11 | Technical data PH20
30 / 33 B-H86.0.11.DB201-1.0
11 Technical data
Measuring range pH 0.00 .. 14.00 pH
Temperature compensation -5 .. 150 °C (or 23 .. 302 °F)
Accuracy pH (device) ± 0.02 pH ± 1 digit
Nominal temperature 25°C
Input resistance pH ca. 10
12
Ohm
Measuring cycle approx. 2 measurements per second
Connections pH BNC connection for pH electrode
Display 3-line segment LCD, additional symbols, illuminated (adjustable white,
permanent illumination)
Additional functions Min/Max/Hold
pH calibration Manual 1- or 2-point or automatic 2-point calibration
Housing Break-proof ABS housing
Protection rating IP65 / IP67 (only with sensors identified as waterproof in the connected
state for devices with BNC connection)
Dimensions L*W*H
[mm] and weight
108 * 54 * 28 mm without BNC plug
130 g, incl. battery, without electrode
190 g, incl. battery and electrode
Operating conditions -20 to 50 °C; 0 to 95 % r.h. (temporarily 100 % r.h.)
Storage temperature -20 to 70 °C
Current sup-
ply
2*AA battery (included in the scope of delivery)
Current requirement/
battery life
approx. 0.7 mA, approx. 2.5 mA with lighting
Service life > 3000 hours with alkaline batteries (without backlighting)
Battery indicator 4-stage battery status indicator,
Replacement indicator for depleted batteries: "BAT"
Auto-power-OFF function The device switches off automatically if this is activated
Directives and standards The devices conform to the following Directives of the Council for the
harmonisation of legal regulations of the Member States:
2014/30/EU EMC Directive
2011/65/EU RoHS
Applied harmonised standards:
EN 61326-1:2013 Emission limits: Class B
Immunity according to Table 2
Additional errors: < 0.5 % FS
EN 50581:2012
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