Drager VarioGard 3300 IR 变送器 检测易燃气体和蒸气

Drager VarioGard 3300 IR 变送器
检测易燃气体和蒸气
Drager VarioGard 3300 IR 是具有集成红外光学 DragerSensor? 传感器
的数字变送器。 它检测环境空气中的可燃气体甲烷和 LPG。 这种经济
的系统组件使您能够更方便地配置气体报警系统。
D-6453-2010
优势
02 | Drager VarioGard 3300 IR 变送器
数字功能
Drager VarioGard 3300 IR 通过数字化 VarioGard 总线与控制器连接。 由此实现了变送器的供电和检测结
果的传输。 通过 VarioGard 总线，您能很方便地控制整个 VarioGard 系统。
高可靠性
VarioGard 3300 IR 配备了红外光学 DragerSensor 传感器。 该传感器可测量周围空气中的易燃气体浓度。
测量值以数字方式传输到控制器，并在控制器上显示出来。 如气体浓度**过了一个或多个设定的限值，
则会触发警报。
易操作
操作较为简便。 您可以使用 VarioGard 软件从控制器轻松地进行所有配置。 您可以为每个变送器设置
四个当前限值和四个一段时间内的平均值并进行监控。 警报会以声光形式显示在变送器上并传输到控制
器。 三色 LED 指示灯指示变送器的工作状态。 使用磁棒通过接触点进行校准控制。
可单独配置
VarioGard 3300 IR 能适应您的需求。 这意味着根据需要有不同的气体库可用。 它可以检测车库中的
LPG，也可以检测 CH4，用于*防爆保护的甲烷监测。 此外，您可把导线管放置在变送器的四面。 变
送器既可以垂直安装也可以水平安装。
系统组件
Drager VarioGard 3300 IR 变送器 | 03
ST-9754-2007
Drager VarioGard*
Drager VarioGard*单元是一个较具成本效益的、模块化气体检测
系统的核心。它可以通过一条数字总线连接并管理多达100个不同气
体的变送器。
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Drager VVP 1000
Drager VVP 1000的10”触摸面板可清晰、简明地显示来自Drager
VarioGard气体探测器的所有数据。该触摸面板通过醒目易懂的方式
显示所有相关信息，比如测量值和状态消息。
附件
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磁棒
附件
04 | Drager VarioGard 3300 IR 变送器
D-5952-2014
校准适配器 VarioGard 3x00
ST-5690-2006
导线管 M20 x 1.5（10 根装）
相关产品
D-6453-2010
Drager VarioGard 3320 IR 变送器
Drager VarioGard 3320 IR 是具有集成红外光学 DragerSensor? 传感
器的数字变送器。 它检测环境空气中的二氧化碳。 这种经济的系统
组件使您能够更方便地配置气体报警系统。
相关产品
Drager VarioGard 3300 IR 变送器 | 05
D-6453-2010
Drager VarioGard 3200 CAT发送器
Drager VarioGard 3200 CAT是一款集成催化传感器的数字变送器。
它可以检测周围空气中的可燃气体甲烷，液化石油气（LPG）和二
氧化碳。此款价格合理的系统组件让您可以更加轻松地配置气体警
报系统。
D-6452-2010
Drager VarioGard 3000
Drager VarioGard 3000 EC是一款集成电化学传感器的数字变送器。
它可以检测周围空气中的氧气和有毒气体。此款价格合理的系统组
件让您可以更加轻松地配置气体警报系统。
技术数据
06 | Drager VarioGard 3300 IR 变送器

类型用于检测环境空气中气体浓度的变送器
气体与量程 CH4 0 至 ** LEL
LPG 0 至 ** LEL
显示屏3 色 LED 灯（绿、黄、红）: 运行、维护、报警
输入2 个功能按钮
报警输出喇叭和红色 LED 指示灯
报警8 个可配置的报警限值
电气参数3 芯电缆，16 至 30V 直流，GND，Drager VarioGard 总线
温度-20 至 +50 °C
湿度10 至 95% 相对湿度，无凝结
环境条件
压力700 至 1,300百帕
尺寸（带导线管） 120 x 110 x 60 毫米（宽x高x深）铝制
重量1.0 千克铝
外壳铝浅灰 RAL 7035 IP 65
导线管M20 x 1.5，6 至 12mm
订购信息
VarioGard 3300 IR Ex AL（铝外壳） 83 23 627
校准适配器 VarioGard 3x00 83 22 015
软件套装 VarioGard 3x00（含 USB 适配器） 83 22 016
VarioGard 系统技术手册90 33 191
磁棒45 43 428
导线管 M20 x 1.5（10 根装） 83 15 420
VarioGard 使用说明书90 33 185


Drager Polytron? SE Ex
Flammable Gas Detection
The Drager Polytron? SE Ex ... DD sensing heads are gas detectors for
the continuous monitoring of flammable gases and vapors in the ambient
air. The measurement is based on the heat of reaction principle, where
a chemical reaction takes place in a catalytic bead (so-called pellistor)
inside the sensor.
