ACCREDIA ISO 17025 Certified Standard Solutions Kit

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ACCREDIA ISO 17025 certified standard solutions kit: 0.001mol/l (147 μS/cm @ 25 °C) + 0.01mol/l (1413 μS/cm @ 25 °C) + 0.1mol/l (12880 μS/cm @ 25 °C). Two 50 ml bottles for each type (6 bottles in total).

Specifications

Input Conductivity

  • Input: impedance > 10^12 Ω
  • Cable length: < 50 meters 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 cm-1
  • Transducer Energizing: Square wave 10…1000 mV, 200…1600 Hz, depending on conductivity

Temperature Input

  • Pt100 2/4-Wires: -50…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…4.00 %/°C -50…+200° C
  • Manual: Linear 0.00…4.00 %/°C -50…+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

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