Madgetech Hitemp140 Data Logger

Madgetech HiTemp140 is a rugged, high precision, temperature data logger that is built for use in harsh environments. This stainless steel device is submersible and can withstand temperatures up to 140 °C (284 °F). With the HiTemp140’s standard calibration, an accuracy of +/-0.1 °C (0.18 °F) can be achieved over a wide temperature range. 

Select Probe Length

Tax /GST included

Madgetech HiTemp140 can store up to 32,700 readings, and features a rigid external probe capable of measuring extended temperatures, up to 260 °C (500 °F). Custom probe lengths are available up to 7 inches. The device records date and time stamped readings, and has non-volatile solid state memory which retains data even if the battery becomes discharged.


• Autoclave Verification
• Pasteurization
• Food Preparation and Processing
• Environmental Studies
• Well Monitoring
• Dishwasher Testing


• Simple Setup and Installation
• Minimal Long-Term Maintenance
• Long-Term Field Deployment


• User Replaceable Battery 
• Rugged
• Programmable start time
• Programmable stop time
• Engraved Label
 Battery Life Indicator

50 Items

Data sheet

Model 1
Resolution (Temperature)
0.01 ºC (0.02 ºF)
IFC400 OR IFC406 USB docking station required; 125,000 baud
Operating Temperature
-40 ºC to +140 ºC (-40 ºF to +284 ºF)
Operating Humidity
0 %RH to 100 %RH, 0.002 PSIA to 100 PSIA
Reading Rate
1 reading every second up to 1 reading every 24 hours
Battery Life
1 year typical (1 minute reading rate at 25 ºC/77 ºF)
Real Time Status
May be used with PC to monitor and record data in real time
Start Modes
• Software programmable immediate start || • Delay start up to 18 months in advance
Calibration Date
Automatically recorded within device
Data Format
Date and time stamped ºC, ºF, K, ºR
Stop Modes
Manual or Timed (specific date and time)
Probe Measurement Range
-200 ºC to +260 ºC (-328 ºF to +500 ºF)
Temperature Sensor
100 Ω Platinum RTD
Password Protection
An optional password may be programmed into the device to restrict access to configuration options. Data may be read out without the password.
Calibrated Accuracy
±0.1 ºC/±0.18 ºF (20 ºC to +140 ºC/68 ºF to +284 ºF) || ±0.3 °C/±0.54 ºF (-20 °C to +19.99 °C/-4 °F to +67.98 °F) || ±0.4 °C/±0.72 ºF (-40 °C to –20.01 °C/-40 °F to -4.02 °F)
Wrap Around
32,700 readings
316 Stainless Steel
Provided alongwith and valid for 1 year, traceable to National Standards
XP SP3/Vista/Windows 7/Windows 8 (MadgeTech 4 Only)
Time Accuracy
±1 minute/month at 20 ºC to 30 ºC (68 ºF to 86 ºF) (Stand alone mode)
Body HiTemp140-1 :1.6 in x 0.970 in dia. (40 mm x 24.6 mm dia.) || Body HiTemp 140-2, 5.25, 7 : 1.9 in x 0.970 in dia. (48 mm x 24.6 mm dia.)
4.2 oz (120 g)

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