Technical data
Technical data
42
BA51101/11.95/Pro/LF538-1
BA51101/11.95/Pro/LF538-1
43
Salinity
Range:
Resolution:
Accuracy:
according to IOT chart
source: "UNESCO Technical Papers in marine
sciences 36"
0.0 ... 70.0
0.1
after adjustment (via cell constant) to 35.0:
• ±
0.1 in the range 0.0 ... 42.0 at test sample
temperature 5 ... 25°C.
• ±
0.2 in the range of 0.0 ... 42.0 at test sample
temperature 0 ... 5°C resp. 25 ... 30°C
•
better than 3 % of measured value in the
range 42.0 ... 70.0.
TDS
Range:
Resolution:
Accuracy:
0 ... 1999 mg/l
1 mg/l
±
2 %
±
1 digit at test sample temperature
15°C ... 35°C.
Factor adjustable between 0.40 ... 1.00.
Temperature
Range:
Resolution:
Accuracy:
-5 ... 99.9°C
0.1 K
0.1 K
±
1 digit at operating temperature
-10°C ... +55°C
Measuring rate
Renewal of measured value: approx. every
1.2 sec
With active serial interface: approx. every
3.5 sec.
Data storage
Ring memory
Number of values:
50 pairs
Output:
Display,
RS 232 interface
Data protection:
any long
Display
WTW-specific LCD-display
Height:
35 mm
Width:
60 mm
Keyboard
Field with 10 keys
Inputs
8 pin WTW special socket
Temperature sensor
2 x 4 mm jack
TFK 325 as separated temperature sensor (only
together with conductivity cells without integrated
temperature sensor)
Socket for power supply
2 pin special socket for line adaptor
Voltage: 12 V
Current: 70 mA
Outputs
Platinizing output
8 pin WTW special socket
Impressed direct current 6 mA
Polarity can be chosen with key
Accuracy: + 1 mA with operating temperature
-10°C ... +55°C
Analog output
2 x 4 mm jack for recorder,
not galvanically isolated
Signal range:
0 ... 1.999 V for range voltage
0 ...1999 digit
Accuracy:
±
0.5 % of displayed value
±
0.1 mV
at ambient temperature -10°C ... +55°C
Source resistance:
< 5
Ω
(Current limit
max. 0.2 mA output current)
Digital interface
RS 232
4 pin special socket for
RS 232 cable AK 325/B or
Printer cable AK 325/S
Serial interface, not galvanically isolated
Data output, no separate excitation
Baud rate:
4800
Data bits:
8
Stop bit:
1
Parity:
none
Handshake:
RTS/CTS Handshake
Max. cable length: 15 m
Output format:
ASCII-strings
separator CR, LF
Environmental conditions
Ambient temperature
Relative humidity
Operation:
+ 5°C ... + 40°C
Storage:
- 25°C ... + 65°C
Yearly mean:
<
75 %
30 days/year:
<
95 %
Remaining days: <
85 %
EMC
Interference transmission
Disturbance
Generic standard EN 50081-1
FCC class A
Generic standard EN 50082-2
Namur recommendation (standard requirements)
Power supply
Line adapter
230 VAC: Friwo FW1199/11.7864,
Friwo Part. No. 1762613
120 VAC: Friwo FW1199/11.7880,
Friwo Part. No. 1794043
