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