3
Signet 2000 Micro Flow Sensor
Recommended Sensor Position
Compatible Instrument Wiring
Speci
fi
cations
General
Flow Range:
-11 & -12 version ............0.11 to 2.6 lpm (0.03 to 0.7 gpm)
-21 & -22 version............1.13 to 12.11 lpm (0.3 to 3.2 gpm)
Linearity .............................±1.2% of full range
Repeatability ......................±0.5% of full range
Connections.......................1/4 in. NPT (male) or
ISO 7/1 - R1/4 (male)
Wetted Materials
Sensor Body and Cover ....40% glass
fi
lled Polyphenylene
Sul
fi
de
Rotor ..................................PEEK
®
, natural, un
fi
lled
Cover O-ring ......................FKM
Electrical
Power ................................5 to 24 VDC ±10%, regulated,
10 mA max.
Output type:
Open-collector, sinking, 10 mA
max.
Cable Length .....................7.6 m (25 ft), can be extended up
to 300 m (1000 ft)
Cable Type ........................2-conductor twisted pair w/shield
(Belden 8451)
Max. Pressure/Temperature Ratings
0 °C to 80 °C (32 °F to 176 °F) @ 5.5 bar (80 psi) max
Shipping Weight
250 g (9.6 oz)
Standards and Approvals
•
Manufactured under ISO 9001 for Quality and ISO 14001
for Environmental Management and OHSAS 18001 for
Occupational Health and Safety
PEEK
®
is a registered trademark of Victrex plc.
Technical Notes:
• Use 2-conductor twisted-pair shielded cable for
sensor cable splices up to 300 m (1000 ft) max.
• Maintain cable shield through cable splice.
• Route sensor cable away from AC power lines.
•
AUX power required when used with any Signet
8550 Process Pro Flow Transmitter.
Signet 2000
Input
Gnd.
10 k
Ω
+
5 to 24
VDC
-
Black
Shield
Red
Other
Instrument
Black (5 to 24 VDC)
Red (Signal out)
Shield (DC return)
Blk
Power
Red
Freq. input
Shld
Gnd
Other
Instrument
Signet
Instrument
Technical Notes:
• Horizontal surface mount (±30°) recommended for
optimum performance.
• Suitable for clean
fl
uids only. Suspended solids will
cause mechanical failure.
• 1/4 in. NPT or ISO 7/1 - R1/4 (male) port connections
• NEMA 4X/IP65 splashproof enclosure.
0°
30°
30°
Recommended
mounting angles
Vertical mounting
not recommended
