BKI 11 ATEX 0012 X
le00100a0600p_05
17 / 60
M
EASUREMENT DATA
pH measurement
Range:
0…14pH,
Reserve:
±2pH,
Accuracy*:
0.1% of the measured value ±1 digit ±0.01% /°C,
Linearity:
±0.004pH,
Resolution:
0.01pH, (internal resolution 0.004pH),
Measuring cycle:
300msec, on display: 1 sec
ORP measurement
Range:
±1000mV,
Reserve:
±200mV,
Accuracy*:
0.1% of the measured value ±1 digit ±0.01% /°C,
Linearity:
±0.001%,
Resolution:
0.1mV,
Measuring cycle:
300msec, on display: 1sec
DO measurement
Range:
0…20ppm v. 0…10ppm,
Reserve:
20%,
Accuracy*:
0.5% of the measurement range ±1 digit ±0.01% /°C,
Linearity:
±0.05ppm,
Resolution:
0.01ppm, (internal resolution 0.005ppm),
Measuring cycle:
300msec, on display: 1sec
* Depends on the selected electrode / sensor!
S
PECIAL DATA FOR
E
X APPROVED MODELS
Ex marking
II1G Ex ia
IIB T6 Ga
Intrinsically safe data
Ci
≤
15 nF, Li
≤
200
H, Ui
≤
30 V, Ii
≤
140 mA, Pi
≤
1 W
For Ex transmitter only Ex ia power supply should be used
Ex power supply
Uo < 30 V, Io < 140 mA, Po < 1 W, power supply voltage range 12 V … 30 V, R
t
max
= [U
t
– 12 V] / 0.022 A
Medium temperature
With pH and ORP probe: for PP sensor housing: –10... +70 °C, PVDF sensor housing: –15... +80 °C
With DO probe: : 0… +50 °C
Ambient temperature
Metal housing: -30 °C … +70 °C with display: -20 °C … +70 °C, Plastic housing : -20 °C … +70 °C