WPI EVOM Manual - Specifications

30 World Precision Instruments
SPECIFICATIONS
This unit conforms to the following specications:
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
Certications .................................................................................................................................... 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.