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DS8202 Series

pH or ORP Transmitter

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The Berkert DS8202 pH and ORP transmitter is a compact device designed for measuring the pH or oxidation-reduction potential (ORP) in clean liquids or liquids that may have low conductivity. The transmitter consists of a replaceable standard 120 mm pH or ORP probe screwed in a probe holder with integrated Pt1000 temperature sensor. This assembly is then mated to an enclosure containing the electronic module and a removable display for a quick and easy installation. The pH/ORP transmitter can operate independent of the display, but it will be required for programming the transmitter and also for visualizing the measured and processed data.The DS8202 Standard is available with either two transistors and one 4-20 mA output or two transistors and two 4-20 mA outputs. The DS8202 Nutrino Series is a cost effective less featured product measuring pH and ORP but with one 4-20 mA output and is not available with an LCD display.


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Features
  • Programmable outputs: two transistor and single or dual analog 4-20 mA (Process + Temp)
  • Removable backlighted display
  • Universal process connection
  • Compatible with 120 mm pH/ ORP probes
  • Diagnostic function
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Specifications

Supply Voltage:Single analog output: 14-36 VDC

Dual analog output: 12-36 VDC:

Protection: Reversed polarity of DC Voltage peak Short circuit

Supply Current:With Sensor:≤ 1 A (with transistor loads)

Single analog output: ≤ 25 mA (at 14 VvDC without transistor loads, with current loop) :

Dual analog output: ≤ 5 mA (at 12 V DC without transistor loads, without current loop):

Signal Output:Transistor (programmable as PNP or NPN) Current: 4-20 mA

Maximum Output :

Impedance: 610 Ω at 24 V DC

Accuracy: pH: ±0.02 pH or 0.5 mV ORP: ± 3 mV temperature: ±1°C (1.8°F)

Measurement Range:pH: -2 to 16 pH or -580 to +580 mV

ORP: -2000 to +2000 mV Temperature: -40 to +130°C (-40 to 266°F):

Display: Grey dot matrix 128x64 with backlighting

Resolution: pH: 0.01 pH or 0.1 m

ORP: 1 mV Temperature: 0.1°C (0.18°F):

Response Time:150 ms (10 to 90%)

Fluid Pressure Limit:0 to 87 PSI (0 to 6 bar)

Maximum Pressure:58 psi (4 bar)

Media Compatibility:pH: Contaminated fluids (viscous, suspended solids, small volumes)

ORP: Clean (cooling-water, waste water or slightly contaminated):

Media Temperature :

Range: pH: 32° to 176°F (0° to +80°C) 14° to 122°F (-10° to +50°C)

Operating Humidity:≤ 85%, without condensation

Operating Temperature:Transmitter: 14° to 140°F (-10° to +60°C)

Probe (Flatrobe) 32° to 140°F (0° to +60°C):

Materials Of Construction:Housing / cover / seals: Stainless steel 1.4561, PPS / PC / EPDM Screws / Display / navigation key: Stainless steel / PC / PBT Fixed connector mounting plate: Stainless steel 1.4404 (316L) Fixed connector / Nut: Brass nickel plated / PVC or PVDF Wetted part materials Probe holder: PVDF, Stainless steel 1.4571 (316Ti) Probe

Enclosure Rating:IP65 and IP67 with M12 cable plug mounted and tightened and cover fully tightened

Cable Type: Shielded cable

Wiring Terminations:Single analog output: 1x 5-pin M12 male fixed connector

Dual analog output: 1x 5-pin M12 male and 1x 5-pin M12 female fixed connectors:

Dimensions: Standard: 8.9"H x 2.95" diameter (exposed)

Nutrino: 8.4"H x 2.3" diameter (exposed):

Approvals: UL-Recognized: 61010-1 + CAN/CSA-C22 No.61010-1 EMC: EN 61000-6-2, EN 61000-6-3

Warranty: 1 year

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