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ASPRC-H71D
- Commodity name： ASPRC-H71D
- Input： Resistance thermometer
- Number of channels： One in, two out
- Output： 1:1 resistor,0/4–20 mA (supports passive operation),0–10 mA,0/1–5 V,0–10 V
- Power supply mode (both can be centralized power supply)： 24VDC
Product Details
- Product Description
-
Product Introduction
Resistance transmitter: converts resistance signals into isolated output currents, voltages, or 1:1 resistance signals. This product requires an independent power supply and features three-terminal isolation between input, output, and power.
Technical Specifications
- Power supply: 18 VDC to 32 VDC, with reverse polarity protection.
- Operating power consumption: ≤1W
- Input signals: Pt100, Cu100, Cu50, BA1, BA2, and other resistance temperature detectors.
- Lead resistance: ≤20 Ω per lead
- Output signal:
Output 1: 1:1 resistive signal
Output 2: Current: 0–4 to 20 mA (passive support), 0–10 mA; Voltage: 0–1 to 5 V, 0–10 V - Permissible load: Passive: RL < [(U − 3) / 0.02] Ω; where U is the loop supply voltage.
0/4–20 mA: RL ≤ 550 Ω; 0–10 mA: RL ≤ 1.1 kΩ; 0/1–5 V: RL ≥ 1 MΩ; 0–10 V: RL ≥ 2 MΩ - Excitation current: 0.1 mA to 10 mA
- Conversion accuracy (25°C ± 2°C):
Output 1 Lateral excitation current Accuracy 0.5mA～10mA ±0.1% F.S or <0.2Ω (whichever is greater) 0.1mA～0.5mA Maximum 1.5Ω Note The accuracy of resistance measurement decreases as the excitation current diminishes. Output 2 Measurement range Accuracy <100℃ ±0.1℃ ≥100℃ ±0.1%F.S - Temperature Drift: 30 ppm/°C
- Response time: ≤500 ms
- Electromagnetic Compatibility: IEC 61326-3-1
- Dielectric Strength: ≥2500 VAC (between input, output, and power supply)
- Insulation resistance: ≥100 MΩ (between input, output, and power supply)
- Operating temperature: -20°C to +60°C
- Dimensions: Width 17.7 mm × Height 110 mm × Height 118.9 mm
- Panel description: PWR: green power indicator; OUT1, OUT2: red fault indicators.
- Output status: Unless otherwise specified by the user, regardless of the fault condition of the input signal (except for open‑circuit conditions—output 1 is approximately 16 Ω, and output 2 is 0 V/mA)—the output impedance remains at 430 Ω up to the upper limit of the output range. For example, if output 2 operates in a 0 mA to 20 mA range, it tracks the input signal across the full scale; for output 1, the minimum output can be 0 mA and the maximum does not exceed 22 mA.
Product Introduction
Resistance transmitter: converts resistance signals into isolated output currents, voltages, or 1:1 resistance signals. This product requires an independent power supply and features three-terminal isolation between input, output, and power.
Technical Specifications
- Power supply: 18 VDC to 32 VDC, with reverse polarity protection.
- Operating power consumption: ≤1W
- Input signals: Pt100, Cu100, Cu50, BA1, BA2, and other resistance temperature detectors.
- Lead resistance: ≤20 Ω per lead
- Output signal:
Output 1: 1:1 resistive signal
Output 2: Current: 0–4 to 20 mA (passive support), 0–10 mA; Voltage: 0–1 to 5 V, 0–10 V - Permissible load: Passive: RL < [(U − 3) / 0.02] Ω; where U is the loop supply voltage.
0/4–20 mA: RL ≤ 550 Ω; 0–10 mA: RL ≤ 1.1 kΩ; 0/1–5 V: RL ≥ 1 MΩ; 0–10 V: RL ≥ 2 MΩ - Excitation current: 0.1 mA to 10 mA
- Conversion accuracy (25°C ± 2°C):
| Output 1 | Lateral excitation current | Accuracy |
| 0.5mA～10mA | ±0.1% F.S or <0.2Ω (whichever is greater) | |
| 0.1mA～0.5mA | Maximum 1.5Ω | |
| Note | The accuracy of resistance measurement decreases as the excitation current diminishes. |
| Output 2 | Measurement range | Accuracy |
| <100℃ | ±0.1℃ | |
| ≥100℃ | ±0.1%F.S |
- Temperature Drift: 30 ppm/°C
- Response time: ≤500 ms
- Electromagnetic Compatibility: IEC 61326-3-1
- Dielectric Strength: ≥2500 VAC (between input, output, and power supply)
- Insulation resistance: ≥100 MΩ (between input, output, and power supply)
- Operating temperature: -20°C to +60°C
- Dimensions: Width 17.7 mm × Height 110 mm × Height 118.9 mm
- Panel description: PWR: green power indicator; OUT1, OUT2: red fault indicators.
- Output status: Unless otherwise specified by the user, regardless of the fault condition of the input signal (except for open‑circuit conditions—output 1 is approximately 16 Ω, and output 2 is 0 V/mA)—the output impedance remains at 430 Ω up to the upper limit of the output range. For example, if output 2 operates in a 0 mA to 20 mA range, it tracks the input signal across the full scale; for output 1, the minimum output can be 0 mA and the maximum does not exceed 22 mA.
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