>> The type of SFD - 600,combustible/toxic gas detector

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Fixed gas detector/ transmitter

Fixed alarm controller

The type of ECD device and combustible / toxic gas

Gas analyzer

Special combustible / toxic gas detection analysis

Fixed dust detector

Portable gas detector

the type of LA100 fire monitoring system

The household gas alarm

Portable_alarming_device

Fixed gas detector/ transmitter

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SFD-600The type of SFD - 600,combustible/toxic gas detector

Unique multi state color change technology

Unique "watchdog" fault diagnosis technology
Unique sensitivity of intelligent compensation technology
Full range accuracy of ±0.1%FS
Explosion-proof, anti surge, anti lightning, the installation is more convenient and safer to use

Using high-energy magnetic regulating transmitter, no need open cover on the site or use the remote control
Simultaneously or respectively output RS485, 4-20mA and switch signal
Online spot change bus address code, 4-20mA signal output calibration

Product feature
Performance parameter
Data download
Operation video

Detection sensor: can choose photoelectric ion, catalytic combustion type, electric chemical formula, solid-state semiconductor type or infrared light type, metal oxide type, heat conduction type.

Testing gas: general combustible gas, ammonia, and aromatic gas, hydrogen, chlorine, carbon monoxide, hydrogen sulfide, carbon dioxide, oxygen, and so on.

Range of measurement: Zero to one ppm、zero to ten ppm、zero to one thousand ppm、zero to hundred percent lower explosive limit、twenty-five percent volume

Alarm Settings: low limit for 25% of full scale range,high limit for 50% of full scale (the user can set arbitrary, the built-in buzzer alarm, sound level 100-150 decibels)

Response time: < 15 s

Recovery time: < 30 s

Explosion-proof way: flameproof

Explosion-proof sign: Exd II CT6 Gb

Level of protection：IP66

Explosion-proof connections: G3/4 pipe thread

Output signals: standard 4-20 ma signal output; Two way dc 24 v switch signal output; Modbus protocol RS485 interface

Temperature range：Forty degrees Celsius below zero to seventy degrees Celsius。

Relative humidity： less than Ninety-five percent

Power supply：Direct Current twenty-four V（DC fifteen V to DC twenty-eight V）

Power dissipation:less than five watts per

Weight :about three kg/piece

Associated apparatus: SFD-860 Series alarm controller、SFD-300 alarm controller、SFD Multi-functional sound and light alarm、PLC or DCS industrial centralized control system, the ordinary computer (need to add related software)

Commonly used material: high strength anti-corrosion alloy aluminum

Optional material: stainless steel

SFD-600"The chameleon" series gas transmitter naming method is as follows:

a、“SFD”on behalf of SUOFUDA；
b、“600” means detection transmitter。
c、Left after the "600" for the first "X" on behalf of gas detection by object；example: “T”、“F”、“N”、“H”、“C”、“SO”、“HF”、“CL” Represent the general combustible gas、 benzene and aromatic compounds gas、ammonia、hydrogen、 carbon monoxide、 sulfur dioxide、 hydrogen fluoride、 chlorine gas（not list the types of gas, represented by its chemical formula）。

d、Left to count the second "X" represents the type of gas sensor, On behalf of the catalytic combustion type "C" and "D" on behalf of the electric chemical formula, "G" on behalf of the solid-state semiconductor type, "I" on behalf of infrared type, "P" on behalf of the photoelectric ion type, "M" is for metal oxide.

