dc-potential range

± 3.000V

± 4.000V

compliance voltage

± 5V

± 8V

dc-potential resolution

0.1 mV

0.125 mV

applied dc-potential accuracy

0.2 % 
with max. 2 mV offset error

≤ 0.3 %
with max. mV offset error

current ranges

1 nA ~ 10 mA (8 ranges)

1 nA ~ 100 mA (9 ranges)

maximum current

± 20 mA typical 
and ± 15 mA minimum

± 100 mA typical

current resolution

0.1 % of current range, 1 pA at lowest current range

current accuracy (deviation)

≤ 1 % of current range at 1 nA 
≤ 0.5 % at 10 nA 
≤ 0.2 % at 100 nA to 100 uA 
≤ 0.5 % at 1 mA, 10 mA and 100 mA 
all with max. 0.2 % offset error

electrometer amplifier input     

 > 100 Gohm // 4 pF

rise time    

approx. 100 μs

sensor connection

shielded cable with circular connector for
WE, RE, CE and Sense (EmStat3+ only)

EmStat Blue model

housing

anodized aluminium: 6.7 x 5.0 x 2.8 cm

weight

250 g

power supply

USB 
5 V, min. 130 mA (ES3) or 500 mA (ES3+)

Battery time

> 8 hours with cell off
> 6 hours with continuous cell on 1 uA current
full charge takes approx. 3 hours

communication

mini USB or Bluetooth

auxiliary port present

yes

external I/O options

analog: 1 input 1 output channel
(both 0 V – 4.096 V)
digital: 1 input, 4 output lines
(maximum rating: -0.3 V to 5.3 V)

크기

6.7 x 5.0 x 2.8 cm

10.0 x 6.0 x 3.4 cm

무게

85 g

250 g

내장배터리 유/무

없음

있음

통신

USB

USB + Bluetooth

보조 포트

없음

있음

센서 커넥터

LEMO

LEMO + SPE