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DO9786T-R1

Series: DO9766T-R1, DO9786T-R1 – Conductivity Transmitter Brand: Delta OHM S.R.L.

Panel mounting conductivity transmitter with dual LCD, output 4...20 mA. Power supply active mode 24 Vac.

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Specifications

Brand

Input Conductivity

  • Input: impedance > 10^12 Ω
  • Cable length: < 50 m screened (about 5 nF)
  • Accuracy: 0.1 % of Reading ± 1-Digit ± 0.01 % of pH per °C of temperature drift
  • Measuring Range: 0.0…199.9 mS
  • 2/4 electrodes: Configurable cell constant 0.0…199.9 cmˉ¹
  • Transducer Energizing: Square wave 10…1000 mV, 200…1600 Hz, depending on conductivity

Temperature Input

  • Pt100 2/4-wires: -50 to 199.9° C
  • Transducer energizing: 0.5 mA DC
  • Cable length: < 10 metres unscreened < 50 metres screened (about 2 nF)
  • Accuracy: 0.2° C ± 0.1 % of Reading ± 0.01° C/°C

Compensation Temperature

  • Automatic: Linear 0.00 to 4.00 %/°C -50 to +200° C
  • Manual: Linear 0.00 to 4.00 %/°C -50 to +200° C
  • None:
  • Reference temperature: 20 or 25° C configurable

Current Output

  • 4…20 mA: Programmable and proportional to conductivity
  • Accuracy: 0.5 % of Reading ± 0.02 mA
  • Insulation: 2500 Vac 1 minute

R Load

  • Load resistance: RLmax = Vdc-10/0,022 RLmax= 636 Ω @ Vdc = 24 Vdc

Relay Output

  • A and B: Bistable, contact 3 A/230 Vac free potential

Power Supply

  • Active:24 Vac (or 230 Vac on request) -15/+10 %, 1 VA, 48…62 Hz
  • Passive: 4…20 mA, 2-Wire configuration, 10…35 V

Case DO9766T

  • External dimensions: 120 x 122 x 56 mm (use on the field)
  • Protection class: IP64

Case DO9786T

  • External dimensions: 96 x 96 x 126 mm (panel mounting)
  • Protection class: IP44

Documentation

Datasheet

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