Compare: XR450 vs XR440 Pocket Logger

The XR450 Pocket Logger is identical in form and function to the XR440. Improvements include a USB interface, 50% more E terminal power and higher accuracy time clock.

The XR450 is compatible with all sensors and plug-in modules used with the XR440 and works with the XR440's Pocket Logger Software.

Differences: XR450 vs XR440

XR450 XR440
Communications cable Any USB-C data cable Pace IC209 + USB‑A Adapter
Maximum E terminal current

(to power external sensors)

30 ma 20 ma
Time clock accuracy at 25°C Less than 1 minute per month 2 minutes per month
Time clock accuracy at 60°C Less than 1 minute per month 6 minutes per month
Time clock accuracy at -20°C 1 minute per month 6 minutes per month
Time accuracy: Fast Logging at 25°C
(1 Hz or faster sampling rate)
0.05% 0.5%
Time accuracy: ~2, ~4, ~6 sec rates in Logging mode: Run until memory full. Same as XR450 clock accuracy (above) Same as XR440 clock accuracy (above)
Time accuracy: ~2, ~4, ~6 sec rates in Logging mode: Continous, with memory full. 4% 30%
Measurement resolution 12 bits User selectable:
8, 10 or 12 bits
Maximum readings
( XR440 at 12 bit resolution )
86,016 XR440: 21,504
-M model: 86,016
Available Models XR450 XR440
XR440-M

What is the Same: XR450 vs XR440

XR450 XR440

Free Software for Windows

The XR450 and XR440 both use Pocket Logger Software.

YES YES
Four Analog Inputs YES YES
All Inputs are Multi-function YES YES
Same selection of Sampling Rates YES YES
Accepts all Pace Plug-in Modules YES YES
Log on External Trigger

(Once per logging session)

YES YES
Accepts Thermocouple or Millivolt signal with Mvt module YES YES
Operating Temperature Range

-40 to 60°C (-40 to 140°F)

YES YES

Note: Time clock accuracy = time accuracy of logged readings for all Sample Rates and Recording modes except where noted above.