Thermo Fisher Scientific Alpha pH 2000 - Manual (Page 42)

8 TECHNICAL SPECIFICATIONS
8.1 General Specification
Alpha pH 2000 Controller / Transmitter
pH Range
-2.00 to 16.00 pH
Resolution & Accuracy 0.01 pH & ± 0.01 pH
mV Range 0 to 100% or -1000 to 1000 mV
Resolution & Accuracy 0.1% or 1 mV / ± 1 mV
Temperature -9.9 to 125
o
C (15.0 to 257.0
o
F)
Resolution & Accuracy 0.1 & ± 0.5
o
C (± 1.0
o
F)
Sensor Pt 1000 or Pt 100 (jumper selectable)
Temperature Compensation Automatic (± 10
o
C / ± 18
o
F offset adjustment) /
Manual
Set-point And Controller Functions
Function
Limit / Proportional Control / Proportional Integral
(Pulse Length or Pulse Frequency)
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 1999 seconds
Wash Cycle 0.1 to 199.9 hours
Wash Duration 1 to 1999 seconds
Switching pH Hysteresis 0.1 to 1 pH
Switching ORP Hysteresis 1 to 10.0 % / 10 to 100 mV
Contact Outputs, Controller 1 SPDT; 3 SPST relays
Switching
Voltage/Current/Power Max 250 VAC / Max 3A / Max 600 VA
Alarm Functions
Function (switchable)
Latching / pulse
Pickup delay 0 to 1999 seconds
Switching
Voltage/Current/Power Max 250 VAC / Max 3A / Max 600 VA
Display
LCD
UV coat, backlit 14 segments display with symbols
for status information
Backlight On/Off selection with four level of brightness
control