User Guide

Features:
• Model 42265 — Temperature Datalogger kit
records up to 8000 readings
• Model 42275 — Temperature and Humidity Datalogger kit records
up to 16,000 readings (8,000 readings for each parameter)
• Use in storage containers, shipping vans, freezers and more
• Logs data for days, weeks or months — up to 1 year battery life
• Multiple Dataloggers (42260 or 42270) can be programmed
and data downloaded from one single docking station
• Programmable sampling rate from 1sec to 2hrs plus Hi/Lo
limits with alarm indication
• Program the logger, analyze and store data using Windows®
95/98/2000/NT/ME/XP compatible software
• View temperature (42265) or both humidity and
temperature (42275) on LCD display
• Three start methods: Scheduled, immediate or magnetic
• Real time clock stores date & time with data
• Wide operating range:
Humidity: 0 to 100% RH (model 42270)
Temperature: -40 to 185˚F (-40 to 85˚C)
• Dimensions/Weight:
42260 or 42270 — 3x2.3x0.88" (76.2x57.2x22.3mm) 2.6oz (72.6g)
42265 or 42275 — 4.9x3.8x2" (123.8x95.3x51mm) 9oz (254g)
• NOTE: Order model 42270 (Datalogger Only) as a replacement
unit or as an addition to the kit. The datalogger by itself cannot
function without the software and docking station.
Temperature/Humidity Datalogger Kits
Compact, powerful and easy to use — records up to 16,000 readings
Ordering Information:
42275 ............ Temperature/Humidity Datalogger Kit
42270 ..............Temperature/Humidity Datalogger
42265 ..............Temperature Datalogger Kit with PC Interface
42260 ..............Temperature Datalogger for 42265
159117 ............117V AC Adaptor
159222 ............220V AC Adaptor
42299 ..............Replacement 3.6V Lithium batteries (2pk)
422378 ............Replacement Thermal Paper (5pk)
Specifications Ranges Resolution Basic Accuracy
Temperature: -40°F to 185
o
F 0.1° ±1°F (-4 to 122°F),
±2°F (-40 to -4°F, 122 to 185°F)
-40°C to 85°C ±0.6°C (-20 to 50°C),
±1.2°C (-40 to 20°C, 51 to 85°C)
Humidity: 0 to 100%RH 0.1% ±5%RH
Datalogging Interval: 1 sec to 2 hours
Memory: Temperature: 8000 points; Relative Humidity: 8000 points
Dimensions: 42260 or 42270: 3x2.3x0.88" (76x57.2x22.3mm)
42265 or 42275: 4.9x3.8x2" (123.8x95.3x51mm)
Weight: 42260 or 42270: 2.6 oz. (72.6g),
42265 or 42275: 9oz (254g)
Applications:
• Clean rooms • Refrigerator
• Freezer • Shipping vans
• Shipping crates • Cargo vessels
• Storage areas • Warehouses
ISO 9001:2000 CERTIFIED
09/27/04 - R1
Make mine an Extech!
www.extech.com
Model 42275 kit
includes software to analyze
and store data.
Product DATASHEET
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Melrose, MA 02176
Fax [phone]
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