产品名称:GTD-5000气体检测仪

GTD-5000概述
◤ 采用内置采样泵实现有毒气体/氧气泄漏快速响应
◤ 采用内置微处理器实现自诊断功能
◤ 配有盒式传感器,更换更简便
◤ 采用数字流量传感器来保持固定流量
◤ 长期稳定的品质与久经验证的检测原理
◤ 检测低于TLV(阈限值)的有毒气体,表现优异性能
◤ 出色的LCD显示屏,显示各种信息
◤ 4位数气体浓度显示器
◤ 4-20mA 直流输出信号
◤ 通过RS-485 Modbus隔离串行数据通信或PoE轻松监测系统配置(选配)
◤ 2级警报、单故障显示与继电器触点输出
◤ 3线制
◤ 单人校准与维护
GTD-5000技术参数
| 型号 | GTD-5000Tx |
| 测量气体 | 氧气/有毒气体(一氧化碳、氯气、氨气等) |
| 测量方式 | 泵吸式 |
| 测量方法 | 半导体、电化学 |
| 响应时间 | T90 < 45秒 |
| 精度 | ±3% / 满量程 |
| 操作方式 | 前面板开关(校准、维护、警报设置) |
| 工作模式显示 | 4-LED(电源、2级警报、单故障) |
| 示值显示 | LCD显示屏(4位) |
| 警报信号输出 | 250V 1A / 3-单刀单掷开关(SPST)继电器触点(2-级警报、1-故障) |
| 输出信号 |
4 - 20mA 直流 RS-485 Modbus(选配)/PoE(以太网供电)(选配) |
| 采样方法 | 隔膜采样泵 |
| 采样管线 | 外径:1/4英寸(标配) |
| 流量 | 最大:0 ~ 1000ml/min |
| 电缆/距离 |
电力电缆 + 信号电缆:三线>1.5平方(AWG16)/ 最大1000米/ 热解器最大500米 RS-485数据通信电缆:1对(UL2919 RS-485)/最大:1000m PoE(以太网供电):最大100m 热解器类型:最大500米 |
| 导管连接 | 电缆密封套件(PG-16) |
| 安装类型 | 壁挂式安装 |
| 工作温度 | -20℃~ +60 ℃ |
| 运行湿度 | 5 - 99% RH(非冷凝) |
| 运行功率 |
标准:18 ~ 31伏 直流(常规为24伏 直流)/ 最大280mA 热解器(注1):18 ~ 31伏 直流(常规为24伏 直流)/ 最大520mA PoE(注2):48伏 直流±10% / 最大200mA |
| 材质 | 正面(聚碳酸酯)、侧面(钢铁) |
| 尺寸 |
标准型:70(宽)x 144(高)x 160(深)mm 热解器类型(PY-1000):70(宽)x 242.5(高)x 160(深)mm |
| 重量 |
标准型:2.5kg GTD-5000和PY-1000:4.05kg |
| 认证 | CE(EN50270:1999) |
| 备注1 | Polyzer(PY1000、PY2000)设备电流消耗 |
| 备注2 | 采用PoE供电时,若想使用热解装置,应提供24V直流电 |
▷ Fast response of flammable gases leakage with a high efficient pump inside
▷ Self diagnosis function with built-in Microprocessor
▷ Easy replacement with a cartridge type sensor
▷ Digital flow sensor to maintain regular flow rate
▷ Detection gas from low to high concentration owing to various detection principle
▷ Stable quality and proved detection principle for service life
▷ Fine LCD display for showing various information
▷ 4-digit digital gas concentration display
▷ 4-20mA DC output signal
▷ Easy configuration of monitoring by RS-485 Modbus isolated serial data
communication or PoE(Option)
▷ 2-stage alarm, 1-trouble display and relay contact output
▷ 3-wire connection for signal & power
▷ Calibration and maintenance by one-man
| INTELLIGENT & SAMPLING TYPE FLAMMABLE GAS DETECTOR | |
| Model | GTD-5000Ex |
| Measuring gas | Flammable gases (LNG, LPG, H2, Methane, Buthane & etc) |
| Measuring type | Diffusion type |
| Measuring method | Catalytic cell Hot wire semiconductor cell Thermal conductivity cell |
| Measuring range | 0~100% LEL 0~2000ppm 0~100% Vol |
| Response time | 〈15 sec / 90% scale |
| Accuracy | ±3% / Full scale |
| Parameter control | Front switch (calibration, maintenance, alarm setting) |
| Operation mode display | 4-LED (Power, 2-stage alarm, 1-trouble) |
| Measuring value display | LCD Display(4-digit) |
| Alarm signal output | 250V 1A / 3-SPST relay contact (2-stage alarm, 1-trouble) |
| Output signal | 4 - 20mA DC |
| RS-485 Modbus(Option) / PoE(Power over Ethernet)(Option) | |
| Sampling method | Diaphragm Pump |
| Sampling line | OD 1/4" (Standard) |
| Flow rate | 0 ~ 1,000 ml/min max |
| Cable/Distance | Power + Signal cable : 3-wire > 1.5sq(AWG16) / 2500m max |
| RS-485 data communication cable : 1 pair(UL2919 RS-485) / 1000m max | |
| PoE(Power over Ethernet) : 100m max | |
| Conduit connection | Cable gland(PG-16) |
| Mounting type | Wall mount |
| Operating temperature | -20℃ ~ +60 ℃ |
| Operating humidity | 5 to 99% RH (Non-condensing) |
| Operating power | Standard : 18 ~31V DC (24V DC normal) / 280mA max |
| PoE(NOTE 1) : 48V DC ±10% / 200mA max | |
| Material | Front(Poly carbonate), Sides(Steel) |
| Dimensions | Standard type : 70(W) ×144(H) × 160(D) mm |
| Weight | Standard type : 2.5kg |
| Approval | CE ( EN50270:1999 ) |
| NOTE 1 | DC 24V should be supplied if you want to use Pyrolyzer in case of using PoE power |
