Technical Data; Components; Preassembled Systems; Conex - Grundfos Conex DIA-1-A PA Instrucciones De Instalación Y Funcionamient

8. Technical data

8.1 Components

8.1.1 Measuring cells
Measuring cell for peracetic acid
Peracetic acid
(covered with diaphragm), including
measuring cell
flow armature and cables
Measuring cell for hydrogen peroxide
Hydrogen peroxide
(covered with diaphragm), including
measuring cell
flow armature and cables

8.1.2 Preassembled systems

®

Conex

DIA-1-A, PA/HP-PA (Conex
Peracetic acid
measuring cell
Instrument amplifier • For wall-mounting, mounted on a
and controller PVC plate
®
Conex DIA-1
• For panel-mounting
®
(Conex DIA-2Q)
®
Conex DIA-1-A, PA/HP-HP (Conex
Hydrogen peroxide
measuring cell
Instrument amplifier • For wall-mounting, mounted on a
and controller PVC plate
®
Conex DIA-1
• For panel-mounting
®
(Conex DIA-2Q)

8.2 General data

PVC, polycarbonate, stainless steel and
silicone rubber, resistent against
Enclosure
tensides and comparable water
additives
Standard ranges 0-100 / 0-500 / 0-1000 /
Measuring ranges 0-2000 mg/l or freely adjustable within
0-2000 mg/l
Permissible pH range pH 1 to 11
Recommended
Minimum 30 l/h
sample-water flow
Measuring signal is
Temperature drift
temperature-compensated
Peracetic acid measuring cell
Accuracy 2 % of measured value ± 5 ppm
Repeatability 2 % of measured value ± 3 ppm
• No disturbances by tensides
Disturbances
• Negligible disturbance by hydrogen
peroxide, selectivity factor = 0.005
Resolution 1 mg/l
Response time, T Approximately 3 minutes
90
Permissible working
0 °C to 50 °C
temperature
8
®
DIA-2Q-A, PA/HP-PA)
®
DIA-2Q-A, PA/HP-HP)
Hydrogen peroxide measuring cell
Accuracy 2 % of measured value
Repeatability 2 % of measured value
• No disturbance by tensides
Disturbances
• Strong disturbance by peracetic acid
Resolution 1 mg/l
Response time, T Approximately 5 minutes
90
Permissible working
0 °C to 45 °C
temperature
®
Voltage for Conex DIA-1 (Conex
Type designation Description
DIA-1 (-2Q),
230/240 V (50/60 Hz)
1-P/R/D/HP/PA/F, W-G
DIA-1 (-2Q),
115/120 V (50/60 Hz)
1-P/R/D/HP/PA/F, W-H
DIA-1 (-2Q),
24 V (DC)
1-P/R/D/HP/PA/F, W-I
®
DIA-2Q)