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DO9786T-R1 – Panel Mounting Conductivity Transmitter
Brand: Delta OHM S.R.L.DO9786T-R1 transmitters convert the output of a conductivity electrode with temperature compensation into a 4÷20 mA signal.
Housing dimensions 96 x 96 mm for panel mounting with dual LCD (measurement + temperature), output 4…20mA.
The cell constant, the range and the temperature coefficient are completely configurable. 2-wire passive transmitter or 4-wire active transmitter.
Power supply in active mode 24Vac, on request 230Vac, in passive mode 10…35Vdc.
The electrode input circuit is galvanically insulated against the 4÷20 mA output signal.
The LCD indicator allows viewing of the process signal value and of the various parameters.
The accurate design and choice of components make the instrument precise and reliable for a long working life.
The instrument works in conjunction with a conductivity electrode and a temperature probe (Pt100 sensor, 100 Ω at 0°C).
1 - 12 of 14 Part Numbers
CP5/10T
CP5/20T
CP5T
DO9766T-R1
DO9786T-R1
HD882/L106
HD882DM100/600
SPT401.001/W
Combined conductivity and temperature probe with 2 stainless steel AISI316 electrodes, cell constant 0.01. Probe measuring range 0.04…20 μS, 0…120 °C. 4-pole connector. Supplied with cable with 4-pole connector on one side and free wires on the other side.
1 - 12 of 14 Part Numbers
Specifications
Brand
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