Model |
200/220 |
400/420 |
400L/U |
Pro 630 |
Pro 632 |
| MSRP |
$34.99/$39.99 |
discontinued/$49.99 |
$79.99/$79.99 |
$39.99 |
$44.99 |
| Measurement Range |
-33 to 110°C ('-27 to 230°F) |
-33 to 220°C ('-27 to 428°F) |
-33 to 220°C ('-27 to 428°F) |
-20 to 320°C ('-4 to 605°F) |
-20 ~ 500°C ('-4 ~ 930°F) |
| Operating Range |
0 to 50°C (32 to 122°F) |
0 to 50°C (32 to 122°F) |
0 to 50°C (32 to 122°F) |
0 ~ 50°C (32 ~ 122°F) 10 ~ 90% RH |
0 ~ 50°C (32 ~ 122°F) 10 ~ 90% RH |
| Accuracy |
± 2.5% 100 to 230°F
± 1° 10 to 100°F |
± 2.5% 100 to 428°F
± 1° 10 to 100°F |
± 2.5% 100 to 428°F
± 1° 10 to 100°F |
± 2% of reading or ± 2°C whichever is greater
±2% of reading or ±2℃ whichever is greater |
± 2.0°C (±3°F) from '-20 ~ 100°C ('-4 ~ 212°F)
± 2% from 100 ~ 500°C (212 ~ 930°F) |
| Resolution |
0.2°C (0.5°F) |
0.2°C (0.5°F) |
0.2°C (0.5°F) |
0.5°C (0.5°F) |
0.2° C (0.2°F) |
| Response Time |
1 Second |
1 Second |
1 Second |
500 ms |
500 ms |
| Distance to Spot Ratio |
1:1 |
1:1 |
1:1 |
8:1 |
8:1 |
| Emissivity |
0.95 Fixed |
0.95 Fixed |
0.95 Fixed |
Fixed at 0.95 |
Fixed at 0.95 |
| Update Frequency |
1.4 Hz |
1.4 Hz |
1.4 Hz |
n/a |
n/a |
| Dimensions |
13 x 128 mm |
13 x 128 mm |
13 x 128 mm |
150 x 133 x 45 mm |
150 x 133 x 45 mm |
| Wave Length |
5 um to 14 um |
5 um to 14 um |
5 um to 14 um |
5 um to 14 um |
5 um to 14 um |
| Weight |
45.0 g |
45.0 g |
60.0 g |
135 g |
135 g |
| Battery |
2 LR44 Batteries |
2 LR44 Batteries |
2 LR44 Batteries; 1 AAA Battery |
9 V |
9 V |
| Thermopile |
n/a |
n/a |
n/a |
5 ~ 14µm |
5 ~ 14µm |
| Repeatability |
n/a |
n/a |
n/a |
± 1°C (± 2°F) |
± 1°C (± 2°F) |
| Auto Power Off |
n/a |
n/a |
n/a |
Automatically after approx. 6 sec. |
Automatically after approx. 6 sec. |
| Storage Temp |
n/a |
n/a |
n/a |
-10 ~ 60°C (14 ~ 140°F) |
-10 ~ 60°C (14 ~ 140°F) |
| °C/F° Switchable |
n/a |
n/a |
n/a |
Yes |
Yes |
| Backlight |
n/a |
n/a |
n/a |
Yes |
Yes |
|