Search Catalog
 All Categories    DURAC® Maximum/Minimum Thermometers
Toll Free Phone: 800-4 TEST-Lab (USA & Canada only)
Worldwide Phone: 610-489-5500
Toll Free Fax: 800-HBI-FAX2 (USA & Canada only)
Worldwide Fax: 610-489-9100
Click Here for Our Complete List of Distributors
All Categories > Thermometers > Special Application Thermometers > DURAC® Maximum/Minimum Thermometers > View Items  
Download PDF Download PDF     Printable Page     Email Email This Page     Save To Favorites Save To Favorites

DURAC® Maximum/Minimum Thermometers

Check up to five results to perform an action.

H-B Catalog No. 3817 displays the current, maximum and minimum temperatures simultaneously with the ability to switch between indoor and outdoor temperature displays and features a high/low alarm, low battery indicator, 30mm (1.2 in) probe with 3 meter (9.8 ft) cable, mounting keyhole and multi-language (English, French, German, Italian, Portuguese and Spanish) instructions and Statement of Traceability indicating accuracy traceable to NIST and DAkkS. Items are CE marked and RoHS compliant. Tested and calibrated in our exclusive triple accredited/registered ISO/IEC 17025:2005, A2LA accredited laboratory against equipment whose calibration is traceable to NIST and DAkkS. Individually packaged.

All other maximum/minimum thermometers display the current temperature and register the maximum and minimum temperatures attained since the last reset.

H-B Catalog No. 30316 features a U-shaped thermometer, mounted on a plastic casing, with metal floats at the top of each column. One float remains at the maximum temperature while the other float remains at the minimum temperature. Reset the floats by pushing the reset button.

Maximum/Minimum thermometers are for use in high moisture or wet environments including green houses, sample prep areas and water treatment facilities.

  Results 1 - 4 of 4 1 

Item #

Item Image


Indoor Range






3817 Sensor 0/50 ºC
32/122 ºF
0.1 3.9 in
98 mm
4.3 in
110 mm
N/A 1ºC; 2ºF
3855 Splash Proof N/A 0.1 3.9 in
100 mm
8.5 in
215 mm
N/A 1ºC; 2ºF
3900 No N/A 1ºC; 2ºF 3.1 in
200 mm
9.1 in
230 mm
N/A 1ºC; 2ºF
30316 Yes N/A 1ºC; 2ºF N/A N/A 7.9 in
200 mm
1ºC at ambient; 2ºC at -30ºC tolerance between limbs 1.5ºC
  Results 1 - 4 of 4 1