HUMIDITY/BAROMETER/TEMP. METER
Model : PHB-318
FEATURES
* Barometer, Humidity, Temperature meter, three in Weight 157 g/ 0.35 LB. @ Battery is included.
one, professional. Dimension 210 x 40 x 40 mm (8.3" x 1.6" x 1.6")
* Barometer unit : hPa, mmHg, inHg. Accessories Instruction manual....................... 1 PC
* Humidity with Dew point measurement Included
* Temperature emperature measurement with ℃, ℉ unit. Optional Soft carrying case with sash
* Fast response time for humidity measurement. Accessory ( 210 x 80 x 50 mm ), Model : CA-52A
* Atmosphere measurement with high accuracy.
* Two display can select the four mode ( function ) : ELECTRICAL SPECIFICATIONS (23± 5 ℃)
Humidity/Temp., Humidity/Dew point,
Barometer/Temp., Barometer/Humidity. Humidity / Dew point
* Bright LCD display.
* Microprocessor circuit ensures high accuracy and a. Humidity
provides special functions and features. Range 10 % to 95 % R.H.
* Records Maximum and Minimum readings with recall. Resolution 0.1 % R.H.
* Auto power off saves battery life. Accuracy ≧70% RH
* Operates from DC 1.5V ( UM4/AAA ) x 4 PCs batteries. ± (3% reading + 1% RH).
* Durable, long-lasting components, enclosed in strong, < 70% RH - 3% RH.
compact ABS-plastic housing. ± 3% RH.
GENERAL SPECIFICATIONS b. Dew point
Display LCD size : 28 mm x 19 mm. ℃ Range -25.3 ℃ to 48.9 ℃
Temp. unit ℃, ℉ Resolution 0.01 ℃
Barometer unit :hPa, mmHg, inHg. ℉ Range -13.5 ℉ to 120.1 ℉.
Humidity unit %RH Resolution 0.01 ℉.
Dew point ℃, ℉ Remark :
Circuit Custom one-chip of microprocessor LSI * Dew Point display value is calculated from the
circuit. Humidity/Temp. measurement automatically.
Sensor Barometer Semiconductor * The Dew Point accuracy is sum accuracy value of
Structure Humidity Capacitance humidity Humidity & Temperature measurement..
sensor, semiconductor
Temperature Semiconductor Barometer
Data Hold Freeze the display reading.
Memory Recall Maximum & Minimum value. Measurement Range Resolution Accuracy @ reading
Sampling Time Approx. 1 second. hPa 10.0 to 999.9 0.1 ± 1.5 hPa
Power off Auto shut off saves battery life or 1000 to 1100 1 ± 2 hPa
manual off ( REC function ). mmHg 7.5 to 825.0 0.1 ± 1.2 mmHg
Operating 0 to 50 ℃. inHg. 0.29 to 32.48 0.01 ± 0.05 inHg
Temperature
Operating Less than 80% R.H. Temperature
Humidity
Power Supply DC 1.5 V battery ( UM4/AAA ) x 4 PCs, Measuring Range 0 ℃ to 50 ℃/32 ℉ to 122 ℉
Power Current Approx. DC 3.0 mA Resolution 0.1 ℃/0.1 ℉
Accuracy ± 0.8 ℃/1.5 ℉
