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LYT Series Temperature Signal Isolator
① Signal interference and data instability between instruments and systems.
② The interface signals between the instrument and the system are different, requiring signal conversion.
③ One-way signal transforms into multiple signals, supplying automated instruments and control systems.
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Product Description
Product Overview Product overview
The LYT series temperature signal isolator transmitter features inputs for thermocouples and resistance temperature detectors, providing isolated conversion to output either current or voltage signals. This product requires independent power supply and offers three-way isolation among input, output, and power terminals. It also includes an advanced online self-diagnostic function, allowing users to configure the temperature range, signal type, and output mode in case of signal failure—either via a PC or a handheld programmer.
Performance metrics TECHNICAL PARAMETERS
Power supply: 18VDC–32VDC, 85VAC–265V AC (90VDC–360VDC)
Operating power consumption: ≤0.7W (24V, single-channel full-load output) ≤1.3W (24V, dual-channel full-load output) ≤1.3W (220V, single-channel full-load output) ≤2.5W (220V, dual-channel full-load output)
Input signals: K, E, S, B, J, T, R, N thermocouples; Pt100, Cu100, Cu50, BA1, BA2 resistance thermometers, etc.
Lead resistance: ≤20 Ω (thermal resistor)
Output signals: Current: 0/4–20mA (dual channels support passive operation), 0–10mA; Voltage: 0/1–5V, 0–10V
Allowed loads: - 0/4–20mA: RL ≤ 550Ω - 0–10mA: RL ≤ 1.1kΩ - 0/1–5V: RL ≥ 1MΩ - 0–10V: RL ≥ 2MΩ Passive configuration: R < [(U - 3) / 0.02] Ω, where U is the loop voltage.
Accuracy: 1°C (compensated temperature range: -20°C to +60°C)
Conversion accuracy: 0.1% F.S. (25°C ± 2°C)
Temperature drift: 40 ppm/°C
Response time: ≤500ms
Electromagnetic Compatibility: IEC 61326-3-1
Dielectric strength: 2500 VAC (between input/output/power supply)
Insulation resistance: ≥100 MΩ (input/output/power supply)
Operating temperature: -20°C to +60°C
Storage temperature: -40°C to +80°C Output status: Unless otherwise specified by the user, the output will follow the input signal across the full measurement range, regardless of any fault conditions in the input signal—except for open-circuit scenarios, where the output will be 0 V/mA. However, the output must never exceed 110% of the upper limit of the output range (e.g., if the output range is 0 mA to 20 mA, the minimum output can be 0 mA, but the maximum will not surpass 22 mA).
External Dimensions and Wiring Diagram APPEARANCE OF SIZE
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Tianjin Ling Yu Technology Co., Ltd.
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