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Benefits
02 | Drager Polytron? SE Ex
Drager Polytron SE EX
By this, concentrations of flammable gases can be detected long before they tend to be ignitable, in other
words: before they reach the lower explosive limit (LEL). The sensing heads are intended to be used in the
harsh industrial environment and connected to a suitable central controller by means of a 3-core cable. Based
on different sensor types Drager offers three versions for different applications: On the one hand for the
detection of up to 100 %LEL (where a special HT-version can be used at ambient temperatures up to 150 °C),
on the other hand for the detection of very low concentrations in the range 0 ... 10 %LEL (leak detection).
Eight housing variants
The sensing heads Drager Polytron SE Ex PR ... DD and SE Ex LC ... DD are available as four variants each,
which differ by their junction boxes, specified by the following code:
M1 - small standard housing
M2 - midsize standard housing
M3 - big GRP plastic housing
Besides these junction boxes made of glass fiber reinforced Polyester (GRP) with type of protection
“e” (increased safety) housing a sensor with metric (“M”) thread, a further variant with type of protection
“d” (flameproof enclosure) is available, coded as:
NPT1 - flame-proof metal housing
This variant houses a sensor with NPT-thread and is intended to be used in conduit installations. The variant
M2 should preferably be used in outdoor applications since the lateral cable gland may be exchanged by the
stopping plug so that the cable can be inserted from the bottom.
Comprehensive explosion protection
The sensing heads Polytron SE Ex ... DD are labeled acc. to the Directive 94/9/EC (Atex 95) as II 2G/ II 2D and
thus are suitable for operation in areas with potentially explosive atmospheres of zone 1 and 2 as well as zone 21
and 22. In the same way, for world-wide applications, an IECEx-approval allows to operate these sensing heads
in hazardous areas.
Measuring **
The flame-proof encapsulated gas sensor produces a mV-** which is proportional to the gas concentration
and can be evaluated by a suitable central controller (e.g. Drager REGARD or Polytron SE Ex). Connected
to the sensing head via a shielded 3-core cable of several hundreds of meters length, the central controller is
intended to activate alarms if dangerous gas concentrations occur.
Benefits
Drager Polytron? SE Ex | 03
Pellistor sensors type DD
Since they are operated as precisely measuring temperature dependent resistors, the measuring beads
housed in the sensor are called pellistors (from engl. pellet and resistor). A pellistor is a small bead made
of very porous ceramic material which is impregnated by a special catalyst and embedding a small platinum
filament. By means of an electrical current of approx. 255 mA on the one hand the platinum filament heatsup the
ceramic bead to roughly 450 °C,on the other hand this platinum wire actsas a measuring resistor dependent on
thebead’s temperature.
When molecules of a flammable gaspenetrate into the catalytic bead they reactwith the activated airborne
oxygen which is adsorbed in the porous ceramic and release heat of reaction causing the pellistor’s
temperature rising. The resulting resistance increase of some milli-Ohms is proportional to the gas
concentration.
Environmental conditions
By means of a second, entirely uniform pellistor, which is especially encapsulated, any parameter affecting
precise measurement is optimal compensated. This is particularly true in respect to humidity and ambient
temperature.
During manufacturing these pellistors are matched in respect to optimum compensation characteristics. Since
both these pellistors are catalytic the sensor is called type DD, standing for double detector with a resulting
long-term stable sensor ** being nearly unaffected by ambient temperature changes.
Poison resistance
The pellistors which are manufactured since decades are of type PR, which means poison resistant. Based
on their special construction these sensors have a longer lifetime compared to conventional sensors when
being exposed to industrial atmospheres containing catalyst poisons such as sulfur-, phosphor-, lead- or
siliconcompounds.
