Standard Imaging MAX 4000 PLUS - Features and Specifications

MAX 4000 PLUS ELECTROMETER 16
11 Features and Specifications
Rate Mode Display Ranges:
LOW: 0.001 pA – 1000.0 pA
HIGH: 0.001 nA – 500.0 nA
Charge Mode Display Ranges:
LOW: 0.01 pC – 999,999 nC
HIGH: 0.01 nC – 999,999 nC
Rated Effective Range on
Input Currents Per IEC 60731
for Reference Grade:
0.400 pA – 500.0 nA (± .25% of minimum effective scale
reading)
Range Switching:
User selectable
Display Resolution:
LOW: Rate mode/Charge
mode
HIGH: Rate mode/Charge
mode
0.001 pA / 0.01 pC
0.001 nA / 0.01 nC
Stabilization Time:
± 0.1% of value at 1 hour for measurements taken at 15
minutes and 6 hours
Non-linearity:
± 0.25%
Zero Drift:
Rate mode: ± 0.25% of minimum effective scale reading
(LOW/HIGH: < ± 0.001 pA / < ± 0.001 nA)
Zero Shift:
Rate mode: ± 0.25% of minimum effective scale reading
(LOW/HIGH: < ± 0.001 pA / < ± 0.001 nA)
Charge Leakage Current:
LOW/HIGH: < ± 0.001 pA / < ± 0.001 nA
Response Time:
High range: < 2 seconds, Low range: < 12 seconds
Main Software Functions:
Range Selection
Bias Selection / Battery Level
Rate Display / Bias Level
Charge Display / Bias Level
Rate Display / Charge Display
Charge Collection Modes:
Timed Mode - Selectable timer, available collection times are:
1 to 10 seconds (increments of 1), 15 to 120 seconds
(increments of 15), 180 to 600 seconds (increments of 60).
Continuous Mode (Manual Start/Stop) - Press START/RESET
to begin collection and START/RESET to end
Trigger Mode – current exceeding pre-selected trigger values
starts and stops collection
Countup/Countdown
Resolution:
1 second (count up for Continuous Mode, count down for
Timed Mode)
Trigger Levels for Charge
Collection:
Start:
Start value must be larger than stop value
0.02 - 9.99 pA