Specifications |
Backlit display for use in poorly lit areas |
Fluke 61 |
Yes |
Fluke 63 |
Yes |
|
Holds temperature readings |
Fluke 61 |
Yes |
Fluke 63 |
Yes |
|
Range |
Fluke 61 |
-18 to 275 ºC (-0 to 525 ºF) |
Fluke 63 |
-32 to 535 ºC (-25 to 999 ºF) |
|
MIN/MAX/AVG |
Fluke 61 |
N/A |
Fluke 63 |
MAX |
|
Datalogging |
Fluke 61 |
N/A |
Fluke 63 |
N/A |
|
Distance to spot ratio |
Fluke 61 |
8:1 |
Fluke 63 |
12:1 |
|
Hi-Lo Alarm |
Fluke 61 |
N/A |
Fluke 63 |
Yes |
|
Optional RTD probe (contact temperature measurement) |
Fluke 61 |
N/A |
Fluke 63 |
N/A |
|
Emissivity |
Fluke 61 |
Fixed at 0.95 |
Fluke 63 |
Fixed at 0.95 |
|
Measurement Accuracy |
Fluke 61 |
-18 °C (0 °F) to -1 °C (30 °F) |
± 3 °C (5 °F) |
above -1 °C (30 °F) to 275 °C (525 °F) |
± 2% of reading or 2 °C (3.5 °F) |
|
(With the instrument stable between 23-25 °C) |
|
Fluke 63 |
-32 to -26 ºC (-25 to -15 ºF): |
±3 ºC (±5 ºF) |
-26 to -18 ºC (-15 to 0 ºF): |
±2.5 ºC (±4 ºF) |
-18 to 23 ºC (-0 to 73 ºF): |
±2 ºC (±3 ºF) |
|
For targets above 23 ºC (73 ºF): ±1% of reading or ±1 ºC (±2 ºF), whichever is greater |
|
|
|
|
|