Products Description




| Company Information | |||
| [email protected] | |||
| Mobile | +8613950166376 | ||
| +8613950166376 | |||
| 13950166376 |

Technical Specifications
| Parameter | Specification |
|---|---|
| Model | SAI143 |
| Number of Input Channels | 16 channels, module isolation |
| Rated Input Range | 4 to 20 mA |
| Permissible Input Range | 0 to 25 mA |
| Input Impedance (Power ON) | 250 Ω + voltage drop (varies 272.5–362.5 Ω) |
| Input Impedance (Power OFF) | ≥500 kΩ |
| Rated Accuracy | ±16 µA (Input range 1 to 23 mA or 0.05 to 23 mA depending on type) |
| Data Update Frequency | 40 ms |
| Temperature Drift | ±16 µA/10 °C |
| Transmitter Power Supply | 16.15 V min (at 20 mA), 26.4 V max (at 0 mA), current limit 25 mA |
| 2/4-wire Setting | Individual channel configurable |
| Withstand Voltage | 1.5 kV AC between input and system for 1 minute |
| Maximum Current Consumption | 5V: 320 mA; 24V: 550 mA |
| External Connection | Pressure clamp terminal / MIL cable / dedicated signal cable |
| Dimensions | 130 × 107.5 × 32.8 mm |
| Weight | Approx. 0.34 kg (pressure clamp/MIL) / Approx. 0.39 kg (with signal adapter) |
| Data Update Frequency | 40 ms |
| PRM Support | Available on SAI143-H |
| Transmitter Power ON/OFF Function | Available (in 2-wire setting, all 16 channels simultaneously) |
FAQ
FAQ
Q1: What input signal range does the SAI143 support?
A1: The module supports standard 4 to 20 mA input signals, with a permissible range of 0 to 25 mA.
Q2: How many input channels does each module provide?
A2: Each SAI143 module provides 16 isolated input channels.
Q3: What is the rated accuracy of the module?
A3: The rated accuracy is ±16 µA within 1–23 mA or 0.05–23 mA input range (depending on model).
Q4: Does the module support HART communication?
A4: Yes, the SAI143-H model supports HART communication.
Q5: What is the input impedance of the module?
A5: Input impedance is 250 Ω plus internal voltage drop when powered on, and ≥500 kΩ when powered off.
Q6: Can the module be configured for 2-wire or 4-wire?
A6: Yes, each channel can be individually set to 2-wire or 4-wire mode.
Q7: What is the withstand voltage of the module?
A7: The module can withstand 1.5 kV AC between input and system for one minute.
Q8: What are the dimensions and weight of the module?
A8: The module measures 130 × 107.5 × 32.8 mm and weighs approx. 0.34 kg (pressure clamp/MIL), or approx. 0.39 kg with signal adapter.
Tags
Packing & Delivery
We will use wear-resistant cartons to seal the boxes, and take photos for your confirmation before sealing. We will pack the boxes only after confirmation.
For express delivery, we will use DHL, UPS, TNT, FedEx and EMS.
Please rest assured that we have a deep cooperation with express delivery companies and can ensure that your goods are delivered to you in good condition.
