimum span is 50°C). Thermocouple range and type can be easily set with dip switches. The transmitter is equipped with an LED that is very useful as it alerts you to alarm conditions (such as a bad sensor connection) during configuration operations. The transmitter also has reverse polarity protection. HD978TR1 and HD978TR2 are suitable for mounting on 35mm DIN rails. In addition to the 4-20mA analog output, the HD978TR2 features a 3½-digit (10mm character height) digital display to display the measured temperature.

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    Thermocouple temperature transmitter HD978TR1

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1 Models of Thermocouple temperature transmitter HD978TR1

Image Part Number Price (excluding tax) Effects of power supply voltage fluctuations Load resistance Accuracy Measuring range (thermocouple) Standard setting range Minimum measurement span Connection Conversion speed Operating/storage temperature Resolution Output type Cold junction temperature range Input/output isolation Power supply Preheating time Linearization Sensor LED (red) display
Thermocouple temperature transmitter HD978TR1-Part Number-HD978TR1

HD978TR1

Available upon quote

0.4μA/V

RLmax = (Vdc-9) /0.022
At RLmax = 680Ω, Vdc = DC24V

±0.04%FS±0.04%rdg or 0.5℃ (whichever is larger)

K: -200~+1,200℃ T: -200~+300℃ J: -200~+800℃ N: -200~+1,200℃

Tc=K, range=0~1,000℃

50℃

2 wire system

2 times/second

Operating temperature: 0~70℃, storage temperature: -40~+80℃

4μA

4~20mA (or 20~4mA), 22mA output for poor connection or abnormality of 2-wire connected sensor

0~70℃

DC50V (confirmed at 250V)

DC9~30V (with reverse polarity protection)

2 minutes

EN60584-1-2, ASTM E230-ANSI (MC96-1)

Thermocouple K, J, T, N

Lights up during setting operation, thermocouple abnormality, or disconnection.

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About Company Handling This Product

Response Rate

100.0%


Response Time

8.0hrs

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