SFD-600TC   General combustible gases   zero to one hundred percent Lower Explosive Limit
SFD-600HC   hydrogen    zero percent to one hundred Lower Explosive Limit
SFD-600FP   Benzene and aromatic compounds 0-100ppm
SFD-600SD   sulfuretted hydrogen    0-10ppm or 50ppm or 100ppm(Factory default)
SFD-600ND     ammonia gas             0-100ppm
FD-600CD     carbon monoxide    0-500ppm（Factory default）、1000ppm、5000ppm
SFD-600CO2I    Carbon Dioxide      zero percent to five volume
SFD-600CLD     chlorine           0-10ppm
SFD-600SO2D    sulfurous acid anhydride 0-50ppm、100ppm(Factory default）、200ppm、500ppm
SFD-600F2D     fluorine gas          0-1ppm
SFD-600HFD     hydrogen fluoride       0-10ppm
SFD-600CCLF3D    Freon            0-1000ppm
SFD-600O2D     oxygen 0-25%VOL(normal：20.9%VOL，Less oxygen alarm: 15% VOL, peroxide alarm: 23% VOL)
SFD-600HCLD   hydrogen chloride 0-10ppm (factory default), 20ppm, 30ppm)
SFD-600HCND hydrocyanic acid 0-10ppm (factory default), 20ppm, 30ppm, 50ppm, 100ppm
SFD-600COCL2D   phosgene   0-1ppm
SFD-600SIH4D silane / germane      0-50ppm
SFD-600C4H80P tetrahydrofuran   0-2ppm
SFD-600CLO2D     chlorinedioxide    0-1ppm
SFD-600N2H4D hydrazine 0-1ppm
SFD-600NOD   nitric oxide     0-300ppm 0-1000ppm (factory default)
SFD-600NO2D carbon dioxide 0-50ppm 0-300ppm (factory default)
SFD-600PH3D   phosphine   0-20ppm

传输电缆选用

1、24V电源传输电缆的单芯单向电阻应＜20欧姆。DC24V供电时，电缆的最远传输距离如下表：

电缆单芯截面积	千米电阻		最远传输距离
mm2	单向	回路	m
1.0	18.1Ω	36.2Ω	820
1.5	12.1Ω	36.2Ω	1652
2.5	7.4Ω	14.8Ω	2057

2、在防爆场所，电缆芯线必须采用符合国家标准的铜线，电缆单芯截面积应>1mm2;如需接头，必须采用防爆接线盒；非铠装电缆必须采用穿钢管防护敷设；钢管与变送器进线口（G3/4"）可直接套线连接，或加防爆连接软管；RS-485信号连接必须使用屏蔽双绞线。

SFD-600与其他厂家气体变送器产品的性能比较

产品名称	探测显示精度	现场液晶显示方式	信号输出种类	故障自诊断技术	灵敏度线智能补偿功能
索福达SFD-600XX可燃、有毒气体变送器	一般性可燃、有毒气体变送器显示精度为0.1%，探测显示精度高于行内同类产品。剧毒类气体变送器精度为0.01%，探测显示的高精度业内首创（如：TDI气体的量程0-0.05mg/m3、砷化氰气体的量程范围0-0.03mg/m3）。	采用最新多彩液晶，六色显示。低浓度是为绿色、一段报警时为浅红色、二段报警时大红色、故障报警时为黄色。进入菜单参数修改时炫紫色、进入内部参数选项为蓝色。帮助您迅速判明现场情况。	三种信号输出： A、4-20mA标准电流信号； B、一段、二段报警点直流驱动信号（驱动容量DC24V/1A）； C、Modbus协议、RS485总线通讯信号。	设备发生故障时，显示屏背景变成黄色，并显示相应代码指示故障种类，方便现场仪表维护及使用。	基于大多数气体传感器的灵敏度线性会随时间的增加而下降（催化燃烧传感器每月下降1-2%），我们首创的只需要磁棒调试的传感器智能线性补偿技术，大大提高了气体探测的客观性与安全性。使用高能磁棒进行调试，避免了开盖、机体按键及遥控调试所带来的受现场环境影响而造成可靠性低、防护防爆性差等缺点。
其他厂家的可燃、毒性气体变送器。	显示进度为1%，探测显示精度一般。	普通单色显示。	只能输出一种或两种信号。	无此功能	使用遥控器或开盖调试，防爆方面存在隐患。

产品名称

探测显示精度

现场液晶显示方式

信号输出种类

故障自诊断技术

灵敏度线智能补偿功能

索福达SFD-600XX可燃、有毒气体变送器

一般性可燃、有毒气体变送器显示精度为0.1%，探测显示精度高于行内同类产品。

剧毒类气体变送器精度为0.01%，探测显示的高精度业内首创（如：TDI气体的量程0-0.05mg/m3、砷化氰气体的量程范围0-0.03mg/m3）。

采用最新多彩液晶，六色显示。低浓度是为绿色、一段报警时为浅红色、二段报警时大红色、故障报警时为黄色。进入菜单参数修改时炫紫色、进入内部参数选项为蓝色。帮助您迅速判明现场情况。

三种信号输出：

A、4-20mA标准电流信号；