Phone: (800) 257-3872 | Fax: (978) 264-0292 | www.setra.com
8. Maintenance
• The FLEX is designed to operate in an indoor environment, monitoring clean, dry air.
• Upon nal installation of the FLEX Environmental Monitor, no routine maintenance is required. An annual check of system calibration is
recommended. FLEX is not eld serviceable and should be returned if repair is needed (eld repair should not be attempted and may void
warranty). Be sure to include a brief description of the problem plus any relevant application notes. Contact customer service to receive
a return goods authorization number before shipping.
• WARNING: Do not blow into the pressure tubing or ttings with mouth, compressed air, or canned air. Such actions may permanently
damage the pressure sensor. Do not clean or wash-down FLEX with industrial cleaners or solvents other than those approved in
specications. Do not immerse unit.
7. Specications
Specications subject to change without notice.
Physical Description
Dimensions
9.25” W x 6.3” H x 0.65”D
(215.0mm x 160.0mm x 16.51mm)
Mounting
Triple-gang, double deep electrical box. RACO 697,
Appleton M3-350, or equivalent
Case
Fire-retardant plastic UL94 V-0
Weight
2 lbs
Display
7” Projected Capacitive (PCAP) multitouch. 800 x 480
pixels. Usable with medical gloves.
Display brightness
1-7
USB port
Micro-USB port for conguration cloning between units
and software upgrades.
Audible alarm
Dual piezo with 3 volume levels (0-75 dB max.)
Communications
Protocols (BACnet objects can be found at setra.com) BTL- Compliant
BACnet/IP using IPv4, Ethernet CAT5 cables with RJ45
BACnet MS/TP up to 76.8 kbps, 3-conductor, twisted,
shielded 16-24 AWG cable
Electrical
Power
24 VAC (18-30 VAC operational), 50-60 HZ
Power draw
13 W max, 10 W typical
Wire
2 or 3-conductor (depending on application)
stranded unshielded twisted pair, 16-24 AWG
Connections
Removable Terminal Blocks
Regulatory Compliance
CSA, CE, RoHS, WEEE
Environmental Data
Operating temp. °F (°C)
32 to 120 (0 to 50)
Storage temp. °F (°C)
-40 to 185 (-40 to 85)
Operating humidity
5 to 95% RH (non-condensing)
Ingress Protection (IP) rating
IP54
Chemical Resistance
Exposed surfaces are chemically resistant to vaporized hydrogen peroxide (VHP),
formaldehyde, chlorine dioxide (clidox), perchloric acid, sodium hypochlorite 3-6%
(bleach), quaternary ammonium 7% in 1:128 tap water (ammonia).
Performance
Accuracy RSS
±0.25%
Non-linearity (BFSL)
±0.24%
Hysteresis
±0.05%
Non-repeatability
±0.05%
Span setting tol.
±0.5% Rdg
Zero/span shift % FS
± 0.03% PSI (±0.05% FS)
Overpressure
±1 PSI (15” WC for ≤0.10” WC FS)
Pressure media
Air or non-conductive, non-explosive gases
Pressure ttings
3/16” barbed ttings
Altitude
6562 ft. (2000 m) max.
Position
Housing to be 90° in reference to level surface, ±5°
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