wtw pH 7110 - Accuracy (± 1 digit)

pH 7110 Technical data
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11.1.3 Accuracy (± 1 digit)
11.2 General data
Parameter Accuracy
Temperature of the
test sample
pH / range
*
- 2.0 ... + 20.0
- 2.00 ... + 20.00
- 2.000 ... + 19.999
* when measuring in a range of ± 2 pH around a calibration point
± 0.1
± 0.01
± 0.005
+ 15 °C ... + 35 °C
+ 15 °C ... + 35 °C
+ 15 °C ... + 35 °C
U [mV] / range
- 2000 ... + 2000
-1200.0 ... +1200.0
± 1
± 0.3
+ 15 °C ... + 35 °C
+ 15 °C ... + 35 °C
T [°C] / temperature sensor
•NTC 30
• PT 1000
± 0.1
± 0.1
Dimensions Approx. 240 x 190 x 80 mm
Weight Approx. 1.0 kg
Mechanical
structure
Type of protection IP 43
Electrical
safety
Protective class III
Test certifi-
cates
CE, cETLus
Ambient
conditions
Storing: - 25 °C ... + 65 °C
Operation: -10 °C ... + 55 °C
Allowable relative humidity
Yearly mean: < 75 %
30 days/year: 95 %
Other days: 85 %