4.1.8 Electrometer
The electrometer Wellhofer as shown in Figure 4.9 was used. The power supply is 100-240 V at frequency of 50/60 Hz. It can display the measured value of dose in Gy, Sv, R, rad, or rem. Measuring modes/range is charge (dose):from40pC to 1.0C at 0.1pC resolution and current (dose rate):from40pA to 1000nA at 0.1pA resolution.The time base for rate is second, minute, hour.The interval time range isfrom1 to 9999 sec. The reference from www.iba -dosimetry.com