Signet 2551 - Specifications; General Specifications; Wetted Materials; Electrical Specifications

2 2551 Magmeter
SAFETY INSTRUCTIONS
1. Depressurize and vent system prior to installation or removal.
2. Confi rm chemical compatibility before use.
3. Do not exceed maximum temperature/pressure specifi cations.
4. Wear safety goggles or face shield during installation/service.
5. Do not alter product construction.
6. Disconnect power before attempting any service or wiring.
2. Specifi cations
0
0
40 80 120 160 200
-18
27
49
71 93
°F
°C
40
80
120
160
200
3
6
8
11
14
psi
bar
240
115
Media Temperature
Operating Pressure
2551
Operating
Range
2551 Pressure vs. Temperature
Dimensions
General
Pipe size range: DN15 to DN 300 (0.5 in. to 12 in.)
Flow Range
• Minimum: 0.05 m/s (0.15 ft/s)
• Maximum: 10 m/s (33 ft/s)
Linearity: ±1% reading plus 0.01m/s (0.033 ft/s)
Repeatability: ±0.5% of reading @ 25°C (77°F)
Minimum Conductivity: 20 μS/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
• -W0, -W1, -W2: PVDF and 316L SS
• O-rings: FPM (standard)
EPDM, FFPM (optional)
The user is responsible for determining the chemical
suitability of these materials for a specifi c application.
• Case: PBT
• Display window: Polyamide
Electrical
Power Requirements
• 4 to 20 mA: 21.6 to 26.4 VDC, 22.1 mA max.
• Frequency: 5 to 26.4 VDC, 15 mA max.
• Digital (S
3
L): 5 to 6.5 VDC, 15 mA max.
Reverse polarity and short circuit protected
Current output (4 to 20 mA):
• Loop Accuracy:
32 μA max. error (25°C @ 24 VDC)
• Isolation: Low voltage < 48 VAC/DC from electrodes and
auxilary power
• Maximum cable: 300 m (1000 ft.)
• Error condition: 22.1 mA
• Max. Loop Resistance: 300 Ω
• Compatible with PLC, PC or similar equipment
Frequency output:
• Max. Pull-up Voltage: 30 VDC
• Compatible with Signet 5075, 5500, 5600, 8550, 8900
Digital (S
3
L) Output:
• Serial ASCII, TTL level 9600 bps
• Compatible with Signet 8900
Environmental Requirements
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
NEMA 4X / IP65 Enclosure (with cap installed)
EMC: EN55011: 1998 +A1:99+A2:02
Class B Emissions
EN61326: 1997 +A1:98+A2:01
EN61000-6-2:2001
Safety: EN61010-1:2001
U.S. Patent No. 7,055,396 B1
Chinese RoHS
For more information go to www.gfsignet.com
94 mm
(3.7 in.)
79.25 mm
(3.12 in.)
-X0
-X1
-X2
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 12 in. -X2 = 167 mm (6.6 in.)
X = Sensor Body P, T, V, or W