GENERAL INFORMATION
Specifications*
Housing & Cable
Weight
Body Material
Wire Seal
Material
Cable
Desiccant
Field Connector
Temperature
Operating Range
Storage Range
Power
Internal Battery
Auxiliary
Communication
Logging
Memory
Logging Types
Logging Rates
Baud Rates
Software
Networking
File Formats
Output Channels
Element
Accuracy
Resolution
Units
Range
Compensated
Warmup Time
Max operating pressure
Over pressure protection
Burst pressure
Environmental
*Specifications subject to change. Please consult our web site for the most current data (inwusa.com).
Modbus is a registered trademark of Schneider Electric. Pyrex is a registered trademark of Corning Incorporated.
1 Higher pressure ranges available upon request
2 Accuracy reduced at levels <10 µS/cm and >100,000 µS/cm
3 ±0.25% accuracy FSO (max) at this range
4 Depth range for absolute sensors has 14.7 PSI subtracted to give actual depth allowed.
Seametrics • 253.872.0284
1.0 lb (0.5 kg)
Acetal & 316 stainless or titanium
Fluoropolymer and PTFE
Submersible: polyurethane, polyethylene, or ETFE (4 lb/100 ft, 1.8 kg/30 m)
1-3 mm indicating silica gel
Standard
Recommended: -5˚ to 40˚C (23˚ to 104˚F) Requires freeze protection kit if using pressure option in water
below freezing.
Without batteries: -40˚ to 80˚C (-40˚ to 176˚F)
Two lithium 'AA' batteries - Expected battery life: 12 months at 15 minute polling interval (may vary due
to environmental factors)
Nominal: 12 Vdc, Range: 9–16 Vdc
RS485 Modbus® RTU (output = 32-bit IEEE floating point), SDI-12 (ver. 1.3) - ASCII
4MB - 349,000 records
Variable, user-defined, profiled
4x/sec maximum, no minimum
9600, 19200, 38400
Complimentary Aqua4Plus and Aqua4Plus Lite
32 available addresses per junction (Address range: 1 to 255)
.a4d and .csv (also .xls in Windows 8 and earlier)
Temperature
Depth/Level¹
Borosilicate glass
Silicon strain gauge transducer
encapsulated thermistor
316 stainless or Hastelloy
30K ohm thermistor
±0.25˚C
±0.05% FSO (typical, static)
±0.1% FSO (maximum, static)
(B.F.S.L. 20˚C)
0.1˚C
0.0034% FS (typical)
Celsius, Fahrenheit, Kelvin
PSI, FtH₂O, inH₂O, mmH₂O, mH₂O,
inH₂O, cmHg, mmHg, Bars, Bars, kPa
-5˚ to 40˚C (23˚ to 104˚F)
Gauge:
PSI: 1³, 5, 15, 30, 50, 100, 300
FtH₂O: 2.3³, 12, 35, 69, 115, 231, 692
mH₂O: 0.7³, 3.5, 10.5, 21, 35, 70, 210
Absolute
PSI: 30, 50, 100, 300
FtH₂O: 35, 81, 196, 658
mH₂O: 10, 24, 59, 200
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0˚ to 40˚C (32˚ to 104˚F)
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1.1 x full scale
3x full scale up to 100psi—for > 300psi (650 ft or 200 m), contact Seametrics
550 psi (approx. 2000 ft or 600 m)
IP68, NEMA 6P
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CT2X INSTRUCTIONS
Conductivity
Epoxy/Graphite - 4-pole
Static: ±0.5% of measured value
(0–100,000 µS/cm)
(32 bit internal) 0.1 µS/cm, 0.001
mS/cm, 0.1 mg/L (TDS), 0.001 PSU
µS/cm, mS/cm, mg/L, PSU
Conductivity²: 0–300,000 µS/cm
TDS: 4.9-147,000 mg/L
Salinity: 2-42 PSU
Thermal: None, Linear, or nLFn
200 msec
inwusa.com
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