1050 Hopper Ave, Santa Rosa, CA 95403 • Tel (800) AIRFLOW • www.airmonitor.com [email protected]
ELECTRA-flo G5 Transmitter Thermal Airflow & Temperature Measurement System 1015-3 - 07/18
5
SECTION 2.0: SPECIFICATIONS
2.2 ELECTRA-flo G5 TRANSMITTER SERIES
SENSOR DENSITY
The maximum number of sensors per transmitter is
32, shared between both channels. Maximum sensors
per probe is 8.
DISPLAY
Backlit
¼
VGA Color TFT LCD display, 2 3/4” X 2”
Configuration Access:
Field programmable menu driven user interface
accessed via four button membrane keypad. Field
selectable in US or SI units for flow, velocity and
temperature.
POWER SUPPLY
24 VAC (20-28 VAC) or 24 VDC (20-40 VDC) isolated
and fused with reverse polarity protection
16-90 VA, varies based on the quantity of sensors
(1-32) in the probe array or station
OUTPUT SIGNALS PROVIDED
Dual analog outputs, field selectable via menu for 0-5
VDC, 0-10 VDC, or 4-20 mADC
Field adjustable analog output scaling of airflow
velocity and temperature
Velocity Range:
0 to 5,000 FPM in Ducted Applications
0 to 10,000 FPM in Fan Inlet Applications
Temperature Range: -20° to 140° F
Network Output Communication: BACnet
®
MS/TP or
MODBUS
®
RTU
AMBIENT CONDITIONS
Temperature Limits: –20° to 180° F Storage, -20° to
+140° F Operating
Humidity: 0 to 99.9% RH, non-condensing
ENCLOSURE
NEMA 1 aluminum with hinged cover
Optional: NEMA 4 or NEMA 4X
APPROVALS
UL 60730 APPROVED
BTL Certified to ANSI/ASHRAE 135.1-2013
FCC Part 15 Subpart B, Class A Device
2.1 PROBE ASSEMBLY
INDIVIDUAL SENSOR ACCURACY
Velocity: ±2% of reading from 0-5000 FPM
Temperature: ±0.1° F
Multi-point NIST traceable calibration of both
temperature and velocity
SENSOR TYPE
Hermetically sealed, precision matched thermistors
with laser trimmed resistive heating element
mounted in flow conditioning aperture.
Max number of sensors per probe: 8
Max number of sensors per transmitter: 32
SENSOR SIGNAL PROCESSING
Sensor signal processing at the probe with RS-485
communication to the transmitter
MOUNTING CONFIGURATIONS
Insertion probe mounting via 4” x 4” aluminum
plate, 1/4” closed cell neoprene gasket and end
support stud for probes longer than 18”
Optional: Internal mounted probes
Optional: Airflow station with factory-mounted
probes in a 14 gauge (minimum) galvanized
sheet metal casing, available with and without
honeycomb airflow straightening cell
Fan inlet mounting with adjustable stainless steel
brackets
MATERIALS OF CONSTRUCTION
1
⅛
” diameter anodized aluminum probe with
aluminum probe connection box
Optional: 316 stainless steel probe with 316
stainless steel or polycarbonate probe connection
box
ELECTRICAL CONNECTIONS
Probe-to-probe connection via plenum rated cable
with mini-DIN Snap & Lock connector for signal
and power
Probe-to-transmitter connection via a single plenum
rated cable with mini-DIN Snap & Lock connector
Optional: Conduit connection capability between
individual probe-to-probe cables and probe-to-
transmitter cable
Cable Length: 10’ typical, up to 100’ optional (cables
can be field terminated to length)
PROBE SIZE RANGE
6” to 144” dimension length
