DTM-321: Dual Input.Temperature and humdity meter. DTM-322: Dual Input + Data Recorder.+RS-232 interface (optional USB cable)
DTM-321, Temperature and Humdity meter RS-232 Interface
DTM-321:
Temp::-20℃ ~ 60 ℃ (-4 ℉ ~ 140 ℉ ) ; K-type: -200 ℃ ~ 1,370 ℃ (-328℉ ~ 2,498℉); Humidity: 0 ~ 100% RH
4 Digit, Triple display.
K-type Termocouple.
Reading hold °C or °F annunciators.
MAX, MIN. function.
Auto power off.
ΔREL function.
Automatic low battery indication.
RS-232 computer interface.
RS-232 cable and software for Windows (Options).
DTM-322:
Temp:-20℃ ~ 60 ℃ (-4 ℉ ~ 140 ℉ ) ; K-type: -200 ℃ ~ 1,370 ℃ (-328℉ ~ 2,498℉); ; Humidity: 0 ~ 100% RH
Data Logging capacity 16,000 records.
4 Digit, Triple display.
K-type Termocouple.
Reading hold, °C or °F annunciators.
MAX, MIN function.
Auto power off.
Time function.
Automatic low battery indication.
RS-232 computer interface.
RS-232 cable and software for Windows.
DTM-322, Temperature and Humdity Datalogger with RS-232 Interface (optional USB cable)
DTM-321/DTM-322 Specification :
Measurement Range:
T1:-20 ℃ ~ 60 ℃ (-4 ℉ ~ 140 ℉ )
T2:K-type:-200 ℃ ~ 1370 ℃ (-328 ℉ ~ 2498 ℉ )
Humidity:
0~100%RH, Accuracy ± 2.5%RH
Accuracy:
-20℃ ~ +60 ℃ :
T1: ± 0.7 ℃
-4℉ ~ 140 ℉
T1: ± 1.4 ℉
-200℃ ~ 1370 ℃ :
T2: ± (0.3%rdg+1 ℃ ) typical
-328℉ ~ 2498 ℉
T2: ± (0.3%rdg+2 ℉ ) typical
Temperature Scale:
Celsius or Fahrenheit user-selectable
Resolution:
Humidity:0.1%RH;Temp.T1:0.1 ℃ ,0.1 ℉ T2:-200 ℃ ~200 ℃ ,0.1 ℃ ; 200 ℃ ~ 1370 ℃ ,1 ℃ .
Sensor:
K-type Thermocouple
Response Time (T1):
Humidity:75 sec. in slowly moving air
Temperature:
40 sec. in slowly moving air
Input Protection:
60V DC or 24V rms AC Maximum
General
Power Requirement:
1 piece 9V battery
Dimensions:
Meter:10.8 " x2.5 "x1.2" (186x64x30mm) Probe:7.5 " x0.6 " (190x15mm) Weight:11.2 oz(320g)
Accessories:
1 x TPK-01,probe, 9V battery, Deluxe carrying case, owners manual, RS-232 cable & software for Windows (DTM-322 only) Optional accessory: USB softwave dirvier and USB cable