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Signet 2000 Micro Flow Sensor
0°
30°30°
*3-2000.090-1*
3-2000.090-1 Rev. E 7/09 English
SAFETY INSTRUCTIONS
1. Depressurize and vent system prior to installation/removal.
2. Confi rm chemical compatibility before use.
3. Do not exceed maximum temperature/pressure specifi cations.
4. Wear safety goggles or faceshield during installation/service.
5. Do not alter product construction.
1. Compatible Instrument Wiring
Signet 2000
Black (5 to 24 VDC)
Red (Signal out)
Shield (DC return)
English
Signet
Instrument
Blk
Power
Red
Freq. input
Shld
Gnd
Black
Shield
Red
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.
10 kΩ
+
-
Gnd.
Input
2. Recommended Sensor Position
Technical Notes:
Other
Instrument
5 to 24
VDC
Other
Instrument
Recommended
mounting angles
• Horizontal surface mount (±30°) recommended for
optimum performance.
Vertical mounting
not recommended
• 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
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3. Surface Mount Instructions
1
Mounting surface
Remove sensor then use correct
2
screws for panel material.
120°
#6 or M3 metric
screws recommended
Mounting surface (top),
68 mm (2.68 in.) bolt circle
4. Fitting Installation
CAUTION:
• Maximum pipe fi tting torque: 13 Nm (10 lb)
• DO NOT overtighten. Failure to observe torque specifi cation may permanently damage sensor ports.
Pipe fittingPipe
Technical Notes:
• Compatible fi ttings (customer supplied): Female union (shown), reducer, or hose barb type.
• Always apply thread sealant to sensor port threads to prevent leakage.
2000
Sealant
Pipe fitting Pipe
5. Calibration
Mounting surface (side)
The K-Factors listed below represent the number of pulses the sensor will generate for each engineering unit of fl uid which passes.
They are listed in U.S. gallons, liters and ml by sensor model:
K-FACTORS
Sensor
Model
Pulses per U.S.
GAL
Pulses per
Liter
Pulses per
ml
3-2000-11 9950 2629 2.629
Conversion Formulas:
1 U.S. gallon =
0.83267 Imperial gallon
3-2000-12 9950 2629 2.629
3-2000-21 3160 834.9 0.835
3-2000-22 3160 834.9 0.835
2 Signet 2000 Micro Flow Sensor
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6. Specifi 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)
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)
Weight: 250 g (9.6 oz.)
Max. pressure/temperature:
0 °C to 80 °C (32 °F to 176 °F) @ 5.5 bar (80 psi) max.
psi
25
20
15
10
bar
1.7
1.4
1.0
0.7
5
0.3
0
0
3-2000-1X 3-2000-2X
Pressure Drop Across Sensor vs. Flow Rate
0 1.9 3.8 5.7 7.6 9.5 11.4
0 0.5 1 1.5 2 2.5 3
Wetted Materials
• Sensor body and cover: 40% glass fi lled Polyphenylene
Sulfi de
• Rotor: PEEK
• Cover O-ring: FPM
Electrical
Power: 5 to 24 VDC ±10%, regulated,
10 mA max.
Output type: Open-collector, sinking, 10 mA max.
Standards and Approvals
• CE
• Manufactured under ISO 9001 and ISO 14001
China RoHS (Go to www.gfsignet.com for details)
PEEKTM is a registered trademark of Victrex plc.
TM
, natural, unfi lled
lpm
gpm
Dimensions
Top View
100 mm (3.94 in.)
Mounting tabs for metric M3 or
standard #6 screws on 68 mm
(2.68 in.) bolt circle
Side View
36 mm (1.42 in.)
81 mm
(3.2 in.)
3Signet 2000 MICRO FLOW SENSOR
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Ordering Information
Mfr. Part No. Code Description
3-2000-11 198 822 000 Micro Flow Sensor, low w/0.25 in. NPT
3-2000-12 198 822 001 Micro Flow Sensor, low w/ISO 7/1-R1/4
3-2000-21 198 822 002 Micro Flow Sensor, high w/0.25 in. NPT
3-2000-22 198 822 003 Micro Flow Sensor, high w/ISO 7/1-R1/4
Accessories
Mfr. Part No. Code Description
3-2000.090-1 198 869 911 Instruction manual
3-2000.390 198 820 050 Replacement rotor kit
1220-0029 198 820 049 Cover O-ring
2450-0620 198 820 051 Cover screw
5523-0222 159 000 392 Cable (per foot), 2 cond. w/shield, 22 AWG
Georg Fischer Signet LLC, 3401 Aerojet Avenue, El Monte, CA 91731-2882 U.S.A. • Tel. (626) 571-2770 • Fax (626) 573-2057
For Worldwide Sales and Service, visit our website: www.gfsignet.com • Or call (in the U.S.): (800) 854-4090
For the most up-to-date information, please refer to our website at www.gfsignet.com
3-2000.090-1 Rev. E 7/09 English Georg Fischer Signet LLC 2009
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