cd-4303

Lutron CD-4303 là đồng hồ dùng để đo độ dẫn điện của nước dải đo hiển thị 4 số, dải đo 0.1 uS to 199.9 uS (Micro Siemens), 0.2 mS to 1.999 mS (Mili=liSiemens), 2 mS to 19.99 mS; đo nhiệt độ 0-60oC.



FEATURES / TÍNH NĂNG

Features:
SPECIFICATION / THÔNG SỐ KỸ THUẬT CƠ BẢN

GENERAL SPECIFICATIONS

Circuit Custom one-chip of micro- processor LSI circuit.
Display * 13 mm(0.5") Super large LCD display with contrast adjustment for best viewing angle.
* Dual function meter's display.
Measurement & ranges 200 uS - 0.1 uS to 199.9 uS.
2 mS - 0.2 mS to 1.999 mS.
20 mS - 2 mS to 19.99 mS Temperature : ℃, ℉.
Sensor Electrode Carbon rod electrode, high reliability.
Data Hold By push button
Memory Recall Records Maximum, Minimum and Average readings with recall.
Power off Auto shut off saves battery life or manual off by push button.
Sampling Time Approx. 0.8 second.
Data Output RS 232 PC serial interface.
Temperature Compensation Automatic adjusting 0 ℃ to 60 ℃ (32 ℉ to 140 ℉).
Over input indication Indication of "- - - -".
Solution Temp. Coefficient Factor Preset to 2.0 % per ℃. Automatic from 0 to 60 ℃ ( 32- 140 ℉), with temperature compensation factor variable between 0 to 5.0% per ℃.
Operating Temperature 0 to 50 ℃ - main instrument.
0 to 60 ℃ - probe only.
Operating Humidity Max. 80% RH.
Power Supply 006P DC 9V battery(heavy duty).
Power Current Approx. DC 7.8 mA.
Weight 350 g/0.77 LB
Dimension Main instrument:
180 x 72 x 32 mm
(7.1 x 2.8 x1.3 inch).
Conductivity probe:
Round, 22 mm Dia. x 120 mm.
Accessories Included Instruction manual............1 PC.
Conductivity electrode....... 1 PC.
Carrying Case................... 1 PC.
Optional Accessories * RS232 cable, UPCB-01
* USB cable, USB-01
* Data Acquisition software, SW-U801-WIN
* 1.413 mS calibration solution, CD-14.

ELECTRICAL SPECIFICATIONS (23± 5 ℃)

Function Range Measuring values Resolution Accuracy
Conductivity 200 uS
2 mS
20 mS
0.1 uS to 199.9 uS.
0.2 mS to 1.999 mS.
2 mS to 19.99 mS
0.1 uS
0.001 mS
0.01 mS
± (2 % F.S. + 1 d)
* F.S. - Full scale
Temperature
0 ℃ to 60 ℃
32 ℉ to 140 ℉
0.1 ℃
0.1 ℉
± 0.8 ℃
± 1.5 ℉