Compact thermometer

Easytemp TSM187

from €151.-

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High accuracy sensor and transmitter
Mineral insulated replaceable inset
Replaceable electronics

Specs at a glance

Immersion length (diameter)	120 / 160 / 250 / 400 mm (⌀ 9 mm) (4.7 / 6.3 / 9.9 / 15.8 inch (⌀ 0.35"))
Temperature range	–30 to +170 °C (–22 to +338 °F), 0 to 100 °C (32 to 212 °F), 0 to 200 °C (32 to 392 °F)
Pressure	50 bar at +20 °C (725 PSI at +68 °F) 1 bar at +400 °C (14.5 PSI at +752 °F)
Tolerance	<0.08 %, Pt100 Class A
Response time	≤18 s (T₅₀), ≤55 s (T₉₀)

Product / Version		Price / pcs. in EUR			Order code
Measuring Range	Immersion Length L	1 to 3	4 to 10	11+
TMT187, 4-20mA -30..+170oC	120mm	184,-	166,-	151,-	TSM187-ADD Add to cart
	160mm	184,-	166,-	151,-	TSM187-BDD Add to cart
	250mm	188,-	169,-	154,-	TSM187-CDD Add to cart
	400mm	192,-	172,-	157,-	TSM187-DDD Add to cart
TMT187, 4-20mA 0..+100oC	120mm	184,-	166,-	151,-	TSM187-AFE Add to cart
	160mm	184,-	166,-	151,-	TSM187-BFE Add to cart
	250mm	188,-	169,-	154,-	TSM187-CFE Add to cart
	400mm	192,-	172,-	157,-	TSM187-DFE Add to cart
TMT187, 4-20mA 0..+200oC	120mm	184,-	166,-	151,-	TSM187-AFH Add to cart
	160mm	184,-	166,-	151,-	TSM187-BFH Add to cart
	250mm	188,-	169,-	154,-	TSM187-CFH Add to cart
	400mm	192,-	172,-	157,-	TSM187-DFH Add to cart

Prices valid until 31.12.2019 in EUR per unit (not including shipping and applicable sales tax). See
Endress+Hauser Terms and Conditions

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Application

The Easytemp TSM187 compact thermometer range covers a wide variety of market needs. Typical applications can be found in the chemical and pharmaceutical industry, pulp and paper, waste water and food industry. It is widely used in vessels and pipes where a reasonable response time is required.

Function

TSM187 assembly includes a replaceable inset, in a mineral insulated sheath with a G½" process connection. The head transmitter (DIN 43729 Form B) is thermal decoupled via a extension neck. The integrated electronics convert the resistance value in a linearly temperature 4 to 20 mA signal.

Installation instructions

Pipe installation:

a) At elbows, against the flow

b) In smaller pipes, leant against the flow

c) Perpendicular to the flow

Technical data

Sensor

Sensing element	Platinum resistance, 1 × Pt100 (100 Ω at 0 °C)
Measurement range	–30 to 170 °C (–22 to 338 °F), 0 to 100 °C (32 to 212 °F), 0 to 200 °C (32 to 392 °F)
Tolerance	Class A to IEC 751: –50 to +250 °C
Wiring	Four-wire connection, mineral insulated cable (MgO)
Insulation resistance	≥100 MΩ, test voltage 250 V at ambient temperature
Sheath diameter	6 mm (0.24")
Response time value	T₅₀/18 s; T₉₀/55 s; according to IEC 751
Operating conditions	50 bar at +20 °C (725 PSI at +68 °F) 1 bar at +400 °C (14.5 PSI at +752 °F)

Protecting tube

Shape	DIN 43772 form 2G
Diameter	9 mm (0.35")
Material	SS 316Ti/1.4571

Process connection

Shape	DIN 43772 form 2G
Screw Thread	G½", 1.4571/SS 316TI

Terminal head

Type	DIN 43729 form B
Protection class	IP 66/68
Electrical connection	M20×1.5
Material	Aluminum, polyester powder coated

Output (Transmitter, replaceable)

Output signal	4 to 20 mA transmission is temperature linear, resistance linear
Max. load	(V_{power supply} – 8 V)/0.022 A
Input current required	≤3.5 mA
Current limit	≤23 mA
Switch on delay	4 s (during power up I_a = 3.8 mA)
Response time	1 s

Signal on alarm (Transmitter, replaceable)

Underranging	Linear drop to 3.8 mA
Overranging	Linear rise to 20.5 mA
Sensor breakage/ Sensor short circuit	≥21.0 mA

Electrical connection (Transmitter, replaceable)

Power supply	U_b = 8 to 35 V, polarity protected
Galvanic isolation	Û = 3.75 kV
Allowable ripple	U_ss ≤ 5 V at U_b ≥ 13 V, f_max = 1 kHz
Reference conditions	Calibration temp. +23 °C (73 °F) ± 5 K (9 °F)

Accuracy (Transmitter, replaceable)

Influence of power supply	≤ ±0.01 %/V deviation from 24 V
Load influence	≤ ±0.02 %/100 Ω
Temperature drift	T_d = ±(15 ppm/K × max. meas. range + 50 ppm/K × preset meas. range) × Δθ
Pt100	0.2 K or 0.08 %

Operating conditions (Transmitter, replaceable)

Ambient temperature	–40 to +85 °C (–58 to +185 °F)
Climatic class	As per IEC 60 654-1, Class C
Vibration protection	4 g / 2 to 150 Hz according to IEC 60 068-2-6
EMC	Shock resistance and interference emission as per IEC 61326 and NAMUR NE 21

Dimensions (in mm)

Compact thermometer Easytemp TSM187 - Dimensions — L = Immersion length

**Installation according to operation instructions**

Electrical connection

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