| Industrial
Process Controllers & Monitors alpha-pH1000
1/4 DIN pH/ORP Controller
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Built-In Programmable
Limit, Proportional (Pulse Length or Pulse Frequency) - ideal
for precision process control applications
-
User-Customization
through Advanced Setup Menu offers flexibility in matching
the controller's functions to suit individual's specific requirement
-
Automatic Calibration
with Auto-Buffer Recognition eliminates mistakes during calibration
-
Symmetrical Mode
Operation eliminates electronic noise problems when used with
solution ground
-
One-Point Online
Calibration without shutting down the line
-
Hold Relay for
use with float switches/flow switches and other controllers as
a failsafe function
-
Two Level Password
Protection prevents un authorized tampering with settings
-
0 to 2000 Second
Time Delay Adjustment on control and alarm delays
-
Two
Galvanically Isolated Scaleable 0-20/4-20 mA
Outputs for pH/ORP
-
Wash Contact Relay
controls electrodes cleaning systems at desired duration and
frequency
-
Choice of Glass or
Antimony Electrode for general purpose or hydrofluoric acid
applications
-
Adjustable Hysteresis
(Dead Band) prevents rapid contact switching near set point
-
Non-Volatile
Memory retains all
stored parameters and calibration data even if power fails
- Large Dual Display shows pH
(or ORP) with temperature simultaneously - features clear multiple
icons, set points, and status messages
- Choice of Temperature
Sensor Pt100/Pt1000
with 2-wire or 3-wire temperature input selection
- Easy Installation and Wiring
with detachable plug-in connectors
Applications
General: Useful for any batch
or on-line type application that requires accurate pH or ORP control.
Water Purification/Treatment:
Use for batch and on-line control of incoming process water, rinse
water treatment, recirculating system and waste water treatment.
Industrial:
Ideal for chemical processing, food processing. aquarium, pharmaceutical,
hydroponics and waste control industries.
Regulatory: Hook to recorder to document data for regulatory compliance.
Specifications
of alpha-pH1000 Controller
| Product
Code |
EC-PHCTP1000 |
pH
Range |
0.00
to 14.00 pH |
Resolution
& Accuracy |
0.01
pH & ± 0.01 pH |
pH
Buffer Options |
pH
1.01, 4.01, 6.86, 7.00, 9.00, 9.18, 10.01 |
No.
of pH Calibration Points |
Up
to 2 points |
ORP
Range (% or mV) |
0 to 100%; -1000 to + 1000 mV |
Resolution
& Accuracy |
0.1% Full Scale or 1 mV & ± 1 mV |
Temperature
Range |
-9.9
to 125.0 °C |
Resolution
& Accuracy |
0.1
°C & ± 0.5 °C |
Sensor
(for ATC) |
PT100/PT1000 |
Type
of Controller Setting |
Off
(Monitoring); Limit;
Proportional (Pulse Length or Pulse Frequency) |
Pickup/Dropout
Delay |
0
to 2000 seconds |
Electrode
Type Selection |
Glass
or Antimony |
Signal
Input |
Asymmetrical
/ Symmetrical |
Signal
Output Range |
Scaleable
(pH 1 to 14) |
No. of Relays
Maximum Voltage
Maximum Current
High/Low Hysteresis Band |
2
SPDT; 1 Alarm
250 VAC
3A;
0.1 to 1.0 pH; 10 to 100 mV |
Contact
Set-points |
Lo/Lo;
Lo/Hi; Hi/Lo; Hi/Hi (selectable) |
Alarm
Function |
Latching
/ Pulse (software) |
Wash
Cycle/Duration |
0.1
to 199.9 hrs & 1 to 1999 sec |
| Insulation
(Front / Housing) |
IP
54 / IP 40* |
Power |
120
or 240 VAC/DC, 50/60 Hz |
Dimensions |
1/4
DIN (96 x 96 mm) |
IP
54 - Protection from dust; limited entrance (no harmful deposit) and
water sprayed from all directions; limited entrance allowed.
IP
40 - Protection from solid objects more than 1 mm (e.g., small wires)
but no protection against liquid.
 
Copyright © 1997 Eutech
Instruments Pte Ltd. marketing@eutechinst.com
|
