TP7D Series by ThermoProbe

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TP7-D Series by ThermoProbe

The ThermoProbe TP7-D (Replaces TP7-C) is a Zone 0 intrinsically safe digital gauging thermometer re-designed to the latest standards for use in hazardous locations. With over 30 years experience manufacturing digital thermometers, ThermoProbe has designed the TP7-D with reliable RTD sensors based on our previous industry-standard thermometers such as the TP7-C and TP9 Petroleum Gauging Thermometer.

Based on our laboratory thermometer technology, the latest ThermoProbe TP7-D electronics are more accurate than previous models. The convenient user interface provides a large 1/2” alpha-numeric character display and buttons that can be easily used with gloves. An automatic backlight feature is included to help read the display in low light conditions. An intuitive menu allows the user to easily select Celsius or Fahrenheit units, display resolution, and access calibration. Icons on the display help the user identify temperature stability, battery condition and menu items. The TP7-D intrinsically safe digital thermometer comes equipped with easily replaceable AA batteries, providing up to 200 hours of operation.

The ThermoProbe TP7-D rugged instrument body is constructed from stainless steel and static-dissipative plastic components. The TP7-D spool-reel design allows the user to quickly deploy and retrieve the sensor probe into various products. With multiple probe configurations and allowable lengths up to 50 meters (165 ft), this intrinsically safe digital thermometer is well suited to many tank gauging applications. The probe assembly is constructed of easy to clean materials such as non-stick cable and stainless steel.


The TP7-D is recognized with international (IECEx), European (ATEX), and EurAsian (TR TS) safety certificates.
TP7D Series by ThermoProbe      TP7D Series by ThermoProbe         TP7D Series by ThermoProbe


Recommended Operation per API 7.2, International Safety Guide for Oil Tankers and Terminals, API 4 and other recommended procedures and standards.

Custody Transfers, Hazardous Location, Intrinsically safe, Inventory, PET, Tank, Pipeline, Barge, Ship, Railcar, Tank Truck, Viscosity, Petroleum, Portable, Digital, Thermometer, Inspector, NIST, Certified, Ex, ATEX, IECEx, EAC, TIIS, GOST, TR TS

Gasoline, Diesel, Asphalt, Molten Sulphur, Petrochemical, Viscous, Caustic, Acid, Chemical, Alkali, Molasses, Syrup, Distilled spirits, Aviation fuel

Maximum Dimensions

12 x 7 x 5.5 in. (30.5 x 17.8 x 14 cm


4.5 lb (2 kg)
– with 75' standard weight probe assembly


Stainless Steel, Sealant, Aramid Fiber Reinforced, FEP or PFA
Cable Jacket, Coaxial Construction

Enclosure Material

Stainless steel, Static-dissipative plastic probe holder


2 AA Alkaline; Battery Life of approximately
200 hours
Battery manufacturer’s battery operating temperature range -4 to 130°F, -20 to 54°C
Note: Battery may not provide adequate power if ambient temperature is extremely low or high.


Resolution 0.01
Range: -40 to +400°F
-40 to +204°C
Calibrated Accuracy:
±0.2°F from 32 to 200°F
±0.5°F from 200 to 400°F
±0.1°C from 0 to 100°C
±0.3°C from 100 to 200°C
4 Point NIST Traceable Report of Test
Long-term drift not to exceed 0.05%/year
Meets API requirements


ATEX & IECEx (Ex ia IIB T4 Ga)


Probe Assemblies

Thermoprobe gauging thermometers come equipped with probe assemblies consisting of a length of non-stick 2-wire cable and a stainless steel weighted RTD temperature sensor. Indelible brass markings are applied to the cable to aid in tank depth determination. The Probe Assembly part numbers are specified as follows:

Probe Part Number

Example: Our most standard PG-075-SW-SM probe assembly is 75 feet long (075) with a Standard Weight (SW) and brass markings every 5 feet (SM). Various configurations are available.

Standard lengths: 12ft, 25ft, 50ft, 75ft, 110ft, 25M, 30M, 35M

TP7D Series by ThermoProbe

Standard Weight

0.25 lb (0.11 Kg)

This reliable design is our most popular probe.

TP7D Series by ThermoProbe

Extra Weight

0.50 lb (0.23 Kg)

This design has the same diameter as the Standard Weight but is slightly longer and heavier.

TP7D Series by ThermoProbe

Railcar Weight / No Weight

The Railcar probe is produced as a specialty probe for the railcar industry specifically for small diameter gauging tubes fitted in many tanker cars.

TP7D Series by ThermoProbe

Asphalt Weight

0.75 lb (0.34 Kg)

The probe of choice when working with liquid asphalt, molten sulfur, molasses, or similar high-viscosity petrochemicals.


Ask a Question
  • 先に 見積書を顧客に提出しなくては、なりません。恐れ入りますが、仕切値と納期を連絡ください。 株式会社 キャプテン  久下晃司より

    Hello.  We emailed you several days ago.  If you have any further questions, please reply to the email.

  • Je voudrais savoir si on vend en Turquie où en Chine

    (I would like to know if we sell in Turkey or in China)

    No, we do not ship to Turkey or China.

  • Hola cual es el rango de registro de temperatura?

    Hi, what is the temperature recording range?  

    As it states on our website: Range: -40 to +400°F

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