Hengesbach TP 51 Compact Resistance Thermometer

Hengesbach TP 51 Compact Resistance Thermometer

Table of Contents


The TP51 temperature sensor in the Quicktemp series increases the accessibility of the measuring points without, for example, aving to open them for maintenance or calibration work. The device is easy to insert into or remove from the sheath, which saves time and resources and ensures process safety.

The design of the Quick temp system is based on one basic device with various fitting lengths or process connections, assuming defined fitting lengths. For the user, this guarantees a high degree of flexibility, while at the same time minimize the storage costs.

Application-appropriate fitting lengths and process connections are available. The temperature sensor can be designed as a resistance output (4-wire) or be equipped with a transmitter. The short installation length and the coordinated process connections make it possible to install the device in pipes with a small nominal width, especially when using the T516 compact device. High temperature stress at the connection head should be avoided. Installation into the Quick temp sheath system should take place with the aid of thermal conductance paste to ensure short
addressing times.

Hengesbach TP 51 Features:

Hengesbach TP 51 Compact Resistance Thermometer is easy to insert into or remove from the sheath, which saves time and resources and ensures process safety.

  • two versions:
  • T516 for small nominal pipe widths and T504 for
  • nominal pipe widths from dn 40 onwards
  • compact device with pt 100 or 4…20ma output for a defined requirement profile
  • to be installed by using thermal conductance paste
  • various designs for appropriate installation, adaptation to existing measuring points without design changes.


Design configuration: – TP 51 basic device –
Type compact housing, 63 x d=18mm
Housing material stainless steel 316L
Temperature sensor PT 100 according to EN 60751, sensor 1.4571
Diameter of measuring insert continuously smooth, d = 3 mm (not exchangeable)
Sensor length T516 = 63 mm, T504 = 117 mm
Connection, electrical M12 plug-in connection, 4-pin
Measuring insert, electrical 1 x PT 100 in 4-wire circuit
Type of connection, electrical – transmitter TE 62, 4-20 mA, 2L, programmable, galvanically separated (TE41)
– resistance 1×4-wire
– sheathed cable version (vibration-resistant version)(on request)
Temperature of measuring material Tmax at the sensor = -50… +150°C (check collar pipe)
Response times T50 (measured in water): 6 s (design-dependent, d = 6 mm),
Accuracy tolerance class acc. to EN 60751, standard: Class A, optional: Class B 1/10, 1/3, 1/2 DIN
Protection type EN 60529 IP 68
Admissible pressure design- and temperature-dependent
Process connections – Quicktemp zeh / TP16 – 504 G1/2, with metal sealing cone, total length = 117mm, El = 50 mm, d = 6 mm
– Quicktemp zeh / TP15 – T504, smooth sensor, no threaded joint, total length = 117mm, El = 102 mm, d = 6 mm
– Quicktemp zeh / TP136 – T504, welded spherical protection sleeve, DN = 25 mm, total length = 117mm, El = 50 mm, d = 6 mm
– Quicktemp zeh / T535, smooth welded sensor, total length = 118mm, EL = 50 mm, d = 6 mm, tapered to d = 4 mm
– Quicktemp zeh / T516 – G1/2, smooth sensor, cylindrical, total length = 64mm, El = 20 mm, d = 6 mm
– Quicktemp zeh / TP26 – T516, with M12 metal sealing cone, total length = 117mm, El = 20 mm, d = 6 mm
– Quicktemp zeh / TP136 – T516, with spherical welding socket, total length = 64mm, El = 20 mm, d = 6 mm
Electronic data transmitter
Output signal 4…20 mA analog or 20…4 mA
Breakdown signal – measuring range not achieved: linear drop up to 3.8 mA
– measuring range exceeded: linear rise up to 20.5 mA
– sensor failure: Sensor short-circuit ≤ 3.6 mA or ≥ 21.0 mA
Power requirement ≤ 3.5 mA
Switch-on delay 2s
Supply voltage 10…35V DC
Environmental temperature -40…+85 °C
Storage temperature -40…+85 °C
Climate class EN 60654-1, class C, condensation permissible
CE conformity EMV guidelines have been met
Calibration factory calibration, calibration certificate (3-point or 5-point), traceable to DKD standard
Certificates material certificate
CE conformity EMV guidelines are met, CE symbol
Accessories: – configuration set TZ62, USB connection
– 5m cable with M12 x 1 coupling

Process adaptation for QUICKTEMP system (please order separately)
QUICKTEMP sleeve, zeh / TP16 – T500
with metallic sealing cone G½B Item No. 06402380
QUICKTEMP sleeve, zeh / TP15 – T500,
with smooth sensor, cylindrical Item No. 06402381
QUICKTEMP sleeve, zeh / TP136 – T500,
with spherical welded socket Item No. 06402382
QUICKTEMP sleeve, zeh / T535 – T535,
with smooth sensor, tapered tip Item No. 06402400
QUICKTEMP sleeve, zeh / T516 – T516,
smooth sensor, cyclindrical Item No. 06402409
QUICKTEMP sleeve zeh / TP26 – T516,
M12 metal sealing cone Item No. 06402386
QUICKTEMP sleeve, zeh / TP136 – T516
spherical welding socket

Download Data Sheet: Compact Resistance Thermometer TP 51

Ref: www.hengesbach.com

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