Cleaning And Maintenance; Technical Specifications - QJE QJ3003P User Manual

5. Cleaning and Maintenance

1. Disconnect the device from the mains prior to maintenance activities.
2. The power supply cables must not show any damage. Have a qualified technician maintain
the device.
3. Wipe the device regularly with a moist, lint-free cloth. Do not use alcohol or solvents.
4. There are no user-serviceable parts, apart from the fuse. Contact your dealer for spare parts if
necessary.
5. Store the device in a dry, well-ventilated, dust-free room.
Replacing the Fuse
1 Only replace the fuse by a fuse of the same type and rating.
2
Before replacing the fuse, unplug the mains lead.
3 Wedge the fuse holder out of its housing with a flat-head screwdriver.
4 Remove the damaged fuse from its holder and replace with the exact same type of fuse.
5 Insert the fuse holder back in its place and reconnect power.

1.Technical Specifications

input voltage
fuse
output voltage
output current
source effect
load effect
setup resolution
setup accuracy (25°C ± 5°C)
ripple (20Hz-20MHz)
temperature coefficient
read back accuracy
read back temp. coefficient
reaction time (10% rated load) voltage rise: ≤ 100 ms
dimensions
weight
autonomy
QJ3003P QJ3005P
230 V~/ 50 Hz
1.6A/2A /250 V
0-30 V
0-3A/0-5 A
C.V. ≤ 0.01 % + 3 mV
C.C. ≤ 0.1 % + 3 mA
C.V. ≤ 0.01 % + 2 mV
C.C. ≤ 0.1 % + 10 mA
10 mV
1 mA
≤ 0.5 % + 20 mV
≤ 0.5 % + 10 mA
≤ 2 mV rms
≤ 3 mA rms
≤ 100 ppm + 10 mV
≤ 100 ppm + 5 mA
10 mV
1 mA
≤ 100 ppm + 10 mV
≤ 100 ppm + 5 mA
voltage drop: ≤ 100 ms
115 (W) x 190 (H) x 240 (D) mm
QJ3003P: 4Kg QJ3005P:5.3Kg
8 hours of continuous use at maximum load
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