MAX 4000 Electrometer
REF 90015
MAX 4000 Electrometer Specifications
REF Number 90015
Height 7 cm (2.75 in)
Width 22.2 cm (8.24 in)
Length 23 cm (9 in)
Weight 1.4 kg (3.0 lbs)
Three Modes RATE:
Low Range 0.001 pA – 1000.00 pA, 1 fA resolution
High Range 0.001 nA – 500.00 nA, 1 pA resolution

CHARGE:
Low Range 0.01 pC – 999,999 nC, 10 fC resolution
High Range 0.01 nC – 999,999 nC, 10 pC resolution

COMBINED:
Accumulated charge and the current readings are displayed simultaneously
Charge Collections TRIGGER:
Automatic start, stop, and reset based on user defined thresholds
(Start: 0.02 – 9.99 pA; Stop: 0.01 – 9.98 pA)

TIMED:
User set duration (Range: 0 – 600 sec;
Increment: 15 sec; Resolution: 1 sec)

MAX RUN:
Unlimited duration with manual stop
Range Switching User selectable - High or Low
Repeatability SHORT TERM:
± 0.1% ± 1 count

LONG TERM:
± 0.2% (maximum change over two years)

SIGNAL SETTLING TIME (typical):
Low Range: 12 sec; High Range: 3 sec
Linearity ± 0.06% typical for all rate and charge settings
Zero Drift < 1 fA @ STP
Display Backlit LCD, 2 x 20 with 5/16" characters
Input BNC two lug, triaxial connector
Bias Voltage Nominal ± 450 volt bias

5 USER BIAS SETTINGS:
-450, - 300, - 150, 0; 150, 300, 450 (VDC)

ACCURACY:
± 0.3 volt
Zeroing Automatic zero function, user activated
Output Isolated RS-232; bidirectional 19,200 baud rate; 8 data bits; no parity; 1 stop bit; compatible with Argus QC4 software
Power 100-240 VAC, 0.5 A max, 50/60 Hz input to external power supply, 9 VDC, 1.7 A power supply output to electrometer input, UL/TUL listed power supply; internal battery: 8 hrs per charge
Product Standards CE 93/42/EEC

Specifications subject to change without notice.

MAX 4000 Electrometer Specifications