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UEi DT221
Digital Thermometer
See: DTK2

  • Single Thermocouple Input
  • -328˚ to +2498˚F (k-type)
  • Accepts J and K type thermocouples
  • Auto power off with disable feature
  • Large LCD screen.
  • Bright back-lit display
  • ˚C/˚F select function
  • Date hold
  • REL mode to observe temperature changes
  • 3 year limited warranty
Click here for a larger image - UEI DT221 Dual Input Digital Logging ThermometerClick here for a larger image - UEI DT302 Dual Input Digital Logging Thermometer
UEI DT221 Shown

Product Information
Datasheet 1 MB PDF
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The UEi DT221 Digital Thermometer is compact with a single thermocouple input. The unit accepts J and K type thermocouples. The large LCD screen has a bright backlit display. The DT221 features MIN/MAX, date hold, REL mode to observe temperature changes, and a 3 year limited warranty.
Specification DT221
Sensor Input Single Input
Temperature Range K-Type: -328˚F ~ 2498˚F (-200˚C ~ 1370˚C)
J-Type: -328˚F ~ 1922˚F (-200˚C ~ 1050˚C)
Temperature Unit C˚ or F˚ Selectable
Display Resolution 0.1˚C (0.1˚F)
Accuracy ±(0.2% + 1.4˚F) ±(0.2% + 1˚C)
Input Protection Max Voltage of temperature input is 24V DC
Temperature Coefficient 0.01% of reading + 0.03˚C per ˚C
0.01% of reading + 0.06˚F per ˚F
When out of range 18˚C ~ 28˚C (64˚F ~ 82˚F)
Ordering Information
Model  Description Buy Online Price
DT221 UEI DT221 UEI Digital Thermometer  Discontinued
See: DTK2
Included Accessories
  • 1 - J Type bead temperature probe w/ clip
  • 1 - Temperature Probe
  • 1 - 9V Battery
  • 1 - Manual
Optional Accessories
ATT26 UEI ATT26 Temp Probe, J-Type Liquid 8"  Buy Now $22.95
ATT27 UEI ATT27 Temp Probe, J-Type Bead  Buy Now $22.95
ATT30 UEI ATT30 Temp Probe, J-Type Liquid 8"  Buy Now Sale $32.81
(Reg. $44.95)
ATT29 UEI ATT29 Temp Probe, K-Type Standard  Buy Now Sale $17.90
(Reg. $22.95)
ATT29A UEI ATT29A Temp Probe, K-Type Standard  Buy Now $22.95
ATT36 UEI ATT36 Temp Probe Handle, K-Type 8"  Buy Now Sale $32.21
(Reg. $42.38)
ATT37 UEi ATT37 Right angle K-Type surface probe  Discontinued
See: ATT36
ATTPC UEI ATTPC Pipe Clamp Probe  Discontinued
ATTPC3 UEi ATTPC3 K-Type Pipe Clamp Probe, Grip Type, -40? to 250?F, fits 1/4" to 1 1/2" pipes  Buy Now Sale $33.15
(Reg. $39.95)