Analysis and measurements 346 Model 174T 174H 175T2 176T2 Range -30 to +70 °C -20 to +70 °C (internal) / 0 to 100% RH -35 to +55 °C (internal) / -40 to +120 °C (external) -100 to +400 °C Resolution 0.1 °C 0.1 °C / 0.1 % RH 0.1 °C 0.01 °C Accuracy* ±0.5 °C (-30 to +70 °C) ±0.5 °C (-20 to +70 °C) / ±3 % RH (2 to 98% RH) ±0.5 °C (-35 to +55 °C) internal / ±0.3 °C (-40 to +120 °C) external ± 0.2 °C (-50 to +200 °C) / ± 0.3 °C (200.1 to +400 °C) Internal probe NTC (included) NTC (included) + %RH (included) 1x NTC (included) External probe** 1 x NTC (to be ordered separately) 2 x Pt100 (to be ordered separately) Power supply 2 x CR 2032 Lithium batteries 3 x AAA LR03 Lithium batteries 3 x AAA LR03 batteries 1 Lithium battery (TLH-5903) Memorization up to 16000 values up to 16000 values up to 1 million values up to 2 million values Memory interval Customizable from 1 minute to 24 hours Customizable from 1 minute to 24 hours Customizable from 10 seconds to 24 hours Customizable from 1 second to 24 hours Environment -30 to +70 °C -20 to +70 °C -35 to +55 °C -35 to +70 °C Dimensions 60 x 38 x 18.5 mm 60 x 38 x 18.5 mm 89 x 53 x 27 mm 103 x 63 x 33 mm Weight 90 g 90 g 450 g 630 g Cat. No. 057406 057407 057408 057409 € N/A - N/A - N/A - N/A - Cat. No. Description € 057425 Set Testo 174 T N/A - 057426 Set Testo 174 H N/A - Cat. No. Description € 057427 USB interface for Testo 174 T and 174 H N/A - 057428 USB Cable for Testo Recorders1 N/A - 057429 SD Card for Testo Recorders2 N/A - Testo 174 T and 174 H Temperature recorders hCompact and economical hProgrammable measurement rate (from 1 min. to 24 h) hMemory 16000 values hTesto 174H: temperature and hygrometry hSupplied with battery, operating instructions and certificate of conformity Set Testo 174 T and 174 H Accessories The Testo sets include the logger, USB interface for programming and transfer of values to a PC, wall mounting, batteries and certificate of conformity. Precision probes for Testo Pt100 recorders and thermometers Cat.No Description Range Accuracy € 057414 Pt100 sensor for aggressive media with interchangeable glass body -50 to +400 °C ± (0.15 + 0.002*T (K)) °C up to 300 °C then ± (0.3 + 0.005*T (K)) °C N/A - 057415 Precision waterproof Pt100 sensor for immersion/permeation -40 to +300 °C ± 0.05 °C (+0.01 to +100 °C) ± 0.05 °C + 0.05% v.m. (remaining extent) N/A - 057424 Replacement glass tube for probe 057414 - - N/A - Probes for Testo thermometers and recorders type NTC Cat.No Description Range Accuracy € 057410 Waterproof NTC contact probe for flat surfaces -50 to +150 °C ± 0.5% v.m. (+100 to +150 °C) ± 0.2 °C (-25 to +74.9 °C) 0.4 °C (remaining range) N/A - 057411 Waterproof NTC probe for immersion/permeation -50 to +150 °C N/A - 057412 Flat cable immersion NTC sensor* -50 to +150 °C N/A - * Handy for measurements in a freezer without a cable duct 057410 057411 057414 057415 * also depends on the probe used ** probe to be ordered separately, see below for the different probes available 1. The USB cable is required for programming the device. 2. The SD card is used to retrieve recorded values but is not an extension of the device's memory Temperature recorders Testo 175 T2 Temperature logger hProgrammable measurement rate (from 10 s to 24 h) hMemory: 1 000 000 values hSupplied with battery, operating instructions and certificate of conformity Testo 176 T2 Temperature logger hProgrammable measurement rate (from 1 s to 24 h) hUp to 2 Pt100 external sensors hMemory: 2 000 000 values hSupplied with battery, operating instructions and certificate of conformity Testo Temperature Recorders Probes - Wide range of probes available, please consult us
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