Lutron ET-3000: Earth Resistance Tester

Description

The Lutron ET3000 has a manual power on/off or auto power off within two minutes after power on.It also has a built in over input indication. It comes with a durable and portable housing plastic case with the front protection cover. Data hold function to freeze the display reading value.
FEATURES
Earth Resistance and Earth Voltage
measurement.
Earth Resistance : 19.99/199.9/1999 ohm.
3 ranges for earth resistance
measurement 19.99 ohm, 199.9 ohm,
1.999 K ohm.
0 to 199.9 V for earth voltage
measurement.
18 mm, large size LCD display.
Data hold.
Built-in over input indication.
Durable & portable housing plastic
case with the front protective cover.
Complete testing accessories included.
Power supply : 1.5 V UM3 (AA) x 6 PCs.
Size : 160 x 120 x 85 mm.
Circuit
Cusomone-chip of microcomputer LSI circuit
Display
*13mm (0.5″) Super large LCD
*Dual function meter’s display
Sensor Structure
Air velocity & Air Flow: Tiny glass bead thermistor
Air temperature: Thermistor
Memory
Maximum & minumum value
Sampling Time
Approx 1 second
Data output
RS232 PC series interface
Operating temperature
0 to 50 ℃
Operating Humidity
Less than 80% R.H.
Weight
515 g / 1.13LB @ Battery is included
Dimension
Telescope Probe: Round, 12mmDia x 280mm (min. length)
Accessories Included
Instruction manual……………….1 PC
Telescope Probe………………..………1 PC
Carrying case…………………..……1 PC
Optional Accessories
Type K thermocouple probe
AC to DC 9V adapter
RS232 cable: UPCB-02
Data Acquisition software,SW-U801-WIN
Data Hold
Freeze the display reading
Power Supply
DC 1.5V battery(UM3) x 4 pcs (Heavy duty type),
DC9V adapter input @AC/DC power adapter is optional