Model |
KT 220 |
KH 220 |
KH 220 |
Units displayed |
°F, °C, °Ctd, °Ftd, %RH, mV, V, mA, A, bar 1 |
°F, °C, °Ctd, °Ftd, %RH, lux, fc, mV, V, mA, A, bar 1 |
°F, °C |
Resolution |
0.1°F, 0.1°C, 0.1%RH, 1 mV, 0.00 V,
0.001mA, 0.1 A, 0.1 bar |
0.1°F, 0.1°C, 0.1%RH, 1 lux, 0.1 fc, 1 mV
0.001 V, 0.001 mA, 0.1 A, 0.1 bar |
0.1°F, 0,1°C |
External input |
Female micro-USB connector |
Female micro-USB connector |
Female micro-USB connector |
Input for probe |
1 universal input |
1 universal input |
2 inputs for thermocouple probes (K, J, T, N, S) |
Internal sensor |
Temperature |
Temperature, humidity, light |
Temperature |
Type of sensor |
Thermistor (NTC) |
Thermistor (NTC), capacitive, photodiode |
Thermocouple |
Measuring range |
Internal sensor 3 :
-40 to 158°F
(-40 to 70°C) |
Internal sensor 3 :
Temp.: -4 to 158°F (-20 to 70°C)
Humidity: 0 to 100%RH
Light: 0 to 10,000 lux |
K: -328 to 2372°F (-200 to 1300°C)
J: -148 to 1382°F (-100 to 750°C)
T: -328 to 752°F (-200 to 400°C)
N: -328 to 2372°F (-200 to 1300°C)
S: 32 to 3200°F (0 to 1760°C) |
Accuracies |
±0.8°F from -4 to 158°F
(±0.4°C from -20 to 70°C)
±1.5°F below -4°F
(±0.8°C below -20°C) |
Temp: ±0.8°F from 32 to 122°F
(±0.4°C from 0 to 50°C)
±1.5°F below 32°F or above 122°F
(±0.8°C below 0°C or above 50°C)
Humidity 5 : ±2%RH from 5 to 95%RH @ 59 to 77°F
(15°C to 25°C)
Light: ±10% of reading 10 lux |
K, J, T, N: ±0.8°F from 32 to 2372°F
(±0.4°C from 0 to 1300°C)
±(0.3% of the reading 0.8°F) below 32°F
(±(0.3 % of the reading 0.4°C) below 0°C)
S: ±1.1°F (±0.6°C) |
Operating temperature |
-40 to 158°F (-40 to 70°C) |
-4 to 158°F (-20 to 70°C) |
-4 to 158°F (-20 to 70°C) |
Storage temperature |
-40 to 185°F (-40 to 85°C) |
-40 to 185°F (-40 to 85°C) |
-40 to 185°F (-40 to 85°C) |
Alarm set points |
2 alarm set points per channel |
2 alarm set points per channel |
2 alarm set points per channel |
Frequency of measurement |
1 s to 24 h |
1 s to 24 h |
1 s to 24 h |
Battery life |
4 years |
4 years |
4 years |
Warranty |
1 year |
1 year |
1 year |
Directives |
2011/65/EU RoHS II; 2012/19/EU WEEE; FCC part 15; UL 61010 |