Honeywell APT4000PH - Page 49

96
APT4000PH
Zero adjustment ±200 mV
Max. calibration range Asymmetry potential: ±60 mV
Slope: 80 to 103 % (47.5 to 61 mV/pH)
Sensor standardization ORP
*)
ORP calibration
Max. calibration range -700 to +700 ∆mV
Cal timer 0000 to 9999 h
Sensocheck Automatic monitoring of glass and
reference electrode (can be disabled)
Sensoface provides information on the electrode
condition.
Evaluation of zero/slope, response,
calibration interval, Sensocheck
Temperature input
*)
Pt100 / Pt1000 / NTC 30 kOhms /
NTC 8.55 kOhms
2-wire connection, adjustable
Measurement range Pt 100/Pt 1000: -20.0 to +200.0 °C
(-4 to +392 °F)
NTC 30 kOhms -20.0 to +150.0 °C
(-4 to +302 °F)
NTC 8.55 kOhms -10.0 to +130.0 °C
(+14 to +266 °F)
Adjustment range 10 K
Resolution 0.1 °C / 1 °F
Meas. error
1,2,3
< 0.5 K (< 1 K for Pt100; <1K for NTC >100°C)
Temp compensation Linear –19.99 to +19.99 %/K
of process medium (reference temp 25 °C)
Hold input Galv. separated (OPTO coupler)
Function Switches analyzer to Hold mode
Switching voltage 0 to 2 V (AC/DC) inactive
10 to 30 V (AC/DC) active
Specifications
97
CONTROL input Galv. separated (OPTO coupler)
Function Control input for automatic cleaning/
calibration system
Switching voltage 0 to 2 V (AC/DC) inactive
10 to 30 V (AC/DC) active
Output 1 0/4 to 20 mA, max. 10 V, floating
(galv. connected to output 2)
Measured variable
*)
pH or mV value
Overrange
*)
22 mA in the case of error messages
Output filter
*)
Low-pass, filter time constant 0 to 120 s
Meas. error
1
)
< 0.3 % current value + 0.05 mA
Start/end of scale As desired within range
for pH or mV
Adm. span pH 2.00 to 18.00 / 200 to 3000 mV
Output 2 0/4 to 20 mA, max. 10 V, floating
(galv. connected to output 1)
Process variable Temperature
Overrange
*)
22 mA in the case of temp error messages
Output filter
*)
Low-pass, filter time constant 0 to 120 s
Meas. error
1
)
< 0.3 % current value + 0.05 mA
Start/end of scale
*)
20 to 200 °C / -4 to 392 °F
Adm. span 20 to 220 K (36 to 396 °F)
Power output for operating an ISFET adapter
+3 V (V
0
= 2.9 to 3.1 V / R
i
= 360 Ω
–3 V (V
0
= -4.8 to –3.7 V / R
i
= 360 Ω
Alarm contact Relay contact, floating
Contact ratings AC< 250 V / < 3 A / < 750 VA
DC< 30 V / < 3 A / < 90 W
Contact response N/C (fail-safe type)
Alarm delay 0000 to 0600 s