Page 371 - Bürkert

pH Transmitter

8202 ELEMENT • Accepts all standard pH probes

• Removable programming puck
• Data upload/download via puck
• With temperature compensation
• Diagnostic function

Please see fittings

pH transmitter with programmable outputs. pH and temperature output Envelope Dimensions [mm] (see datasheet for details)
via single or dual analog 4-20 mA. Two transistor outputs are also
included. Transmitters are engineered for a wide scope of measuring
ranges and can be delivered in 2-wire or 3-wire configurations. Intelligent,
integrated, beautiful design fits perfectly with an assortment of easily
configured fittings.
Complete pH transmitter
Technical Data
consists of a pH Transmitter
pH measurement (Type 8202) a pH probe
Measuring range -2 to 16 pH or -580 to +580 mV
Resolution 0.001 pH or 0.1 mV (Type 8203) a detachable
Accuracy ±0.02 pH or 0.5 mV display / control unit and an
Minimal pH scale 0.5 pH or 30 mV adapter (Type S022).
(i.e 6.7 to 7.2 pH or -20 to +10 mV corre-
sponding to 4-20 mA)
Temperature compensation Automatic via integrated temperature sensor
Pt. 1000
Temperature performance Measuring range -40 °C to +130 °C
(via integrated Pt1000) (-40 to 266 °F) A B C
Resolution 0.1 °C (0.18 °F) 111 75 338
Accuracy ± 1 °C (1.8 °F)
Minimal temperature scale 10 °C (18 °F) (i.e 10 °C to 20 °C (50 to 68 °F)
corresponding to 4-20 mA)
Available fitting materials Stainless, PP, PVC Technical Data (continued)
Housing material Stainless steel, PPS, PC
Insertion finger PVDF Outputs 4-20 mA configurable temperature or pH
Gasket seal EPDM 2 Transistors, configurable, open collector,
700 mA max., 0.5 A max. per transistor if the
Max. fluid temperature -20 ºC to +130 ºC 2 transistor output are wired
(depending on fitting & pH probe)
with PVC nut connection 0 °C to 50 °C Output load 1100 Ω at 36 V
610 Ω at 24 V
Max. fluid pressure 0-16 bar 180 Ω at 14 V
Ambient temperature -10 ºC to +60 ºC Electrical data
Relative humidity ≤ 85%, without condensation Power supply
Storage temperature -10 ºC to +60 ºC (without probe) 3 outputs transmitter (2-wire) 14-36 V DC, filtered and regulated
Ingress protection IP65, IP67 4 outputs transmitter (3-wire) 12-36 V DC, filtered and regulated
Voltage supply 14-36 V DC for 2-wire models Current consump. with sensor ≤ 1 A (with transistor loads)
12-36 V DC for 3-wire models 3 outputs transmitter (2-wire) ≤ 25 mA (at 14 V DC without transistor loads,
Electrical protection Reversed polarity of DC and peak protected 4 outputs transmitter (3-wire) with current loop)
≤ 5 mA (at 12 V DC without transistor loads,
Current consumption max. 1 A max. (with transistor load) without current loop)
Electrical connections 1 x 5-pin M12 male (2-wire) Reversed polarity of DC Protected
1 x 5-pin M12 male +
1 x 5-pin M12 female (3-wire) Voltage peak Protected

Options
• Blind version (Neutrino)
• ORP: see datasheet 8202

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