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6 TECHNICAL PARAMETERS
6.1
TECHNICAL PARAMETERS FORM
PHCN-962 Transmitter / Controller
pH Range
-2.00 to 16.00 pH
Analytical degree & precision
0.01 pH and ± 0.01 pH
mV Range
-1999 to1999 mV
Analytical degree & precision
1 mV / ± 1 mV
Temperature
-9.9 to 130
o
C
Analytical degree & precision
0.1 & ± 0.5
o
C
Temperature electrode
Pt 1000
Temperature compensation
Automatic (± 10
o
C offset adjustment) / manual
Set point and control function
Control function
Limited point / proportion
( pulse length )
Cleaning circle
From 1 to 999 hours
Cleaning time
From 1 to 999 seconds
Control hysteresis band
0.01 to 2 pH
ORP hysteresis band
1 to 200 mV
Relay output
Three SPST relays
,
250V1A
Communication
RS-485 client program
Electric current information and connection
Electric source
110 or 220 V AC / 60 or 50 Hz
Signal output / load
0/4 – 20 mA isolated current output
Signal output load
600
Ω
pH / ORP input
BNC (10
13
impedance)
Connection terminal
Removable plug-in unit
Main fuse wire
250 mA, anti-surge
Alarm function
Function ( switch able )
Close
Display
LCD( liquid crystal display)
Big-size screen of cystal display, blue back light
EMC Specification
Electromagnetic emission
EN 50081-1
Electromagnetic induction
EN 50082-1
Environmental conditions
Working temperature
-10 to 50
o
C (14 to 122
o
F)
Humidity
10 to 95% (no frozen dew)
Protection grade
NEMA 4X, IP 65
Содержание PHCN-962
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