Center 311 Thermo-Hygrometer HDC022

Center 311 is a standard humidity temperature meter. With its high performance sensor, this tester have rapid response and long time stability. Center 311 had also included a thermal couple input that can use normal thermal couple probes.
Features:

    * Dual input.
    * Triple display.
    * RS-232 interface.
    * REL function.
    * Auto power off.
    * HOLD function.
    * MAX/MIN function.
    * Resolution: 0.1oC, 0.1oF, 0.1%rH.

Specifications:
    * Range & accuracy:
      Temperature: -20 ~ 60oC.....+/-0.7oC.
                          -4 ~ 140oF.....+/-1.4oF.
      Type K: -200 ~ 1370oC.....+/-0.3%rdg +1oC.
                  -328 ~ 2498oF.....+/-0.3%rdg +2oF.
    * Humidity: 0 ~ 100%rH.....+/-2.5rH.
    * Input protection: 60V DC or 24Vrms AC maximum.
Standard accesories:

    * 9V Battery.
    * Operation manual.
    * Carrying case.
    * Temperature / humidity probe TP-K01.
    * RS-232 cable (sold separately).
    * Software (sold separately).
Dimensions:
Height: 7.32" (186 mm).
Width: 2.51" (64 mm).
Depth: 1.18" (30 mm).
Probe: 7.4" x ?0.6" (190 x ?15 mm).
Weight: 11.2 oz (320 g).