Gf-signet 2551 Magmeter Flow Sensor - Display Manuel d'utilisateur télécharger pdf (Page 2)

2 2551 Magmeter

General

• Pipe size range: DN15 to DN900 (½ to 36 in.)

• Flow Range Minimum: 0.05 ms (0.15 ft/s)

(Bi-directional) Maximum: 10 ms (33 ft/s)

• Linearity: ±1% of reading +0.01 ms (0.033 ft/s)

• Repeatability ±0.5% of reading @ 25 °C (77 °F)

• Minimum Conductivity: 20 S/cm

Wetted Materials:

• Sensor body and Electrodes and Grounding ring:

• -P0, -P1, -P2: Polypropylene and 316L SS

• -T0, -T1, -T2: PVDF and Titanium

• -V0, -V1,-V2: PVDF and Hastelloy-C

• O-rings: FPM (standard)

EPDM, FFPM (optional)

The user is responsible for determining the chemical

suitability of these materials for a speci c application.

Power Requirements

• 4 to 20 mA: 21.6 to 26.4 VDC, 22.1 mA max.

400 mV p-p maximum ripple voltage

• Frequency: 5 to 26.4 VDC, 15 mA max.

• Digital: 5 to 6.5 VDC, 15 mA max.

• Auxiliary (only required for units with relays):

9 to 24 VDC, 0.4A max

• Reverse polarity and short circuit protected

Output Speciﬁ cations

Current output (4 to 20 mA)

• Max Loop Resistance: 300 

• Loop Accuracy: 32 A max. error (25 °C @ 24 VDC)

• Temp. drift: ± 1 A per °C max.

• Power supply rejection: ± 1 A per V

• Isolation: Low voltage < 48 VAC/DC

from electrodes and aux power

• Maximum cable: 300 m (1000 ft.)

• Error condition: 22.1 mA

Frequency output:

• Output modes: Freq, Freq÷10, or Mirror Relay 1

• Max. Pullup Voltage: 30 VDC

• Max. Current Sink: 50 mA, current limited

• Maximum cable: 300 m (1000 ft.)

• Reverse Polarity Protected to -40 V

Digital (S

L) Output:

• Serial ASCII, TTL level 9600 bps

• Compatible with Signet 8900 and 9900

Relay Speciﬁ cations

• Relay 1 and 2 Type: Mechanical SPDT

Rating: 5 A @ 30 VDC max., 5 A @ 250 VAC max.

• Relay 3 Type: Solid State

Rating: 50 mA @ 30 VDC, 50 mA @ 42 VAC

Hysteresis: Adjustable, plus timer delay

Trigger Delay: Adjustable (0 to 9999.9 sec.)

Relay Modes: Off, Low, High, Window, and

Proportional Pulse

Relay Source: Flow Rate, Resettable Totalizer

Error Condition: Selectable; Fail Open or Fail Closed

Display

Characters: 2 x 16

Contrast: User-set in four levels

Backlighting (only on relay versions):

Requires external 9-24 VDC, 0.4 mA max.

2. Speciﬁ cations

100

110

120

130

140

150

160

170

180

1.4

2.1

2.8

3.4

4.1

4.8

5.5

6.2

6.9

7.6

8.3

9.0

9.7

10.3

11.0

11.7

12.4

(bar)(psi)

-20

020

60 80 100 120

°F

°C

-4

68 104 140 176 212

248

Dimensions

116.8 mm

(4.6 in.)

-X0

-X1

-X2

95.3 mm

(3.75 in.)

Pipe Range

1/2 to 4 in. -X0 = 58 mm (2.3 in.)

5 to 8 in. -X1 = 91 mm (3.6 in.)

10 to 36 in. -X2 = 167 mm (6.6 in.)

X = Sensor Body P, T, or V

Environmental Requirements

• Case: PBT

• Display window: Polyamide

Storage Temperature: -20 to 70 °C (-4 to 158 °F)

Relative Humidity: 0 to 95% (non-condensing)

Operating Temperature

• Ambient: -10 to 70 °C (14 to 158 °F)

• Media: 0 to 85 °C (32 to 185 °F)

Max. operating pressure:

10.3 bar @ 25 °C (150 psi @ 77 °F)

1.4 bar @ 85 °C (20 psi @ 185 °F)

Standards and Approvals

• CE

• UL, CUL (for display versions with relays)

• NEMA 4X / IP65 Enclosure (with cap installed)

China RoHS

For more information go to www.gfsignet.com

Declaration of Conformity according to FCC Part 15

This device complies with Part 15 of the FCC rules.

Operation is subject to the following two conditions:

(1) This device may not cause harmful interference, and,

(2) This device must accept any interference received,

including interference that may cause undesired operation.

Operating Temperature/Pressure

1 2 3 4 5 6 7 ... 19 20

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Gf-signet 2551 Magmeter Flow Sensor - Display Manuel d'utilisateur Page 2

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