MemoTrans
50
Oxygen sensor standardization
Operating modes
Slope
Zero point
Electrolyte
Save electrolyte replacement
Save membrane cap
Calibration timer
0000
…
10,000 h (hours)
Measurement error
± 50 µA at 20 mA
± 20 µA at 4 mA
Temperature drift:
T = 25 °C / 77 °F
T = 25 °C / 77 °F
Max. permitted drift of current output: 1.5 µA/K
Response time of current
output
t
90
= max. 500 ms for a jump from 0 to 20 mA
Resolution of current output
< 5 μA
Time
The date and time function runs only while the device is supplied with power.
When power supply is disrupted, the clock will be reset to default.
Start time: Date: 1/1/1970 Time: 0:00 hrs
Alarm indication
Green/red LED (depending on alarm settings)
HART communication
Digital transmission of device identification, measured values, status and messages,
parameter setting, calibration
pH calibration data
Date, time, mode (calibration method), number of calibrations, zero, slope,
isothermal point, buffer 1/2, delta zero, delta slope, serial number of calibration
unit (device serial number)
ORP calibration data
Date, time, mode (calibration method), number of calibrations, offset, buffer 1,
delta offset, serial number of calibration unit (device serial number)
Conductivity calibration data
Date, time, mode (calibration method), number of calibrations, cell constant, delta
cell constant, conductivity reference value, temperature, serial number of
calibration unit (device serial number)
Oxygen calibration data
Date, time, device serial number, number of calibrations, mode (calibration
method), zero, delta zero, slope, delta slope
Diagnostics
Diagnostic information
Memosens sensor
Glass impedance, slope, delta slope, zero, delta zero, max. operating hours,
sterilizations, sterilizations of cap, sensor condition, pharma water, etc.
(specifications varying depending on the sensor type)
Diagnostic information
MemoTrans
Alarm delay during sensor replacement
Diagnostic behavior (maintenance/alarm)
Fault current
LED indication acc. to NAMUR status signal
Status signal acc. to NE 107
EMC
EN 61326-1, EN 61326-2-5, EN 301489-17, EN 61326-2-3, EN 301489-1,
NAMUR NE 21
Electrical safety
EN 61010-1
RoHS conformity
2011/65/EU (L174/88)
