JC-218 LCD Isolation Intelligent Temperature Transmitter
JC-218 LCD isolation intelligent temperature transmitter is used for RTD, thermocouple (TC), resistance (Ω), voltage (mV) signal input, two-wire system 4-20mA analog output, and the configuration is via RS485 (MODBUS RTU protocol) or HART protocol.
- Price Term: FOB/CIF/EXW/DAP
- Package: Exported Wooden case or according to customer request
- Delivery Time: 7 to 10 working days
- Transports: By sea, by air, by high express
- Shipment Port: Shanghai Port
- Origin of Place: Jiangsu
- Warranty: 12 Months
- Specification
- Instrument selection
- Structural profile
- Configuration diagram
- Wiring diagram
Technical parameters
| Input | |
| Input signal | RTD, thermocouple, resistance (Ω) |
| Cold-end compensation temperature range | -20～60℃ |
| Compensation accuracy | ±1℃ |
| Output | |
| Output signal | 4～20mA, or 4～20mA plus HART protocol |
| Load resistance | RL≤(Ue-12)/0.022 |
| Overflow alarm output current at the upper and lower limits. | IH=21mA, IL=3.8mA |
| Input disconnection alarming output current | it can be set. |
| Power source | |
| Power supply voltage | DC12～40V |
| Other parameters | |
| Transmission accuracy (20℃) | 0.1%FS |
| Temperature drift | 0.0075%FS/℃ |
| Response time | 700ms reaches 90% of the final value. |
| Ambient temperature in use | -40～80℃ |
| Storage temperature | -40～100℃ |
| Insulation strength (between input and output) | 1500Vrms (1min, no sparkle) |
| Insulation resistance (between input and output) | ≥100MΩ (at 500VDC) |
| Electromagnetic compatibility | In compliance with GB/T 18268 Industrial Equipment Application Requirements (IEC 61326-1). |
Input type list:
| Model | Type | Measurement range | Minimum measurement range |
| RTD | Pt100 | -200～850℃ | 10℃ |
| Cu50, Cu100 | -50～150℃ | 10℃ | |
| Resistance signals(Ω) | Resistance sensor | 0～4000Ω | 10Ω |
| Thermocouple (TC) | B | 400～1820℃ | 500℃ |
| E | -270～1000℃ | 50℃ | |
| J | -210～1200℃ | 50℃ | |
| K | -270～1372℃ | 50℃ | |
| N | -270～1300℃ | 50℃ | |
| R | -50～1768℃ | 500℃ | |
| S | -50～1768℃ | 500℃ | |
| T | -270～400℃ | 50℃ |
Remark: Resistance signals need special customization.
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