GSM/GPRS module with or without analog input cable
Power supply
Auto detection of power source with display symbol for operation power
Internal battery pack
1 D-Cell 3.6 V/16.5 Ah
2 D-Cell 3.6 V/33 Ah
External battery pack
4 D-Cell 3.6 V/66 Ah
Mains power supply
12 … 24 V AC/DC (10 … 32 V) 2 VA
115 … 230 V AC (85 … 264 V) 2 VA
Both mains power supply systems are upgradable for battery backup via internal D-Cell (3.6 V 16.5 Ah) or external battery pack.
Cable
3 m (9.8 ft) for external connection to mains supply (without cable plug)
Features
Application identification
Tag number up to 15 characters
Time and date
Device embedded Real Time Clock (Synchronization with NTP server if GSM/GPRS module connected)
Totalizer
MAG 8000
3 totalizer: Configurable to Forward, Reverse and Bidirectional netflow
1 totalizer (following totalizer 1 setting) resetable via display key
Measurement
Low flow cut-off
7ME6810
Cut-off at 15 mm/s
7ME6820
Cut-off at 15 mm/s
7ME6880
1 % of Qmax (adjustable)
Empty pipe detection
Symbolised in display
Data logger
Logging of 26 records: selectable as daily, weekly or monthly logging
Alarm
Active alarm is indicated on the display.
Data protection
All data stored in an EEPROM. Totalizers 1 and 2 are backed up every 10 min, statistic every hour and power consumption and temperature measurement every 4 hours.
Password protection of all parameters and hardware protection of calibration and revenue parameters.
Battery power management
Optimal battery information on remaining capacity.
Calculated capacity includes all consuming elements and available battery capacity is adjusted related to change in ambient temperature.
Numbers of power-ups
Date and time registered for first and last time power alarm.
Diagnostic
Continuous self test including
Coil current to drive the magnetic field
Signal input circuit
Data calculation, handling and storing
Alarm statistics and logging for fault analyzing
Electrode impedance to check actual media contact
Flow simulation to check pulse and communication signal chain for correct scaling
Number of sensor measurements (excitations)
Transmitter temperature (battery capacity calculation)
Low impedance alarm for change in media
Flow alarm when defined high flow exceeds
Verification mode for fast measure performance check
Insulation test
(only Advanced version)
Test of signal immunity against disturbance and bad installation. Test interval is selectable and measurement is interrupted during the test period of 4 min.
Leakage detection
(only Advanced version)
Monitoring the lowest flow or volume during selected time window within 24 hours. Leakage is detected over a selectable period where monitored value exceed the possible leakage level. Min. and max. values are stored with date registration. Last store value visible on the display.
Meter Utilization
(only Advanced version)
6 registers for monitoring total time the meter has operated in different flow intervals. Registered intervals are free selectable as % of Qn (Q3).
Tariff
(only Advanced version)
6 tariff registers count the volume delivered within the selected tariff windows, based on time of day or flow rates or a combination.
Tariff can also be used for consumption profile where consumption is related to different time intervals or flow rates.
Tariff values visible on the display.
Settling date
(only Advanced version)
On a predefined date the totalizer 1 index value is stored. Old values are stored to show the latest two totalized 1 index values.
Settling values visible on the display.
Statistic
(only Advanced version)
Min. flow rate with time and date registration
Max. flow rate with time and date registration
Min. daily consumption with date registration
Max. daily consumption with date registration
Latest 7 days total and daily consumption
Actual month consumption
Latest month consumption
PC Configuration Software PDM
Meter configuration – online and offline mode
Own parameter settings
Parameter documentation
Print and export of data and parameters
PDM 8.2 Service Pack 1
MAG 8000 water meter uncertainty
To ensure continuous accurate measurement, flowmeters must be calibrated. The calibration is conducted at Siemens flow facilities with traceable instruments referring directly to the physical unit of measurement according to the International System of Units (SI).
Therefore, the calibration certificate ensures recognition of the test results worldwide, including the US (NIST traceability).
Siemens offers accredited calibrations assured to ISO 17025 in the flow range from 0.0001 m?/h to 10 000 m?/h. Siemens Flow Instruments accredited laboratories are recognized by ILAC MRA (International Laboratory Accreditation Corporation - Mutual Recognition Arrangement) ensuring international traceability and recognition of the test results worldwide.
The selected calibration determines the accuracy of the meter. A standard calibration results in max. ± 0.4 % uncertainty and an extended calibration ± 0.2 % (for MAG 8000 irrigation ± 0.8 %). A calibration certificate follows every sensor and calibration data are stored in the meter unit.
MAG 8000 (7ME6810) for Fire Service applications
MAG 8000 (7ME6810) is FM Fire Service approved for automatic fire protection systems according to the Fire Service Meters Standard, Class Number 1044. The approval is applicable for the sizes DN 50, DN 80, DN 100, DN 150, DN 200, DN 250, and DN 300 (2", 3", 4", 6", 8", 10", and 12") with ANSI B16.5 Class 150 flanges. The FM Fire Service approved product can be ordered via the Z-options P20, P21 and P22.