Very short response times
To achieve short response times the gas entrance of the DD-sensor is not a conventional sinter disc but a thin
wire mesh disc so that the gas to be detected can very quickly enter the pellistors by way of diffusion.
Measuring function for explosion protection
In conjunction with some Drager central controller units the Drager sensing heads Polytron SE Ex PR ... DD
and HT M DD are type-approved to be used in pre ventive explosion protection applications acc. to EN 1127-1.
This is a customer’s benefit since in case of a dangerous gas concentration a performance approved gas
detection system will auto matically activate countermeasures so that explosive concentrations cannot form and
Benefits
04 | Drager Polytron? SE Ex
the extension of hazardous areas thus decrease. By this, electrical installations can be designed more simply
and in some cases even no further explosion protection measures are necessary.
This is because potentially explosive atmospheres occur seldom or even not at all when having a gas detection
system like this.
Technical Data
Drager Polytron? SE Ex | 05
SENSING HEADS
All sensing heads Polytron SE Ex ... DD
Type Sensing head with catalytic bead sensor
Gases and Vapors Flammable gases and vapors in the ambient air such as methane, propane, acetone,
acetylene, ammonia, petrol 065/095, benzene, 1.3-butadiene, n-butane, n-butyl acetate,
diethyl ether, dimethyl ether, ethanol, ethylene (ethene), ethyl acetate, ethylene oxide, nhexane,
hydrogen, methanol, methyl ethyl ketone (MEK), methyl methacrylate, n-nonane,
n-octane, n-pentane, i-propanol, propylene (propene), propylene oxide, toluene and oxylene.
3 x 1.5 mm2: 1450 m
3 x 1.0 mm2: 950 m
Maximum cable length between sensing head and controller
Polytron SE Ex:
3 x 0.75 mm2: 700 m
3 x 1.5 mm2: 700 m
3 x 1.0 mm2: 450 m
between sensing head and controller
REGARD:
3 x 0.75 mm2: 350 m
Ambient conditions atmospheric pressure: 800 ... 1100 mbar
relative humidity: 5 ... 95 %, non-condensing
Expected sensor lifetime > 3 years
Polytron SE Ex PR ... DD
Full scale deflection Combined with a suitable controller - 100 % of the Lower Explosion Limit (LEL)
Sensor current 240 ... 270 mA (preferably 255 mA) constant current produced by a suitable controller, approx. 1 W
Response time (25 °C) t50 ≤ 4 s, t90 ≤ 8 s (methane)
t50 ≤ 4 s, t90 ≤ 9 s (propane)
Measuring function (94/9/EC) Measuring function for explosion protection acc. to EN 60079-29-1 for the a.m. gases and vapors
Measuring cable screened 3-core cable, core cross sections 0.5 ... 1.5 mm2
outer diameter 7 ... 12 mm - exception: Sensing head Polytron SE Ex PR NPT1 DD (Conduit thread)
Cable gland M 20 x 1.5 - exception: Sensing head Polytron SE Ex PR NPT1 DD (comes without cable gland)
SE Ex PR M1/2 DD: minimum temperature: -50 °C maximum temperature: T4: 85
°C, T5: 55 °C, T6: 40 °C
SE Ex PR M3 DD: minimum temperature: -50 °C maximum temperature: T4: 65
°C, T5: 55 °C, T6: 40 °C
Ambient temperature
SE Ex PR NPT1 DD: minimum temperature: -40 °C maximum temperature: T4: 60
°C, T5: 55 °C, T6: 40 °C
Housings SE Ex PR M1/2/3 DD: IP 66, glass fiber reinforced Polyester (GRP)
SE Ex PR NPT1 DD: IP 66, aluminum
