Mesurement range

-60 °C ... +550 °C (-76 °F ... 1022 °F)

Accuracy

±2 °C at -18 °C ... +23 °C (±3.6 °F at 0 °F ... 73 °F)

±1 % of measurement

±1 °C (whichever is larger) at +23 °C ... +510 °C

±1.8 °F (whichever is larger) at 73 °F ... 950 °F

Resolution

0.1 °C at -9.9 °C ... +199 °C, otherwise 1 °C

(0.2 °F at 14 °F ... 391 °F, otherwise 1.8 °F)

Response time (t₉₉)

Approximately 1 s

Emissivity factor

0.1 ... 1.0

Distance : spot ratio

30:1

NiCr-Ni probe (optional) measurement

Measurement range

-64 °C ... +1,400 °C (-83 °F ... 2,552 °F)

Connection

SMP

Accuracy

±1 % of measurement value / ±1 °C (±1.8 °F), whichever is larger

Battery

2 x AAA (Micro)

Battery lifetime

Typically 180 hours

Operating temperature

0 °C ... +50 °C (32 °F ... 122 °F)

Storage temperature

-20° C ... +65 °C (-4 °F ... 149 °F)

Housing material

ABS

Protection class

IP20

Weight

Approximately 180 g

Certificate

Factory calibration certificate

Type

Description

Cat. No.

TFI 550

Infrared thermometer with NiCr-Ni connection

1340-1786

AN 144

Extension cable, 2.5 m silicone, SMP

1343-2627