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Dräger Polytron® 8700 IR

The Dräger Polytron® 8700 IR is an advanced explosion proof transmitter for the detection of combustible gases in the lower explosion limit (LEL). It uses a high performance infrared Dräger PIR 7000 sensor, which will quickly detect most common hydrocarbon gases. Besides a 3 wire 4 to 20 mA analog output with relays, it also offers Modbus and Fieldbus making it compatible with most control systems.

Easy device management via digital communication

The Dräger Polytron 8700 is equipped with digital interfaces allowing for quick and easy remote interrogation of the transmitter’s state. Integration with existing asset management systems such as PactWare is possible via DTM.

In addition to the common HART® communication system, the fieldbus interfaces PROFIBUS PA, FOUNDATION Fieldbus H1, and Modbus RTU are also available.

Same design, same operating principle

The Dräger Polytron 8700 belongs to the Polytron 8000 series. All transmitters in this series have the same design and user interface. This allows for uniform operation with reduced training and maintenance requirements.

The large graphic backlit display shows status information clearly and in an easy to use format. The measured gas concentration, selected gas type, and measuring unit are displayed during normal operation. Colored LEDs (green, yellow and red) provide additional alarm and status information.

The Polytron 8700 is operated by means of a magnetic wand over contact surfaces.

Three relays for controlling external equipment

Upon request, the Dräger Polytron 8700 can also be supplied with three integrated relays. This enables you to use it as an independent gas detection system with two arbitrarily adjustable concentration alarms and one fault alarm. Audio alarms, signal lights, or similar devices can thus be controlled locally without an additional cable between the transmitter and central controller.

Safe, robust housing for every application

Polytron 8700 features a Class I, Div. 1 rated explosion proof enclosure made from aluminum or stainless steel, making it suitable for a wide range of environmental conditions. A protection type “e” version includes a convenient docking station which allows installation in hazardous atmospheres without running conduit (where approved).

Data logger

The Polytron 8700 has a data logger, which records measuring and event data from the past years.

Downloads

Polytron 8700 IR Product Information, en-us
Polytron 8700 IR Product Information, en-us

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PolySoft V1.21.0 Setup
PolySoft V1.21.0 Setup

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AI Junction Box Ex d 4544286 ME
AI Junction Box Ex d 4544286 ME

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Fixed gas detectors, sensors and substances

Dräger gas detectors can be used with different sensors to detect a large number of hazardous substances. Check which sensor fits into this detector by searching for a substance. Contact our experts to get more information on our wide portfolio.

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Product configurations

for the device Dräger Polytron 8700

Utilise for 36 Substances

3 matching Sensor(s)

Technical Data

Key Facts

Type
Transmitter
Response time
4 seconds
Cable entry
M20 or 3/4" NPT
Display
Intrinsic Safety
Flameproof
Increased Safety
SIL
✓ SIL 2 (IEC 61508-1-3)
4-20 mA
Bus
HART®
Wireless

Technical Data

Power Supply
10 to 30 V DC, 3-wire
Temperature (operation)
-40°C - 77°C
Humidity
0 to 100 % r.h., non-condensing
Pressure
700 - 1300
Dimensions (H × W × D)
0.28x0.15x0.13 m
Weight
12.57 lb
Housing Material
Epoxy coated copper-free aluminum or stainless steel SS 316L
Degree of protection (IP class)
IP65/66/67

Approvals

ATEX
IECEx
UL
CSA
CE marking
GOST (EAC)
Performance approval
Shipping approval
FM

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Get in touch with Dräger

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Draeger Safety Canada Ltd.

​2425​ ​Skymark​ ​Ave,​ ​Unit​ ​1
Mississauga,​ ​ON​ ​L4W​ ​4Y6

+1 877-372-4371