N3 频率变送器
一、产品特点
测量精度0.5级
可长期稳定运行
输入信号失真波形不影响测量精度
耐压 AC 2kV 1分钟
可不需要外部供电
可安装在35mm导轨条上
二、通用技术标准
| 参数 | 指标 |
| 等级指数 | 0.5级 |
| 使用环境温度 | -10°C ~ +55°C |
| 极限工作环境温度 | -25°C ~ +70°C |
| 温度系数 | 100ppm/°C (0.01%/°C) |
| 响应时间 | ≤400ms |
| 输入信号频率范围 | 45Hz~65Hz / 50Hz±5Hz |
| 交流电压输入负荷 | ≤0.1VA |
| 电压过负荷能力 | 1.5倍连续 |
| 满量程调整范围 | ≥5% |
| 零点调整范围 | ≥5% |
| 辅助电源 | AC/DC 85V~265V / DC 24V / DC 48V / DC 110V |
| 电源功耗 | ≤3VA |
| 输出纹波 | 不超过等级指数2倍 |
| 直流电压输出负载 | ≥2kΩ |
| 直流电流输出负载 | ≥500Ω (0~10mA) / ≥350Ω (4~20mA) |
| 绝缘阻抗 | ≥100MΩ |
| 介质强度 | AC 2kV 1min |
| 雷电冲击波 | IEC 61000-4-5 Level 3 |
三、选型说明
型号及参数填写示例：
N3 0.5级频率变送器
输入电压：100V
频率范围：45~55Hz
输出范围：4~20mA
辅助电源：自供电
选型：N3-0.5-F-100V-45-55Hz-4-20mA-SELF
选型参数表：
| 参数 | 选项 |
| 精度等级 | 0.5级 |
| 输入电压 | 57.7V / 100V / 220V / 380V |
| 频率范围 | 45~55Hz / 45~65Hz / 其他 |
| 输出范围 | 0~1V / 0~5V / 0~10V / 1~5V / 0~10mA / 4~20mA |
| 辅助电源 | 自供电 / AC 110V / AC 220V / AC 380V / DC 24V / DC 48V / DC 110V / 其他 |
N3 Frequency Transmitter
I. Features
Measurement accuracy Class 0.5
Long-term stable operation
Distorted input waveform does not affect measurement accuracy
Withstands AC 2kV for 1 minute
No external power required
Mountable on 35mm DIN rail
II. General Technical Specifications
| Parameter | Specification |
| Accuracy Class | Class 0.5 |
| Operating Temperature | -10°C ~ +55°C |
| Limit Operating Temperature | -25°C ~ +70°C |
| Temperature Coefficient | 100ppm/°C (0.01%/°C) |
| Response Time | ≤400ms |
| Input Frequency Range | 45Hz~65Hz / 50Hz±5Hz |
| AC Voltage Input Burden | ≤0.1VA |
| Voltage Overload Capacity | 1.5x continuous |
| Span Adjustment Range | ≥5% |
| Zero Adjustment Range | ≥5% |
| Auxiliary Power Supply | AC/DC 85V~265V / DC 24V / DC 48V / DC 110V |
| Power Consumption | ≤3VA |
| Output Ripple | Not exceeding 2 times accuracy class |
| DC Voltage Output Load | ≥2kΩ |
| DC Current Output Load | ≥500Ω (0~10mA) / ≥350Ω (4~20mA) |
| Insulation Resistance | ≥100MΩ |
| Dielectric Strength | AC 2kV 1min |
| Lightning Impulse | IEC 61000-4-5 Level 3 |
III. Ordering Information
Model and Parameter Example:
N3 Class 0.5 frequency transmitter
Input voltage: 100V
Frequency range: 45~55Hz
Output range: 4~20mA
Auxiliary power: Self-powered
Model: N3-0.5-F-100V-45-55Hz-4-20mA-SELF
Ordering Options:
| Parameter | Options |
| Accuracy Class | Class 0.5 |
| Input Voltage | 57.7V / 100V / 220V / 380V |
| Frequency Range | 45~55Hz / 45~65Hz / Other |
| Output Range | 0~1V / 0~5V / 0~10V / 1~5V / 0~10mA / 4~20mA |
| Auxiliary Power | Self-powered / AC 110V / AC 220V / AC 380V / DC 24V / DC 48V / DC 110V / Other |