PART ONE - INTRODUCTION
SECTION 2 - SPECIFICATIONS
Model P53 pH/ORP Analyzer (universal-mount 1/2 DIN)
Rev. 6-501
18
S
ECTION
2
2.1
Operational
Display....................................... Graphic dot matrix LCD, 128 x 64 pixels with
LED backlighting; 1/2 inch (13 mm) main
character height; 1/8 inch (3mm) auxiliary
information character height; menu screens
contain up to six text lines
MeasurementSelect
able Ranges
pH......................................... -2.0 to 14.0 pH or -2.00 to 14.00 pH
ORP...................................... -2100 to +2100 mV
Temperature ......................... -20.0 to +200.0
°
C or -4.0 to +392.0
°
F
Analog Outputs (1 and 2) ...... 0.00-20.00 mA or 4.00-20.00 mA
Ambient Conditions:
Operation.............................. -4 to +140
°
F (-20 to +60
°
C); 0-95% relative
humidity, non-condensing
Storage................................. -22 to +158
°
F (-30 to +70
°
C); 0-95% relative
humidity, non-condensing
Relays: Types/Outputs ...................Up to four electromechanical relays; SPDT
(Form C) contacts; U.L. rated 5A 115/230
VAC, 5A @ 30 VDC resistive
Operational Mode ......... Each relay (A, B, C, and D) can be driven by
the measured pH (or ORP) or temperature
Function Modes:
Control .................... Settings for high/low phasing, setpoint, dead-
band, overfeed timer, off delay, and on delay
Alarm..........................Settings for low alarm point, low alarm point
deadband, high alarm point, high alarm point
deadband, off delay, and on delay
Status.........................Not configurable; relay only activates when a
sensor or analyzer “fail” diagnostic WARNING
condition exists
Timer..........................Relay is activated by user-entered interval and time
duration values to control GLI cleaning system
Indicators .........................Relay annunciators (A, B, C, and D) indicate
respective relay on/off status
Temperature Compensation ....... Automatic from 14.0 to 230.0
°
F (-10.0 to
+110.0
°
C) with selection for NTC 300 ohm
thermistor, Pt 1000 ohm RTD or Pt 100 ohm
RTD temperature element, or manually fixed
at a user-entered temperature; additional
selectable temperature correction factors
(ammonia, morpholine or user-defined pH/
°
C
linear slope) available for pure water auto-
matic compensation from 0.0 to 50.0
°
C
Sensor-to-Analyzer Distance:
GLI Differential
Technique Sensor.............. 3000 ft. (914 m) maximum
Conventional Combination
Electrode with preamp ....... 985 ft. (300 m) maximum
Conventional Combination
Electrode without preamp .. 100 ft. (30 m) maximum with electrode cable
capacitance of less than 30 pF/foot
Power Requirements .................. 90-130 VAC, 50/60 Hz. (10 VA max.) or
180-260 VAC, 50/60 Hz. (10 VA max.)
Calibration Methods:
2 POINT BUFFER................... Automatic calibration and buffer recognition
(for pH only)
using two buffers from a selected buffer set*
NOTE:
When using buffers that are not included in either analyzer buffer
set, use only the “2 POINT SAMPLE” method for calibration.
SPECIFICATIONS