Offering both SDI12 and Modbus® interfaces, the Seametrics T1/T1Ris 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.
Alternately 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
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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
Housing & Cable | Weight | 0.8 lb. (0.4 kg) | ||
Body Material | 316 stainless | |||
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 | T1: Optional, T1R: Standard | |||
Temperature | Operating Range | Recommended: -5 ̊ to 70 ̊C (23 ̊ to 158 ̊F) | ||
Storage Range | Without batteries: -40 ̊ to 80 ̊C (-40 ̊ to 176 ̊F) | |||
Power (T1) | Operating Voltage | 9-16 Vdc (over-voltage protection: 24 Vdc) | ||
Supply Current | Reading: 3mA, Sleep: 250μA | |||
Protection | Electromagnetic & transient: IEC-61000 - 4-3, 4-4, 4-5, 4-6 | |||
Power (T1R) | 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 - 520,000 records | ||
Logging Types | Variable, user-defined, profiled | |||
Logging Rates | 8x/sec maximum, no minimum | |||
Baud Rates | 9600, 19200, 38400 | |||
Software | Complimentary Aqua4Plus 2.0 | |||
Networking | 32 available addresses per junction (Address range: 1 to 255) | |||
File Formats | .a4d and .csv | |||
Temperature output | Element | Digital IC onboard | ||
Accuracy | ±0.2 ̊C | |||
Resolution | 0.06 ̊C | |||
Units | Celsius, Fahrenheit, Kelvin | |||
Environmental | IP68, NEMA 6P |
*Specifications 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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