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7
TECHNISCHE SPECIFICATIES
Alpha pH 2000 Controller / Transmitter
pH bereik
Resolutie & Nauwkeurigheid
mV bereik
Resolutie & Nauwkeurigheid
Temperature
Resolutie & Nauwkeurigheid
Sensor
Temperature Compensatie
Set-punt en Controller Functies
Functie
Integrale tijd
Pickup / Dropout Delay
Wash Cycle
Wash Duration
Switching pH Hysteresis
Switching ORP Hysteresis
Contact Outputs, Controller
Switching Voltage/Current/Power
Electrical Data And Connections
Power Requirements
Signal Output / Load
Signal Output Load
pH / ORP Input
Signal Input
Connection Terminals
Main Fuse
Alarm Functions
Function (switchable)
Pickup delay
Switching Voltage/Current/Power
Display
LCD
Backlight
EMC Specifications
Emissions
Susceptibility
Environmental Conditions
Ambient Temp. Operating Range
Rel. Humidity
Mechanical Specifications
Dimensions (W x H x D)
Weight
Material
Insulation
-2.00 tot 16.00 pH
0.01 pH & ± 0.01 pH
0 to 100% of -1000 to 1000 mV
0.1% of 1 mV / ± 1 mV
-9.9 to 125
C (15.0 tot 257.0
o
0.1 & ± 0.5
o
C (± 1.0
Pt 1000 or Pt 100 (jumper selecteerbaar)
Automatisch (± 10
C / ± 18
F offset aanpassing) / Manual
o
o
Limit / Proportional Control / Proportional Integral
(Pulse Length or Pulse Frequency)
999.9 minuten
0 tot 1999 seconden
0.1 tot 199.9 uur
1 tot 1999 seconden
0.1 tot 1 pH
1 to 10.0 % / 10 tot 100 mV
1 SPDT; 3 SPST relays
Max 250 VAC / Max 3A / Max 600 VA
80 to 250 V AC/DC / 48 to 62 Hz
Two 0/4 – 22 mA outputs for pH/mV and temperature,
galvanically isolated
600 Ω
BNC (10
12
Impedance)
Asymmetrical / Symmetrical
5 detachable connectors
(2 x 3-pins; 8-pin, 9-pin & 13-pin terminal blocks)
250 mA, anti-surge
Latching / pulse
0 to 1999 seconds
Max 250 VAC / Max 3A / Max 600 VA
UV coat, backlit 14 segments display with symbols for status
information
On/Off selection with four level of brightness control
According to EN 50081-1
According to EN 50082-1
-10 to 50
C (14 to 122
o
10 to 95% (non-condensing)
144 x 144 x 110 mm Wall Mount
670g (unit); 950g (boxed)
PBT
NEMA 4X, IP 65
F)
o
o
F)
F)
o
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