TEMPHION INSTRUCTIONS
Seametrics • 253.872.0284
Page 5
seametrics.com
Specifications*
GENERAL INFORMATION
Housing & Cable Weight
0.8 lb. (0.4 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)
Field Connector
Standard
Temperature
Operating Range
0˚ to 55˚C (32˚ to 131˚F)
Storage Range
Without batteries: –20˚ to 80˚C (–4˚ to 176˚F)
Power
Internal Battery
Two lithium ‘AA’ batteries - Expected battery life: 18 months at 15 min. polling interval (may vary do to
environmental factors)
Auxiliary
12 Vdc - Nominal, 6–16 Vdc - range
Communication
Modbus®
RS485 Modbus® RTU, output=32bit IEEE floating point
SDI-12
SDI-12 (ver. 1.3) - ASCII
Logging
Memory
4MB - 200,000 records
Logging Types
Variable, user-defined, profiled
Logging Rates
2x/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
pH
ORP
Bromide
Element
30K ohm thermistor,
Epoxy bead/external
housing
Glass combination
electrode
Platinum ring
Ag/AgCl solid-state
electrode (Ion electrode
method)
Accuracy
±0.2˚C
±0.2 pH units, 0.1% mV
value (typical)
0.1 mVH, 0.1% mV value
(typical)
±5.0% of measured value
(typical)
Resolution
0.1˚C
0.01 pH units
0.01 mVH units
0.1 ppm
Units
Celsius, Fahrenheit,
Kelvin
pH, mV
Eh, mV
ppm, mV
Range
0˚ to 55˚C (32˚ to 131˚F)
0-14 pH units / -538 to
260 mV
± 1200 mV
0–10,000 ppm
Compensated
---
0˚ to 40˚C (32˚ to 104˚F) 0˚ to 40˚C (32˚ to 104˚F)
Isopotential point
characterization
Calibration
---
One or two point
calibration w/ pH buffers
(4 & 7 or 7 & 10)
EH 1 pt. calibration
One or two point
calibration w/ ionic
strength adjustment
Reference
Solution
Potassium Nitrate -
(KNO
3
)
Potassium Nitrate -
(KNO
3
)
Potassium Nitrate -
(KNO
3
)
Reference
Ag/AgCl solid state electrode, capillary liquid junction, TempHion™ reference solution
Maximum Depth
pH/ORP: 700 ft (210 m) / 300 psi, ISE: 230 ft (70 m)/100 psi
Environmental
IP68, NEMA 6P
*Specifications subject to change. Please consult out web site for the most current data (seametrics.com). Modbus is a registered trademark of Schneider Electric.
