Owner's Manual

GDX-350 Sensor Transmitter
P/N: 5600-9001 Rev 2 19
WARNING: Qualified personnel should perform the installation according to applicable
electrical codes, regulations and safety standards. Ensure correct cabling and sealing
fitting practices are implemented. Install the GDX-350 to a wall or bracket using the
predrilled mounting flanges with I.D. 0.25 on 5.0 inch centers (Figure 2-3).
CAUTION: The sensor head (not shown in Figure 2-3) should never be installed pointing
upwards.
The RF enclosure is NRTL certified for Division 1 hazardous area installations for explosion-proof Class 1
Groups B,C,D (see Figure 2-3). The RF version of the GDX-350 is designed to meet ISA 92.0.01 Part 1
for Toxic Monitors. The standard RF antenna fitting has an RP-SMA connector and is suitable for Division
2 classified areas. An optional antenna is also available for Division 1 classified areas. Figure 2-4 shows
both antenna styles.
Figure 2-3: GDX-350 (RF Version)
with Explosion Proof Housing
Figure 2-4: Local Antennas (900MHZ Shown)
Bacharach offers a square aluminum plate, with a magnet on each corner, to bolt to the back of the GDX-350’s
instrument enclosure. The Magnetic Mount securely attaches the assembly to solid steel structure that is at least 6
inches wide.