Wireless Temperature Sensor

2x NIST Traceable, Calibrated Temperature Sensors in one Stainless Steel Tube

Wireless Tunnel™ Radio Sensor based on LoRa™ Technology

Temperature Sensor with built in calibration check

Wireless Tunnel™ NIST2 sensors feature 2x NIST traceable, calibrated temperature sensors in a single stainless steel tube. Working as a pair they check each others values once a second for accuracy. If we deteect the sensors are out of acceptable tolerances an alert is sent warning that the sensor requires re-calibration.

NIST4 sensors come with 4x NIST traceable, calibrateed temperature sensors in a single stainless steel tube. They work in 6 pairs, with the averages of each pair averaged to give an overall reading. Improved accuracy and calibration checks with failover. Should any pair be out of calibration that value is ignored and an alert generated to warn that a pair is out of calibration.

Sensor Features

  • 4x AA Battery powered, with 10 year life*
  • USB 5VDC external power.
  • 12VDC external power.
  • Custom sensor cable length up to 15ft to position sensor in optimal location.
  • NIST2 dual sensor calibration integrity check.
  • NIST4 quad sensor calibration integrity check with failover.

Wireless Tunnel™ Monitoring Solutions

WTS-NISTx

NIST2 or NIST4 calibrated temperature sensor. NIST2 sensors feature built in calibration check. NIST4 sensor feautres built in calibration check with failover for continuous monitoring in the event of primary sensor failure.

WTS-NISTx-G

NIST2 or NIST4 calibrated temperature sensor with glycol jar attachment (glycol not included). Used as a buffer against temperature fluctiations in the pharmaceutical industry when medical refrigerators are opened and closed.

WTS-NISTx-G3

NIST2 or NIST4 calibrated temperature sensor on 3ft cable with glycol jar attachment (glycol not included). Used as a buffer against temperature fluctiations in the pharmaceutical industry when medical refrigerators are opened and closed.

WTS-NISTx-DC

NIST2 or NIST4 calibrated temperature sensor with door contact. Monitor temperature with calibration integrity checker and security sensor. Check that doors, cabinets or medical refrigerators are closed.



Measurement Range
-40°C to +75°C
-40°F to +167°F
Measurement Resolution
0.1°C increments
0.2°F increments
Measurement Accuracy
Typical :
* ±0.2 from 0ºC to +75ºC
* ±0.4 from 32ºF to +167ºF
Maximum :
* ±0.4 at -40ºC and ±0.4 at +75ºC
* ±0.7 at -40ºF and ±0.7 at +167ºF
Dual sensor calibration check – alert when out of calibration
WTS-NIST4 sensors include second pair for failover
Status Indication
LED indication for
– Mode
– Status
– RSSI
Components
Manufactured using highly integrated, low power surface mount technology to ensure long term reliability.
Operating Environment
Temperature : Min. -35° C – Max.80° C
Humidity: Min. 20% – Max. 80% (Non-Condensing)
LoRa (R) Radio
Regional plans
– EU868 : 863~868Mhz Max TX Power +14dBm Duty Cycle 1%
– US915: 903~915Mhz Max TX Power +17dBm
– AS923 : 920~925Mhz Max TX Power +14dBm Duty Cycle 1%
– KR920 (Korea) : 922~923Mhz Max TX Power +14dBm Duty Cycle 1%
– IL917 (Israel) : 915~917Mhz Max TX Power +14dBm Duty Cycle 1%
Certification
FCC Part15C, CE EN300220-2, NIST Calibration Certificate
Interface
Micro-USB port for powering, adding and upgrading to the Gateway base unit
Dimension
76x77x120mm
Mounting
Wall hanging, DIN rail, Pipe Clamp
Power source
4xAA batteries or via micro-USB port
Power Consumption
Average 12 mWatt, 10uA in Idle, up to 10 years battery life.
Gateway sensor count

4 (3 + 1)

Calibration
NIST traceable Calibration Certificate
Built in calibration check, alerts when sensor needs re-calibration
Optional failover sensor when out of calibration (WTS-NIST4)



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AKCPWireless Temperature Sensor