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Catalogue Measurement Solutions for Production, Quality Control and Maintenance

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Type name	testo 175-T1		testo 175-T2	testo 175-T3	testo 175-S1	testo 175-S2
Description	1 channel temperature logger with internai sensor		2 channel temperature logger with internal sensor and external probe socket	2-channel temperature logger for external thermocouples	1 channel current/voltage logger, e.g. 4 to 20 mA	1 channel current/voltage logger with display
Illustration All data loggers can be
Illustration All data loggers can be					P
validatedl			do	*Wan*		w £3TJ

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Sensor	NTC (internai)		NTC (internal + external)	Type T (Cu-CuNI) or Type K(NICr-NI)	Probe: Built-in screwed contact socket	Probe: Built-in screwed contact socket
Meas. range	-35 to +70 °C		-35 to +70 °C (Int.) -40 to+120 °C (ext.)	-50 to +1000 °C (Type K) -50 to +400 °C (Type T)	Oto 1 V/Oto 10 V 0 to 20 mA / 4 to 20 mA	Oto 1 V/Oto 10 V Oto 20 mA/4to 20mA
Resolution	0.1 °C (-20 to +70 °C) 0.3 °C (-35 to -20.1 °C)		0.1 °C (-20 to +70 °C) (Int.) 0.1 °C (-25 to +70 °C) (ext.) 0.3 ^aC (remaining range)	0.1 °C	1 mV (0 to 1 mV) 10 mV(1 to 10 mV) 0.01 mA (0 to 20mA)	1 mV (0 to 1 mV) 10 mV(1 to 10 mV) 0.01 mA (0 to 20mA)
Accuracy ±1 digit	System internai ±0.5 °C (-20 to +70 °C) ±1 °C (-35 to -20.1 °C)		System internal ±0.5 °C (-20 to +70 °C) ±1 ^aC (remaining range) Instrument external ±0.3 °C (-25 to +70 °C) ±0.5 ^aC (remaining range)	Instrument without probes TypeK: ±07% of mv (+70.1 to +1000 °C) ±0.5°C(-50to+70°C) TypeT: ±0.7% of mv (+70.1 to +400 °C) ±0.5°C(-50to+70°C)	System ± 2 mV (0 to 1 V) ± 20mV(1 to 10 V) ± 0.05 mA (0 to 20 mA)	System ± 2 mV (0 to 1 V) ± 20 mV(1 to 10 V) ±0.05 mA(0to20 mA)
Memory	7800		16000	16000	16000	16000
Oper. temp.	-35 to +70 °C		-35 to +70 °C	0 to +70 °C	-10 to+50 °C	-10 to+50 °C
Battery life	> 2.5 years*		> 2.5 years*	> 2.5 years*	> 2.5 years*	> 2.5 years*
Measuring rate	10 s ... 24 h		10 s to 24 h	10 s to 24 h	1 s to 24 h	1 s to 24 h
Protection class	IP68		IP68	IP54
Part no.	0563 1754		0563 1755	0563 1756	0563 1759	0563 1761

Type name

testo 177-T1

testo 177-T2

testo 177-T3

testo 177-T4

Description

1 channel temperature logger with internal sensor for long-term monitoring

3 channel temperature logger with internal sensor, 2 external ptobe inputs and 1 event input

4 channel temperature logger for external thermocouples

Illustration

All data loggers can be validatedl

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Sensor

NTC (Internal)

NTC (Int. + ext.) Event logging e.g. door contact

T/C-Type K, T or J (4 x external)

Meas. range

-40 to +70 °C

-40 to +70 °C (Int.) -40 to+120 °C(ext.)

Type K (NiCr-Ni): -200 to +1000 °C Type T (Cu-CuNi): -200 to +400 °C Type J (Fe-CuNi): -100 to +750 °C

Resolution

0.1 °C

0.1 °c

Accuracy

±1 digit

System Internal

±0.4 °C (-25 to +70 °C) ±0.8 °C (-40 to -25.1 °C)

System Internal

±0.4 °C (-25 to +70 °C) ±0.8 °C (-40 to -25.1 °C)

System Internal

±0.4 °C (-25 to +70 °C) ±0.8 °C (-40 to -25.1 °C) Instrument external

±0.2 °C (-25 to +70 °C) ±0.4 °C (remaining range)

System

±0.5% of mv (+70.1 to +1000

•C)

±1.5% of mv (-200 to -100.1

•C)

±0.3 °C (-100 to+70 °C)

Memory

48000

Oper. temp.

-40 to +70 °C

-40 to +70 °C (Int.) -40 to+120 °C(ext.)

0 to +70

°c

Battery life

> 5 years*

Measuring rate

2 s to 24 h

2 sto 24 h

2 s to 24 h

Protection class

IP68

IP67

IP43

Part no.

0563 1771

0563 1772

0563 1773

0563 1774

"at a measuring rate 15 min (-10 to +50 °C)