SE Ex PR M1 DD: small standard housing 80 x 130 x 56 mm incl. sensor and cable
gland, 0.5 kg
SE Ex PR M2 DD: midsize standard housing 136 x 107 x 56 mm incl. sensor and
cable gland, 0.6 kg
SE Ex PR M3 DD: big GRP plastic housing 147 x 154 x 75 mm incl. sensor and cable
gland, 1.2 kg
Dimensions (w x h x d) and
weight
SE Ex PR NPT1 DD: flameproof metal housing 101 x 142 x 75 mm incl. Sensor, 0.7 kg
SE Ex PR M1/2/3 DD: II 2G Ex de IIC T6/T5/T4 Gb II 2D Ex tD A21 IP 6x T130 °C
SE Ex PR NPT1 DD: II 2G Ex d IIC T6/T5/T4 Gb II 2D Ex tD A21 IP 6x T130 °C
Explosion protection acc. to EUdirective
94/9/EC (Atex 95)
EC-Type examination certificate BVS 10 ATEX E 060 X
Explosion protection acc. to SE Ex PR M1/2/3 DD: Ex de IIC T6/T5/T4 Gb Ex tD A21 IP 6x T130 °C
IECEx IECEx Certificate of Conformity BVS 10.0045X
Technical Data
06 | Drager Polytron? SE Ex
Polytron SE Ex HT M DD
Full scale deflection Combined with a suitable controller - 100 % of the Lower Explosion Limit (LEL)
Sensor current 240 ... 270 mA (preferably 255 mA) constant current produced by a suitable controller, approx. 1 W
Response time (25 °C) t50 ≤ 4 s, t90 ≤ 8 s (methane)
t50 ≤ 4 s, t90 ≤ 9 s (propane)
Measuring function
(94/9/EC)
Measuring function for explosion protection acc. to EN 60079-29-1 for the a.m. gases and vapors
Measuring cable screened 3-core cable, core cross sections 0.5 ... 1.5 mm2
outer diameter 7 ... 12 mm, sufficiently temperature resistant
Cable gland M 20 x 1.5
Ambient temperature minimum temperature: -50 °C, maximum temperature: T3: 150 °C T4: 85 °C, T5: 55 °C, T6: 40 °C
Housing IP 66, galvanized cast iron housing
Dimensions (w x h x d)
and weight
150 x 152 x 85 mm incl. sensor and cable gland, 2.6 kg
DragerSensor HT M DD: DEMKO 09 ATEX
0924202X
II 2G Ex d IIC T3 II 2D Ex tD A21 IP 6x
T195 °C
Housing: SIRA 06 ATEX 3153 II 2G Ex e II T3 II 2D Ex tD A21 IP 66
Explosion protection acc.
to EU-directive 94/9/EC
(Atex 95)
Cable gland: SIRA 01 ATEX 1272X II 2G Ex e II II 2D Ex tD A21 IP 66
Polytron SE Ex LC ... DD
Full scale deflection Combined with a suitable controller - 10 % of the Lower Explosion Limit (LEL)
Sensor current 276 mA constant current produced by a suitable controller, approx. 1 W
Response time (25 °C) t50 < 6 s, t90 < 20 s (methane)
Measuring cable screened 3-core cable, core cross sections 0.5 ... 1.5 mm2
outer diameter 7 ... 12 mm - exception: Sensing head Polytron SE Ex LC NPT1 DD (Conduit thread)
Cable gland M 20 x 1.5 - exception: Sensing head Polytron SE Ex LC NPT1 DD (comes without cable gland)
Ambient condition maximum temperature: SE Ex LC M1/2 DD: T4: 85 °C, T5: 50 °C, T6: 40 °C
SE Ex LC M3 DD: T4: 65 °C, T5: 50 °C, T6: 40 °C
SE Ex LC NPT1 DD: T4: 60 °C, T5: 50 °C, T6: 40 °C
minimum temperature: -40 °C
atmospheric pressure: 800 ... 1100 mbar
relative humidity: 5 ... 95 %, non-condensing
Housings SE Ex LC M1/2/3 DD: IP 66, glass fiber reinforced Polyester (GRP)
SE Ex LC NPT1 DD: IP 66, aluminum
SE Ex LC M1 DD: small standard housing 80 x 130 x 56 mm incl. sensor and cable
gland, 0.6 kg
SE Ex LC M2 DD: midsize standard housing 136 x 107 x 56 mm incl. sensor and
cable gland, 0.7 kg
SE Ex LC M3 DD: big GRP plastic housing 147 x 154 x 75 mm incl. sensor and cable
