
Alpha pH 2000
pH range - 2.00 to 16.00
Accuracy ± 0.01 pH
Resolution 0.01 pH
Temperature -10.0 to + 125.0 °C (14.0 to 257.0 °F)
Resolution 0.1 °C / °F
Relative Accuracy ± 0.5 °C (± 1.0 °F)
Temperature Sensor Pt100 /Pt1000 (jumper selectable); 2 or 3 wire
Temperature Compensation Auto / manual (reference at 25 °C)
Set-point and Controller Functions
Function (switchable) P/PI control (pulse length/pulse frequency); limit control
Integral time 0 to 999.9 minutes
Adjustable period with pulse length controller 0.5 to 20 sec.
Adjustable period with pulse frequency controller 60 to 120 pulses/min
Pickup / Dropout delay 0 to 2000 seconds
Wash cycle 0.1 to 199.9 hours
Wash duration 1 to 1999 seconds
Switching pH hysteresis 0 to 10 % of full scale
Contact outputs, controller 1 SPDT, 3 SPST relays
Switching voltage / current / power Max. 250 VAC / Max 3A / Max 600VA
Alarm Functions
Function (switchable) Latching / pulse
Pickup delay 0 to 2000 seconds
Switching voltage / current / power Max. 250 VAC / Max 3A / Max 600VA
Display
LCD UV coat, backlit 14 segments display with symbols for status information
Backlight On/Off selectable with four level of brightness control
Electromagnetic Compliance (EMC) Specifications
Emitted Interference According to EN 50081-1
Immunity to Interference According to EN 50082-1
Environmental Conditions
Ambient temperature operating range 0 to 40 °C
Maximum Relative humidity 80% up to 31°C decreasing linearly to 50% at 40°C
Power Supply
Input 80 to 250 VAC/DC 50/60 Hz Approx. 10VA
Main Fuse 250 mA anti-surge, S504 BUSSMANN
Pollution Degree 2
Transient Overvoltage category II
Electrical Data and Connections
Signal Output Two 0/4 to 20 mA outputs for pH and temperature, galvanically isolated
Load Max. 600 W
pH input BNC (10
12
impedance); Asymmetrical / Symmetrical
Connection terminal (Wall mount) 3-pin, 8-pin, 9-pin and 13-pin terminal, detachable blocks
Connection terminal (Panel mount) 3-pin, 9-pin and 19-pin terminal, detachable blocks
Mechanical Specifications
Dimensions (W x H x D) Wall Mount 144 x 144 x 110 mm
Panel Mount 96 x 96 x 175 mm
Weight Wall Mount 745g (unit) / 1100g (Packed)
Panel Mount 550g (unit) / 950g (Packed)
Environmental Rating Wall Mount IP 65 (NEMA 4X)
Panel Mount IP54 (front panel)
Alpha pH 2000 pH/ORP Controller/Transmitter – Wall mount ECPHCTP2000W
Alpha pH 2000 pH/ORP Controller/Transmitter – Panel mount ECPHCTP2000P
Specifications
Ordering Information
5
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