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TM184 Resize


Take accurate measurement for humidity, temperature, wet bulb and dew point


High accuracy measurement up to 1% RH, light weight, pocket-sized design

Display :  

  • Large LCD display for simultaneous readings of temperature and  humidity 
  • Dual LCD display : The maximum reading on the top display (primary  display) is    1999. The maximum reading on bottom display (secondary  display) is 9999 
  • Backlit dual display of temperature and humidity 

Features :

  • Relative humidity range from 1% to 99% RH 
  • Temperature range from -20˚C to +60˚C (-4˚F to +140˚F) 
  • Quick-response capacitance sensor with twist-open protective cover 
  • Max / Min and data hold   
  • Auto power off with disable function (adjustable from 0 to 99 min)   
  • Alarm for Hi and Low limit - temperature and humidity  
  • Low battery indication     
  • Data logging capacity : 30,000 records 
  • Length of wire for sensor : approximately 1 metre  
  • Backlit function     
  • Dew point and wet bulb function 
  • Real time clock with calendar   
  • Rel (relative) function 

Specifications :


Temperature range -20˚C to 60˚C (-4˚F to 140˚F)
Temperature accuracy 0.5˚C/1.0˚F (0 to 40˚C/32 to  104˚F);  others  2˚C/3.6˚F
Temperature resolution ±0.1˚C/0.1˚F
Temperature update rate 1 time / second
Temperature sensor type diode
Relative humidity range 1.0% to 99.0% RH
Relative humidity accuracy ±1% RH (@25˚C, 15 to 90% RH), ±  2.5%  RH  (@<15% RH, >90% RH)
Relative humidity resolution 0.1% RH
Dew point range -30˚C to +100˚C (-22˚F to +212˚F)
Wet bulb range 0˚C to 80˚C (32˚F to 176˚F)
Relative humidity response time below 10 seconds
LCD display 42*32 (1.655*1.26 inch)
Power supply DC 9V 
Size 130 x 54 x 38 mm (L*W*H)
Weight 250g
Accessories user manual, battery, carrying case

Note :
1) Country of origin : Taiwan

2) Warranty : 1 year against manufacturing defects

3) All the above descriptions are subject to change without notice

4) Price for Hygrometer TM184 Click-here

5) Price for Protection Holster (PH01) Click-here

For enquiries, kindly email us at Click-here