40 World Precision Instruments
SPECIFICATIONS
This unit conforms to the following specications:
Tissue Sampling Frequency
................................................................................................12.5 Hz
Sample Averaging
.......................................................................... 20 samples running average
Resistance Ranges
..................................................................................................... 0 to 10,000 Ω
........................................................................................................................................ 0 to 50,000 Ω
.............................................................................................................................0 to 100,000 Ω +5%
Auto Mode
....................................................1 to 100,000 Ω auto current 2 μA, 4 μA, 10 μA
Resistance Resolution
................................................ 0.1 Ω (under 200 Ω); 1 Ω (over 200 Ω)
Resistance Accuracy
........................................... 0.1 Ω (under 200 Ω), 1 Ω (over 200 Ω) 0.1%
.......................................................................................................... 100,000 Ω ± 2 μA (to 105 KΩ)
Voltage Resolution..................................................................................................0.001 V, 0.1 mV
Accuracy Resistance
...............................................................0.1 Ω (200 Ω); 1 Ω (above 200 Ω)
Accuracy Voltage
..................................................................................................................± 0.1 mV
Current Levels
...................................................................................................... 10,000 Ω ±10 µA
........................................................................................................50,000 Ω ± 4 µA
..................................................................................................... 100,000 Ω ± 2 µA
............................................. Auto mode 1 to 100,000 Ω auto current 2 µA, 4
Display Update Rate
.....................................................................................................0.5 seconds
Battery
....................................................................................................... 3.7V Li-ion 2500 mAh**
Charging Period ........................................................5.5 hours (power o); 8 hours (run time)
Charge Current
.....................................................................................................................200 mA
Power Consumption
......................................................................................................... ~250 mA
Certications
.................................................................................................................................... CE
Firmware
..................................................................................................................... Upgradeable*
*NOTE: A USB to Mini-B cable (WPI #803026) is required along with PC bootloader
software and the image are required to upgrade the rmware.
**Not user serviceable. Contact WPI for repair or replacement.