GF Signet 2000 User Manual

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

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