gland, 1.3 kg
Dimensions (w x h x d) and
weight
SE Ex LC NPT1 DD: flameproof metal housing 101 x 142 x 75 mm incl. Sensor, 0.8 kg
SE Ex LC M1/2/3 DD: II 2G Ex de IIC T6/T5/T4 Gb II 2D Ex tD A21 IP 6x T130 °C
SE Ex LC NPT1 DD: II 2G Ex d IIC T6/T5/T4 Gb II 2D Ex tD A21 IP 6x T130 °C
Explosion protection acc. to EUdirective
94/9/EC (Atex 95)
EC-Type examination certificate BVS 10 ATEX E 060 X
Explosion protection acc. to SE Ex LC M1/2/3 DD: Ex de IIC T4/T5/T6 Gb IP 6x T85/T100/T135 °C
IECEx IECEx Certificate of Conformity BVS 10.0045X
SENSORS
Technical Data
Drager Polytron? SE Ex | 07
Type Catalytic bead sensor for range 0 ... 100 %LEL
DragerSensor PR M DD: II 2G Ex d IIC T4/T5/T6 II 2D Ex tD A21 IP6X T130 °C
DragerSensor PR NPT DD: II 2G Ex d IIC T4/T5/T6 II 2D Ex tD A21 IP6X T130 °C
DragerSensor HT M DD: II 2G Ex d IIC T3/T4/T5/T6 II 2D Ex tD A21 IP6X T130/T195
°C
Explosion protection acc. to EUdirective
94/9/EC (Atex 95)
EC-Type examination certificate DEMKO 09 ATEX 0924202X
DragerSensor PR M DD: Ex d IIC T6/T5/T4 Ex tD A21 IP6x T130 °C
DragerSensor PR NPT DD: Ex d IIC T6/T5/T4 Ex tD A21 IP6x T130 °C
DragerSensor HT M DD: Ex d IIC T6/T5/T4/T3 Ex tD A21 IP6x T130/T195 °C
Explosion protection acc. to
IECEx
IECEx Certificate of Conformity UL 09.0006X
Type Catalytic bead sensor for range 0 ... 10 %LEL
Ex-Sensor LC M: II 2G Ex de IIC T6/T5/T4 Gb II 2D Ex t IIIC T80/T95/T130 °C
Db
Ex-Sensor LC NPT: II 2G Ex d IIC T6/T5/T4 Gb II 2D Ex t IIIC T80/T95/T130 °C
Db
Explosion protection acc. to EUdirective
94/9/EC (Atex 95)
EC-Type examination certificate DMT 02 ATEX E 188 X, 2nd Supplement
Ex-Sensor LC M: Ex de IIC T6/T5/T4 Gb Ex t IIIC T80/T95/T130 °C Db
IP 6X
Ex-Sensor LC NPT: Ex d IIC T6/T5/T4 Gb Ex t IIIC T80/T95/T130 °C Db
IP 6X
Explosion protection acc. to
IECEx
IECEx Certificate of Conformity BVS 10.0012X
Ordering Information
Drager Polytron SE Ex PR M1 DD, small standard housing, 0 ...
100 %LEL
68 12 711
Drager Polytron SE Ex PR M2 DD, midsize standard housing, 0 ...
100 %LEL
68 12 710
Drager Polytron SE Ex PR M3 DD, big GRP plastic housing, 0 ...
100 %LEL
68 12 718
Drager Polytron SE Ex PR NPT1 DD, flame-proof metal housing,
0 ... 100 %LEL
68 12 800
Drager Polytron SE Ex LC M1 DD, small standard housing, 0 ... 10
%LEL
68 12 722
Drager Polytron SE Ex LC M2 DD, midsize standard housing, 0 ...
10 %LEL
68 12 721
Drager Polytron SE Ex LC M3 DD, big GRP plastic housing, 0 ...
10 %LEL
68 12 719
Drager Polytron SE Ex LC NPT1 DD, flame-proof metal housing,
0 ... 10 %LEL
68 12 801
Drager Polytron SE Ex HT M DD, high temperature version, 0 ...
100 %LEL
68 12 720
DragerSensor PR M DD 68 12 220
DragerSensor PR NPT DD 68 12 380
DragerSensor HT M DD 68 12 390
Ex-Sensor LC M 68 10 350
Ex-Sensor LC NPT 68 10 675
Dust filter for DragerSensor PR M DD and PR NPT DD (PE-discs,
10 pcs.)
68 10 537
Calibration adapter (PE, max. operation temperature 70 °C) 68 06 978
Ordering Information
08 | Drager Polytron? SE Ex

Process adapter (stainless steel, with locking nut M30 x 1,5) for
DragerSensor PR M DD, PR NPT DD and HT M DD
68 12 470
Process adapter (stainless steel, with locking nut M36 x 1,5) for
Ex-Sensor LC M and LC NPT
68 12 465