Intelligent digital display alarm device

NegotiableUpdate on 01/31

Model

Nature of the Manufacturer: Producers

Product Category

Place of Origin

Online Consult

Overview

The intelligent digital display alarm displays the measured value (PV) and set value (SV) using dual row or single row four digit LEDs, and simulates the percentage of measured value using a single or dual color light column.

Product Details

1、 SR-XMTA-1000 seriesIntelligent digital display alarm deviceTable performance characteristics

1. The integrated instrument chip has more reliable anti-interference and stability.

2. Signal input can be matched with commonly used thermal signals through menu settings.

3. The display range, transmission output range, alarm value, and alarm mode can be modified online.

4. The anti-interference mode combining software and hardware effectively suppresses on-site interference signals.

5. Digital calibration technology, without adjustable components such as potentiometers.

6. Automatic compensation for thermocouple cold junction temperature and thermal resistance lead resistance.

7. It can provide power distribution function for external two - and three wire transmitters.

8. Capable of transmitting and outputting with optoelectronic isolation.

9. Equipped with light column simulation display function.

10. Equipped with RS232 or RS485 communication function, it can be connected to the upper computer to form a data acquisition system and control system.

IIIntelligent digital display alarm deviceTechnical indicators1. Display method: Display the measured value (PV) and set value (SV) using dual row or single row four digit LEDs, and simulate the percentage of measured value using a single or dual color light column.

2. Display range: -1999 to 9999.

3. Measurement accuracy: ± 0.2% FS ± 1 word or 0.5% FS ± 1 word; ± 0.1% FS ± 1 word (requires special customization).

4. Resolution: Last word.

5. Input signal:

Thermocouples: K, E, S, B, J, T, R, N; The automatic compensation range for cold end temperature is 0-50 ℃, with a compensation accuracy of ± 1 ℃.

Thermal resistance: Pt100, Cu100, Cu50, BA2, BA1; The compensation range for lead resistance is ≤ 15 Ω.

DC voltage: 0-20mV, 0-75mV, 0-20mV, 0-5V, 1-5V; 0-10V (required for ordering, incompatible with other signals).

DC current: 0-10mA, 0-20mA, 4-20mA.

Linear resistance: 0-400 Ω (remote pressure gauge).

Frequency: 0.1Hz-10KHz. (This function needs to be separate and is not compatible with other signal inputs).

6. Transmission output accuracy: same as measurement accuracy.

7. Analog input impedance: current signal Ri=100 Ω; voltage signal Ri=500K Ω.

8. Simulated output load capacity:

Current signal: Ro ≤ 750 Ω for 4-20mA output; Ro ≤ 1.5K Ω for 0-10mA output.

Voltage signal: The input impedance Ri of the external instrument is required to be ≥ 250K Ω, otherwise the output accuracy after connecting the external instrument cannot be guaranteed.

9. Distribution output: DC24 ± 2V 30mA.

10. Alarm mode: 1-4 alarm control channels (lower limit SP4, lower limit SP2, upper limit SP1, upper limit SP3), LED indication.

11. Alarm accuracy: ± 1 word.

12. Protection method: Input circuit disconnection, input signal over/under range alarm.

13. Communication method: RS232 or RS48514. Communication distance: 1km.

15. Setting method: Panel touch button numerical setting, set value power off * save.

16. Operating environment temperature: -10~55 ℃; Environmental humidity: 10-90% RH.

17. Voltage resistance: Input/output/power/communication ≥ 1000V.AC for 1 minute.

18. Insulation impedance: Input/output/power/communication ≥ 100M Ω.

19. Power supply: Switching power supply: AC: 85-265V, frequency: 50Hz/60Hz;

20. Linear power supply: AC: 220V ± 10V, frequency: 50Hz ± 2Hz;

21. DC power supply: 24V ± 2V.

22. Power consumption:<5W.