Signet 2552 Magmeter
*3-2552.090*
3-2552.090 Rev. C 04/07
English
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.
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: 2 in. to 48 in.
• Minimum Flow Range 0.05 m/s (0.15 ft/s)
Maximum Flow range: 10 m/s (33 ft/s)
• Linearity: ±1% reading + 0.1% of max. range
• Repeatability ±0.5% of reading @ 25°C
• Accuracy: ±2% of measured value (in
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: 32 µA max. error
(@ 25°C @ 24 VDC)
• Temp. drift: ±1 µA per °C max.
• Power supply rejection: ±1 µA per V
• Isolation: Low voltage <48 VAC/DC
from electrodes and auxiliary power
• Maximum cable: 300 m (1000 ft.)
• Max. Loop Resistance: 300 Ω
• Error condition: 22.1 mA
Frequency output:
• Compatible with Signet 5075, 5500, 5600, 8550 and 8900
• Max. Pull-up Voltage: 30 VDC
• 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: 300 m (1000 ft.)
Digital (S
3
L) Output:
• Compatible with Signet 8900
• Serial ASCII, TTL level 9600 bps
• Maximum cable: Application dependent
(See 8900 manual)
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: -15°C to 70°C (5°F to 158°F)
(non-icing conditions)
• Operating Temperature (non-icing conditions)
Ambient: -15°C to 70°C (5°F to 158°F)
Media: -15°C to 85°C (5°F to 185°F)
• Max. operating pressure:20.6 bar @ 25°C (300 psi @ 77°F)
Specifi cations
10
100
158 185 212
-10
41
20-20 30 40 50 60 70 80 90
59 71
°F
°C
5
0
0.9
150
175
300
200
225
50
25
2.6
75
100
125
23
250
275
95 113 131
20.6
11.2
7.8
9.5
16.4
bar psi
Safe to operate Hot-tap
Safe Media Pressure
and
Temperature Range
14.7
18.1
12.9
4.3
6.0
19.8
To Next Page
Need help?
General
