Durag杜拉各公司推出新产品D-R808粉尘仪

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Suitability tested scattered light dust monitor for monitoring small to medium dust concentrations in dry flue or process gases.
散射光尘监测器经测试适用于监测干烟道或过程气体中的中小范围的粉尘浓度。

With its certification range of 0 ... 7.5 mg/m3 the D-R 808 is ideally suited for monitoring very low dust concentrations.
凭借其认证范围为0 ... 7.5 mg / m3，D-R 808非常适合监控非常低的粉尘浓度。

Overview概览

• One-sided installation without optical alignment
• 单边安装，无需对光
• Automatic zero and reference point check
• 自动零点和参考点检查
• Automatic contamination check and correction
• 自动污染检查和纠正
• Integrated purge air monitoring
• 集成式空气吹扫监测
• QAL1 certified according to EN 15267-3
• 居于EN15267-3通过QAL1认证
• Lowest certification range 0 ... 7.5 mg/m3
• 低认证范围0-7.5mg/m3
  

D-R808通用技术参数

Measuring principle 测量原理	Forward scattering前散射
Conformities 符合标准	CE IED 2010/75/EU US-EPA 40 CFR 60 PS-11
Certificates 认证	CE, QAL1 EN 14181:2015 / EN 15267-1:2009 / EN 15267-2:2009 / EN 15267-3:2008, MCERTS pending
Measuring location 测量位置	In situ, probe in contact with flue gas, one-sided installation at the stack, no optical alignment 原位，探头和烟气接触，单边安装在烟囱上，无需光路对准
Measuring sequence 测量时序	Continuous连续
System components 系统组成	D-R 808 M measuring device D-R808测量设备 D-TB 200 terminal box incl. purge air supply D-TB 200 接线盒包括吹扫空气供应 D-ISC 100 universal operating unit (option) D-ISC100通用操作单元（可选）
Self-check, protective functions 自检，保护功能	Automatic zero and reference point check 自动零点和参考点检查 Automatic contamination check and correction 自动污染检查和纠正 Integrated purge air monitoring (option) 集成式吹扫空气监测（可选） Connector for external purge air sensor or customer protective function supplied by the customer 用于外部吹扫空气传感器的连接器或客户提供的用户保护功能

D-R808 Application data
D-R808应用数据

Flue gas type 烟气类型	Air, flue gas, non flammable process gas
Flue gas temperature 烟气温度	Above dew point up to +350 °C optional up to 500 °C with additional components
Inner duct pressure 烟道内部压力	-50 ... +50 hPa
Flue gas relative humidity 烟气湿度	0 ... 95% rel. humidity, non-condensing
Inner duct diameter 烟道内径	> 0.3 m

D-R 808 M measuring device D-R808测量设备

Physical measuring value 物理测量值	Scattered light units
Derived measuring values 设备测量值	Dust concentration in mg/m3 after gravimetric calibration Normalized dust concentration in mg/Nm3 after gravimetric calibration
Measuring range dust concentration 粉尘浓度测量范围	min. 0 …5 mg/m3 max. 0 …200 mg/m3
Output range dust concentration 粉尘浓度输出范围	Output range freely programmable. Any range can be assigned to an analogue output.
Certified measuring range 认证测量范围	Dust concentration 0 ... 7.5 mg/m3
Integration time 积分时间	1 ... 180 s, programmable
Light source 光源	Laser diode, 650 nm
Process connection 过程连接	Flange, pitch circle 100 mm, similar to DN40 PN6, di=70 mm
Digital interfaces 数字接口	RS 485 Modbus RTU, bi-directional communication, USB (Service) further with D-ISC 100
Analogue outputs 模拟输出	1x 4-20mA, 400 Ohm, isolated, assignment parameterisable further with D-ISC 100
Digital outputs	2 x contact NC/NO, permissible load 60 VDC / 30 VAC / 0.5 A, function can be assigned. Typically: maintenance, failure further with D-ISC 100
Power supply 供电	24 VDC, 0.5 A
Operation 运行	D-ISC 100 universal operating unit (option) Service software D‑ESI 100, incl. remote access via web interface (option), requires PC with Windows OS
Ambient temperature (operational) 大气温度	-40 … +60 °C
IP protection class (IEC 60529) IP防护等级	IP65
Dimensions (hxwxd)尺寸	160 x 160 x 600 mm 160 x 160 x 1000 mm (variants)
Weight重量	Approx. 3 kg / 7 kg (variants)
Material材料	Probe: 1.4404 (AISI 316L) Housing: Al cast alloy, blue painted