GF Signet 2552 User Manual

Signet 2552 Magmeter
*3-2552.090*
3-2552.090 Rev. C 04/07
SAFETY INSTRUCTIONS
1. Depressurize and vent systems without Hot-tap valve 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 disassemble or alter product construction.
6. Disconnect power before attempting any service or wiring.
Specifi cations
Wetted Materials:
• 316L Stainless Steel body and electrodes
• PVDF Insulator
• O-rings: FPM standard, EPDM, Kalrez® optional
• Cable: 4-cond + shield, PVC jacket (Fixed cable models)
• Watertight rubber cable assembly w/NEMA 6P connector
(Submersible cable models)
Power Requirements
• 4 to 20 mA: 24 VDC nominal, 22.1 mA maximum
(21.6 VDC min. to 26.4 max.)
400 mV p-p maximum ripple voltage
• Frequency: 5 to 24 VDC nominal, 15 mA maximum
(5 VDC min. to 26.4 VDC max.)
• Digital (S 3 L): 5 VDC nominal, 15 mA maximum
(5 VDC min. to 6.5 VDC max.)
• Reverse polarity and short circuit protected
Performance
• Pipe size range:
• Minimum Flow Range
Maximum Flow range:
• Linearity:
• Repeatability
• Accuracy:
reference conditions where the fl uid is water at ambient
temperature, the appropriate upstream and downstream
distances are observed, the sensor is inserted at the correct
depth and there is a fully developed fl ow profi le which is in
compliance with ISO 7145-1982 (BS 1042 section 2.2))
• Minimum Conductivity: 20 µS/cm
Output Specifi cations
Current output (4 to 20 mA)
• Programmable and reversible
• Loop Accuracy:
• Temp. drift:
• Power supply rejection: ±1 µA per V
• Isolation: Low voltage
• Maximum cable:
Max. Loop Resistance: 300 Ω
•
• Error condition:
Frequency output:
• Compatible with Signet 5075, 5500, 5600, 8550 and 8900
• Max. Pull-up Voltage:
Short Circuit Protected: ≤30 V @ 0Ω pull-up for one hour
•
• Reverse Polarity Protected to -40 V for 1 hour
• Overvoltage Protected to +40 V for 1 hour
• Minimum Current Sink: 50 mA
• Maximum cable:
2 in. to 48 in.
0.05 m/s (0.15 ft/s)
10 m/s (33 ft/s)
±1% reading + 0.1% of max. range
±0.5% of reading @ 25°C
±2% of measured value (in
32 µA max. error
(@ 25°C @ 24 VDC)
±1 µA per °C max.
<48 VAC/DC
from electrodes and auxiliary power
300 m (1000 ft.)
22.1 mA
30 VDC
300 m (1000 ft.)
3
Digital (S L) Output:
• Compatible with Signet 8900
• Serial ASCII, TTL level 9600 bps
• Maximum cable:
Tests, Approvals & Standards
• CE
• EN 61326 Emissions and Immunity for Control Equipment
Immunity: EN 61000-6-1
Emissions: EN 55011 class B
Environmental
• NEMA 4 / IP65 (Fixed cable models only)
• NEMA 6P / IP68 (Submersible cable models only)
• Storage Temperature:
• Operating Temperature (non-icing conditions)
Ambient:
Media:
• Max. operating pressure:20.6 bar @ 25°C (300 psi @ 77°F)
bar psi
20.6
300
19.8
275
18.1
250
16.4
225
14.7
200
12.9
175
11.2
150
9.5
125
7.8
100
6.0
75
Safe Media Pressure
4.3
50
and
2.6
25 Temperature Range
0.9
0
-20 -10 0 10
°C
°F 5 23 41 59 71
Application dependent
(See 8900 manual)
-15°C to 70°C (5°F to 158°F)
(non-icing conditions)
-15°C to 70°C (5°F to 158°F)
-15°C to 85°C (5°F to 185°F)
20 30 40 50 60 70 80 90
95 113 131 158 185
English
100
212