Customization: | Available |
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Task: | Adjust |
Structure: | Combination |
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<1>. NPEXA-G21 PT100 input safety barrier transmits RTD signal from hazardous area into current or voltage signals to safe area.
<2>. The input, output and the power supply ports are galvanically isolated from each other.
<3>. This safety barrier is an intelligent product with online self-diagnosis function.
<4>. Customer may set the type and the range of the input or the output signals with a specific handheld programmer we provide.
Explosive-proof grade: [Ex ia Ga]IIC |
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Input |
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Input signal |
2 wire or 3 wire RTD (Pt100, Cu100, Cu50, BA2, BA1 etc) |
Output | |
Output signal |
Current: 0(4)mA~20mA;0mA~10mA; Voltage: 0(1)V~5V;0V~10V; Signal type is customizable, and specified at product label. |
Output load capacity |
0(4)mA~20mA: ≤550Ω; 0mA~10mA:≤1.1KΩ; |
Output ripple |
< 5mVrms (Load 250Ω) |
Other Parameters | |
Accuracy(at 25ºC±2ºC) | If measurable range <100ºC: ±0.1ºC; If measurable range ≥100ºC: ±0.1%F.S; |
Response time | ≤0.5s |
Temperature drift | 40ppm/ºC |
Lead resistance | ≤20Ω per lead |
Full load power consumption | 0.4W (24V power supply, single output); 0.6W (24V power supply, double output); |
Power supply | 18V DC~32V DC (Recommended voltage: 24V DC) |
Dielectric strength: (1mA leakage current, 1 minute test time) |
≥3000V AC (between Intrinsically safe and Non intrinsically safe); ≥1500V AC (between Non intrinsically safe and Non intrinsically safe); |
Insulation resistance | ≥100MΩ (between input-ouput-power) |
EMC | IEC61326-3 |
Ambient Conditions |
Operating temperature range: -20~+60ºC |
Relative humidity: 10%~90%RH (40ºC) | |
Operating atmosphere pressure: 80~106kPa | |
Storage and delivery temperature: -40~+80ºC |
Parameters certified by China National Quality Supervision and Test Centre for Explosion Protected Electrical Products (CQST)
Um =250V AC/DC; Between terminal 1 & 2 &3; Uo=8.7V, Io=90mA, Po=196mW
IIC | IIB | IIA | |
Co | 3.37μF | 47.4μF | 997μF |
Lo | 9.5mH | 28.5mH | 76mH |
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