Grounding
The sensor body must be grounded using grounding straps and/or grounding rings to protect the flow signal against stray electrical noise. This ensures that the noise is carried through the sensor body and a noise-free measuring area within the sensor body. For MAG 8000 Irrigation grounding rings on both sides are factory-mounted.
Metal pipes
On metal pipes, connect the straps to both flanges.
Plastic pipes
On plastic pipes and lined metal pipes, optional grounding rings must be used at both ends.
Grounding rings has to be ordered separately see “grounding ring kit”
Combination of metal and plastic pipes
A combination of metal and plastic requires straps for metal pipe and grounding rings for plastic pipe.
Battery operation time and calculation
The battery operation time depends on the connected battery pack as well as the operation condition of the meter.
MAG 8000 calculates the remaining capacity every 4 hours and includes all consuming elements. Calculation compensates for temperature influence on battery capacity.
The grafic shows the effect from other temperatures. A variation in temperature from 15 °C to 55 °C (59 to 131 °F) reduces the capacity by 17 % in the table from 15 Ah to 12.5 Ah.
At typical revenue scenario of expected battery operation time can be seen in the table below.
The measurement for calculating the rest capacity of the battery life time is only completed if the system has no active fatal faults or the empty pipe is active. Maximum battery specification is 10 years operation.
Scenario - Revenue application
Output A
Pulse rate max. 10 Hz
Output B
Alarm or call-up
Meter dialog
1 hour per month
Add-com
None
Temperature profile
5 % at 0 °C (32 °F)
80 % at 15 °C (59 °F)
15 % at 50 °C (122 °F)
Battery lifetime (subject to the assumptions mentioned above)
MAG 8000 for abstraction and distribution network applications (7ME6810) and MAG 8000 CT for revenue and bulk metering (7ME6820)
Excitation frequency (24 h operation)
1/60 Hz
1/30 Hz
1/15 Hz
1/5 Hz
1.5625 Hz
3.125 Hz
6.25 Hz
2 D-Cell battery 33 Ah Internal battery pack
DN 25 … 200 (1” … 8")
9 years
9 years
7 years
43 months
8 months
3 months
2 months
DN 250 … 600 (10" … 24")
9 years
6 years
4 years
22 months
3 months
1 month
N/A
DN 700 … 1200 (28" … 48")
7 years
4 years
2 years
12 months
1 months
N/A
N/A
4 D-Cell battery 66 Ah External battery pack
DN 25 … 200 (1" ... 8")
15 years
15 years
14 years
86 months
16 months
7 months
4 months
DN 250 ... 600 (10" ... 24")
15 years
13 years
8 years
44 months
7 months
3 months
N/A
DN 700 ... 1200 (28" ... 48")
14 years
9 years
5 years
24 months
3 months
N/A
N/A
MAG 8000 for irrigation applications (7ME6880)
Excitation frequency (24 h operation)
1/60 Hz
1/30 Hz
1/15 Hz
1/5 Hz
1.5625 Hz
3.125 Hz
1 D-Cell battery Internal battery pack
DN 25 … 600 (1" … 24")
52 months
3 years
25 months
12 months
2 months
1 month
DN 700 … 1 200 (28" … 48")
3 years
2 years
1 year
6 months
1 month
N/A
2 D-Cell battery 33 Ah Internal battery pack
DN 50 … 600 (2" … 24")
8 years
6 years
4 years
22 months
3 months
2 months
DN 700 … 1 200 (28" … 48")
6 years
4 years
2 years
12 months
1 months
N/A
4 D-Cell battery 66 Ah External battery pack
DN 50 … 600 (2" … 24")
10 years
10 years
8 years
44 months
7 months
4 months
DN 700 … 1 200 (28" … 48")
10 years
8 years
5 years
24 months
3 months
N/A
MAG 8000 GSM/GPRS battery lifetime scenario
Transmission once a day and MAG 8000 factory settings
2 D-Cell battery 33 Ah Internal battery pack
3 years
4 D-Cell battery 66 Ah External battery pack
7 years
External battery pack can be used as battery backup for mains power supply (if two cable entries in one cable gland are needed, order cable glands with two entries, see accessories on page 3/xx)
Serial RS 232/RS 485 add-on communication modules are designed for mains powered systems as the battery operation time will be reduced. At 1 hour communication per month (all meter data collected 2 times per day) and the module is connected, the operation time is reduced to:
RS 232:
low excitation frequency: 10 % of calculated operation time
high excitation frequency: 80 % of calculated operation time
RS 485:
low excitation frequency: 50 % of calculated operation time
high excitation frequency: 90 % of calculated operation time
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