Detcon PI-700 - Manual (Page 6)

Model PI-700
PI-700 Instruction Manual Rev. 2.5 Page 2 of 54
programming tool, thus allowing non-intrusive operator interface with the ITM. Calibration can be
accomplished without declassifying the area. Electrical classifications are Class I, Division 1, Groups B C D
and are ATEX Approved for Class I, Zone 1, Group IIC area classifications.
Figure 2 ITM Circuit Functional Block Diagram
MODEL
PI-700
detcon inc.
VOC
detcon inc.
Program Switch #1
Program Switch #2
Splashguard Adapter
Locking Set-Screw
LED Display
Figure 3 Sensor Assembly Front View
1.3 Modular Mechanical Design
The Model PI-700 Sensor Assembly is completely modular and is made up of four parts (See Figure 4 for
Assembly Break-away):
1) PI-700 Intelligent Transmitter Module (ITM)
2) Intelligent Plug-in Sensor (varies by range)
3) PI-700 Splash Guard Adapter with Integral Filter
4) Splash Guard.
NOTE: All metal components are constructed from electro polished 316 Stainless Steel in order to maximize
corrosion resistance in harsh environments.