PRODUCT CATEGORY

Dräger Polytron® 8720 IR

The Dräger Polytron® 8720 IR is an advanced explosion proof transmitter for the detection of carbon dioxide in percent volume or ppm. It uses a high performance infrared Dräger PIR 7200 sensor, which can be submerged in water without damage. Besides a 3 wire 4 to 20 mA analog output with relays, it also offers HART®, Modbus and Fieldbus making it compatible with most control systems.

 

Technical Data

Key Facts

Type
Transmitter
Response time
<= 8 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®

Technical Data

Power Supply
10 to 30 VDC, 3-wire
Temperature (operation)
-40°F - 170.6°F
Humidity
0 to 100% r.h., non-condensing
Pressure (hPa)
700 - 1300
Dimensions (H × W × D)
0.92x0.49x0.43 ft
Weight
12.57 lb
Housing Material
Epoxy coated copper-free aluminum or stainless steel SS316 L
Degree of protection (IP class)
IP65/66/67

Approvals

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