Offering both SDI12 and Modbus® interfaces, the Seametrics T1/T1R is a smart choice for upgrading to digital and replacing your analog temperature sensors. The T1/T1R’s rugged construction of 316 stainless steel, fluoropolymer, and PTFE resists weathering and data interferences, making it safe for long-term deployment.
The T1 is easy to interface with SDI-12 recorders and can be daisy-chained on one cable up to 200 feet, making it a preferred choice for many environmental professionals with existing SDI-12 systems. The T1R is powered internally with two AA batteries.
Alternatively, it can be powered with an external auxiliary power supply for data-intensive applications. While most will use the T1R with our free, easy-to-use Aqua4Plus software, it is by no means limited to that software. You can use your own Modbus®RTU or SDI-12 software or logging equipment to read measurements, thus tying into your existing systems and databases
Feature :
- Measures temperature
- SDI-12 v1.3 and Modbus® RTU
- Recording (T1R) and non-recording (T1) versions
- Non-volatile memory (T1R)
- Small diameter— 0.75” (1.9 cm)
- 316 stainless, fluoropolymer, and PTFE construction
- Polyethylene, polyurethane, and ETFE cable options
- Easy export to spreadsheets and databases (T1R)
- Wireless connectivity
APPLICATIONS :
- Rugged construction—can replace analog sensors
- Monitor temperature
- Groundwater
- Well
- Tank
- Tidal
Specifications :
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Housing and |
Weight : |
0.8 lb. (0.4 kg) |
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Body Material : |
316 stainless |
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Wire Seal Material : |
Fluoropolymer and PTFE |
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Cable : |
Submersible: polyurethane,
polyethylene, or |
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Desiccant : |
1-3 mm indicating silica gel |
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Field Connector : |
T1: Optional, T1R: Standard |
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Temperature : |
Operating Range : |
Recommended: -5 ̊ to 70 ̊C (23 ̊
to 158 ̊F) |
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Storage Range : |
Without batteries: -40 ̊ to 80 ̊C
(-40 ̊ to 176 ̊F) |
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Power (T1) : |
Operating Voltage : |
9-16 Vdc (over-voltage protection:
24 Vdc) |
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Supply Current : |
Reading: 3mA, Sleep: 250μA |
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Protection : |
Electromagnetic & transient:
IEC-61000 - 4-3, 4-4, 4-5, 4-6 |
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Power (T1R) : |
Internal Battery : |
Two lithium ‘AA’ batteries -
Expected battery life: |
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Auxiliary : |
12 Vdc - Nominal, 6-16 Vdc - range |
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Communication : |
Modbus® : |
RS485 Modbus® RTU, output=32bit
IEEE floating point |
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SDI-12 : |
SDI-12 (ver. 1.3) - ASCII |
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Logging : |
Memory : |
4MB - 520,000 records |
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Logging Types : |
Variable, user-defined, profiled |
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Logging Rates : |
8x/sec maximum, no minimum |
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Baud Rates : |
9600, 19200, 38400 |
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Software : |
Complimentary Aqua4Plus 2.0 |
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Networking : |
32 available addresses per
junction (Address range: 1 to 255) |
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File Formats : |
.a4d and .csv |
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Temperature output : |
Element : |
Digital IC onboard |
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Accuracy : |
±0.2 ̊C |
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Resolution : |
0.06 ̊C |
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Units : |
Celsius, Fahrenheit, Kelvin |
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Environmental : |
IP68, NEMA 6P |
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*Specifications are subject to change. Please consult our web site for the most current data. Modbus is a registered trademark of Schneider Electric.
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