PEF1IP68V04 2017 11 20
Firmware version 0.08
Behavior of the meter, when the flow rate exceeds the maximum Q value
Q ≤ 1,2Q4linear
Q > 1,2Q4limit 1,2Q4 , The error „Maximum
allowable value of flow rate is exceeded“
is registered and duration of error is
calculated.
Protection class of calculator enclosure IP65
Protection class of flow sensor enclosure IP65 (IP67, IP68 - by special ordering)
Volume measurement unit’s m3
Resolution of a displaying device 0,001 m3
Displaying range 99999,999 m3
The maximum permissible error (MPE), on volumes delivered at flow rate between the transitional flow rate Q2
(included) and the overload flow rate Q4(included) is:
- When water temperature ≤ +30 ºC 2 %
- When water temperature > +30 ºC 3 %
The maximum permissible error (MPE), on volumes delivered at flow rate between the minimum flow rate Q1
(included) and the transitional flow rate Q2(excluded) for water having any temperature is: 5%
Maximum admissible working pressure 16 bar (MAP 16), 25 bar (MAP 25)
Pulse inputs (additional):
Number of pulse inputs 2
Measurement unit’s m3
Pulse value programmable
Type of pulses IB by LST EN1434-2
Maximum permissible frequency of input pulses 3 Hz
Maximum permissible voltage of input pulses 3,6 V
Condition of maintenance of high level 3,6V via 3,3Mresistor
Display (LCD):
The device is equipped with 8-digits LCD (Liquid Crystal Display) with special symbols to display
parameters, measurement units and operation modes
The following information can be displayed: integral and instantaneous measured parameters, and archive
data, and device configuration information listed in p.6.3.
Display resolution of volume: 00000,001 m3
If internal battery is discharged or disconnected - all integral values and archive data are stored for at least
15 years and can be accessed by connecting the working condition of the battery power.
Data registration and storage:
Every hour, day and month values of the measured parameters are stored in memory of the meter
All data from archive can be read only by means of the remote reading (see p.6.5)
In addition data logger records of monthly parameters can be seen on the display (see p. 6.3.1)
Following hourly, daily and monthly parameter values are recorded in water meter memory:
Total volume (possibility for special ordering)
Revers volume (possibility for special ordering)
Integrated pulse value in pulse input 1
Integrated pulse value in pulse input 2
Maximum flow rate value and date
Maximal temperature and date (if used)
Minimal temperature and date (if used)
Operating time without an error
Time when the flow rate exceeded 1.2 Q4
Time when the flow rate was less than Q1
Data logger capacity:
up to 1480 h –for hourly records.
up to 1130 days - for daily records,
up to 36 last months - for monthly records,
Archive data storage time not less than 36 months
Storage time of measured integrated parameters even if device is disconnected from power supply
not less than 16 years.
