• 中國臺灣群特CENTER-31 大屏報(bào)警溫濕度計(jì)  掛壁式溫度表

• 品牌：中國臺灣群特 型號：CENTER-31
• 溫度、濕度測量
• 大屏幕雙液晶顯示溫度、濕度
• 可插拔探頭，可選購延長線
• 設(shè)置溫度/濕度報(bào)警點(diǎn)
• 聲音及LED燈光報(bào)警功能
• 書桌或壁掛
• zui大zui小值功能
• 溫度：-20~60℃，溫度：±0.7℃
  濕度：1%RH~99%RH，濕度：±3%RH
• 中國臺灣群特CENTER-31 大屏報(bào)警溫濕度計(jì)  掛壁式溫度表

CENTER 31 is our proposed full time environmentalmonitoring system. Its detachable probe and can be verify or calibrated throughoptional signal extending cable and our standard calibration cell. Monitoringlimit can be set to this unit. Once the environment condition is out of thesetup condition, the unit will send the warning with buzzing and blinkingdisplay.

Features: 

Large, easy-to-readdual LCD displays Humidity and Temperature.

3%RH humidityaccuracy.

Calibration availableon site.

Desk or wall mount.

MAX/MIN valuemonitor.

Audible and visualalarms, with adjustable set points, warns if limits are exceeded.

Detailed Product Description

Hygro Thermometer with Audio Alarm 
Temperature humidity large LCD dispaly 
DTM-20 multi-functional, High accuracy +/- 2% RH 

Hygro Thermometer with Audio AlarmFeatures 
TECPEL is proudly introducing new DTM-20 Hygro Thermometer which is amulti-functional hygrometer with the features of measuring humidity,temperature, dew point and Hi-Low Limit audio alarm function. This unit can besimply put on the desk or mounted on the wall for environment monitor. Optionalhigh precision sensor +/- 2% RH is available for customer's choice （DTM-20RP32）
Sensor Probe DTM-20RP31 （Standard）  DTM-20RP32 （ High Accuracy） 
   
< 10% RH, > 90% RH +/- 5.0 % RH +/- 5.0 % RH 
10% ~ 90% RH +/- 3% RH +/- 2% RH 
15 ~ 35°C, 60 ~ 95° F +/- 0.8° C/ +/- 1.5° F --------- 
<15°C, >35°C, <60°F, >95°F +/- 1.5~ 1.7°C --------- 
-20 ~ +60°C, -4°F~ +140°F ---------- +/- 0.8°C; +/- 1.5°F

中國臺灣群特CENTER-31 大屏報(bào)警溫濕度計(jì)  掛壁式溫度表
Specifications:
Features of Hygro Thermometer DTM-20 
Large, Easy to read dual LCD displays Humidity and Temperaturemeasurement 
+/- 3% RH humidity accuracy （Standard） 
Easy to Calibrate on site. 
Desk stand and Wall mount hole avaialbe. 
Max/Min Value display 
Audible and visual alarms for High-Low limit setting. 
Low battery indication. 
Turn on/off alarm function. 
Switchable for Relative Humidity（RH） and Dew Point（DP） measurement. 
Self checking screen right after the installation of the the batteries. 
Sensor probe can be easily screwed off and replaced by users. 
Specifications of Hygrom Thermometer DTM-20 
Sensor: NTC type high accuracy Humidity sensor 
Measurement Range: 
Temperature : -20 ~ 60 ° C, -4 ~ 140 ° F 
Humidity : 0 ~ RH 
Dew Point Temperature: -20 ~ 60 ° C, -4 ~ 140 ° F. 
Resolution: 0.1% RH, 0.1° C; 0.1° F. 
Measurement Rate: 20 sec per time 
Operating environment: 
Temperature: -20 ~ 60 ° C; Humidity 0 ~ 55 ° C. 
Storage environment: -10 ~ 70 ° C（ 14 ~ 160° F）; 0 ~ 70% RH 
Temperature Coefficient: 0.1 x （specified accuracy） / °C（ < 23°C or >23°C） 
Battery: 4 each AAA/R03 batteries 
Batery Life: Approx. 1 yea （ With alkaline battery） 
Dimension: 105 x 140 x 26 mm（ 4.1" x 5.5" x 1.0"） 
Weight: Approx. 266 g 
Accessories: Battery, Instruction manual, RP31 standard Sensor probe （ OptionalPrecision sensor probe DTM-20-RP32）

Features:
Sensor probe 
Probe: RP-31 （ Standard unit） 
Probe: RP-32 （ Optional）