GF Signet 2551 Magmeter Flow Sensor - Display - Manual (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 Ÿ
• 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 3 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
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
.7
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)
0
-20 0 20 40 60 80 100 120
°F
°C
-4 32 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