意大利 ADEV MiniProbe M7873 氧化锆烟气分析仪
意大利 ADEV MiniProbe M7873 氧化锆烟气分析仪
自热探头，设计用于测量烟气中的氧气（高达700°C），以提高天然气、轻质油和中型油中小型锅炉的燃烧效率和节省燃料，干燥生物泥浆过程中的氧气控制，测量纺织和纸浆中的水蒸气含量。 可作为变送器使用，探头输出4-20 mA，或与控制单元/显示器组合使用。 MiniProbe M7873是唯一一款符合SIL 2标准的氧化锆原位分析仪，能够确保在生物泥浆干燥器等要求安全的应用中可靠地测量O2
可测量气体
氧气 [O2] 水[H2O]主要特点
极端粗糙度- 接触工艺气体的坚固材料
- 可连续或循环用于温度高达 700°C 的烟气
- 请勿损坏或变形
- 安装和保护管使探头适用于高粉尘烟气
- MiniProbe 可以配备坚固的 AISI 保护管和集成过滤器，以确保：
- 有效防止灰尘和磨损
- 脏污物质不能直接粘在传感器上
- 安装更简单
- 直接插入管道或管道
- 无需从过程中移除探头即可验证校准
- 低电压指令 2014/35/EU
- EMC 指令 2014/30/EU
| Probe | |
|---|---|
| Accuracy | 0.1% O2 below 5% or 2% of reading above 5% |
| Repeatability | ± 1% of reading (short term) |
| Output Resolution | 0.01% O2 |
| Response Time | Sensor: 0.1 sec. ; Overall system < 5 sec. |
| Flue Gas Temperature | up to 700°C (on request up to 800°C) |
| Insertion Length | 100 / 200 / 300 mm |
| Process Connection | 3/4” NPT-F or 2” NPT-F with installation and protection tube |
| Ambient Temp. Influence | Probe: max ± 0.005% of reading per °C. |
| External head: max. 0.06% of reading per °C | External head: max. 0.06% of reading per °C |
| Atm. Pressure Influence | 1% of reading per 1% change in ambient pressure. |
| Probe Head Protection | IP65 |
| Head Temperature | -5°C…+55°C |
| Weight | Probe: 1 Kg. ; Installation tube: 1 Kg. |
| Wiring Connections | N°2 cable glands for cables max. 13 mm and inner terminal strip |
| Pneumatic Connections | Calibration inlet: 1/8” NPT-F |
| Measuring Principle | Zirconium Oxide (Zirconia). Micro-pod sensor technology with no need of reference air |
| Humidity | 0….90% non-condensing |
| Analog Output | 1 x 4-20 mA linear output proportional to range; max. load 500 Ω (or 350 Ω with galvanically insulated module) or logarithmic 50 mV/decade * |
| Ranges | 0-5 / 0-10 / 0-25% O2 (to select at order) |
| Diagnostic NV Logical Output (non-valid) | Logical Non Valid output from relay free contact. Normally supplied in fail safe condition (triggered relay and closed contact if not in alarm). Can be modified in field ** |
| Power Supply | 24 VAC ± 10%, 50/60 Hz, 50 VA |
| *Output from probe when connected to a remote ADEV control unit | |
| **Mandatory for probe SIL2 compliant |
| Control Unit | |
| ADV222 specifications (common to all versions) | |
| Analog Inputs | 2 x isolated. |
| Analog Outputs | 2 x isolated |
| Output Resolution | better than 1x10.000 of FS |
| Relays | N°2 relays SPDT, 230 VAC, nominal 2A (max 4A) *** |
| Power Supply | 8...28 VDC ; 9...24 VAC |
| Ranges | 0-25% O2 **** |
| Operative Temperature | -20°C…+70°C |
| Humidity | 0….90% non condensing |
| Led | Power supply (blue) - Cumulative inputs overload (red) - TX/RX (yellow/amber) |
| Serial Interface | RS485 2-wire (Protocol ModBus-RTU) |
| Line Impedance | 120 ohm |
| Termination Type | External |
| Max Speed | 57600bps |
| Max No. of Nodes | 32 |
| Protection | IP20 |
| Weight | 900 gr. |
| Connections | Removable screw terminals pace 5,08 mm |
| Conductor Section | Max. 2,5 mmq |
| Mounting | DIN rail |
| ***Threshold to be selected at order (factory set) or settable in field by PC with ADEV Easy Configurator or by display if ADbox or ADcaseM are selected | |
| ****Default range factory set. Modifiable on request at order on customer specification or by PC with ADEV Easy Configurator | |
| Supplementary ADbox Specification | |
| Protection | IP55 |
| Weight | 8 Kg. |
| Dimensions | 400 x 300 x 150 mm |
| Display | LCD 2.42” OLED. Resolution0.01% |
| Cable Entrance (bottom) | N°4 cable glands PG 13 / 9 / 7 |
| Supplementary ADcase Specification | |
| Protection | IP55 |
| Weight | 10 Kg. |
| Dimensions | 400 x 300 x 150 mm |
| Display | LCD 2.42” OLED. Resolution0.01% |
| Cable Entrance (bottom) | N°4 cable glands PG 13 / 9 / 7 |
| Pneumatic Connections | Calibration air inlets: 1/8” NPT-F |
| Configurations | ADcaseM-1: Pressure reducer and manual valve |
| ADcaseM-2: Pressure reducer and electro valve |
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