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4670-5/500 Analyzer Models
Display
Measured value
5-digit x 7-segment backlit LCD
Information
16-character, single line, dot matrix, backlit LCD
Ranges
Used with 7997-202/201
Used with 7997-200
Used with 7997-300
Used with 7997-400/401/405
Units of measurement
NTU and FTU all models
mg/l on models 7997-300 and 7997-400
Accuracy
±0.2% FSD, ±1 digit
Linearity
±0.1% FSD
Auto-clean timing
Programmable 15min, 30min, 45min or 1hour up to
24 hours in 1 hour increments
Environmental Data
Operating temperature limits
–20 to 55°C (–4 to 131°F)
Storage temperature limits
–25 to 55°C (–13 to 131°F)
Operating humidity limits
Up to 95% RH non-condensing
Power Supply
Voltage requirements
100 to 130V, 200 to 260V, 50/60Hz
Power consumption
< 6VA AC
Error due to power supply variation
Less than 0.1% for +6% –20% variation
from nominal supply
Insulation
Mains to earth (line to ground) 2kV RMS
0 — 1 to 0 —30 NTU
0 — 25 to 0 — 250 NTU
0 — 100 to 0 — 500 FTU
and 0 — 1000mg/l
0 — 100 to 0 — 1000 FTU
and 0 — 2000mg/l
Relay Outputs and Set Points
No. of relays
Two
Relay contacts
Single pole changeover
Rating
250V AC
3A AC
Loading (non-inductive)
750VA
(inductive)
750VA
Insulation
2kV RMS contacts to earth (ground)
No. of set points
Two
Set point adjustment
Programmable
Set point hysteresis
±1% fixed
Local set point annunciation
Red LED
Retransmission
No. of retransmission signals
One fully isolated programmable 0 to 10mA, 0 to 20mA or 4 to 20mA
Optional – second current output
Accuracy
±0.25% FSD ±0.5% reading
Resolution
0.1% at 10mA, 0.05% at 20mA
Max. load resistance
750Ω (20mA max.)
Mechanical Data
Model 4670/500
Wall-mounting
Protection
IP66/NEMA4X
Dimensions
160mm (6.30 in.) wide x 214mm (8.43 in.) high x
68mm (2.68 in.) deep
1
Weight
2kg (4
/
lb)
2
Model 4675/500
1
Panel-mounting (
/
DIN)
4
Protection
IP66/NEMA4X front
Dimensions
96mm (3.78 in.) wide x 96mm (3.78 in.) high x
191mm (7.52 in.) deep
1
Weight
1.5kg (3
/
4
+0.8
Panel cut-out:
92
mm x 92
–0
+0.03
(3.62
in. x 3.62
–0
8 SPECIFICATION
250V DC max.
3A DC max.
30W max.
3W max.
lb)
+0.8
mm
–0
+0.03
in.)
–0
SS/4670 Issue 10
37
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