ATLAS ZEN - ZENER DIODE ANALYSER (0 - 50 V)

Features
test Zener diodes, Avalanche diodes, VDRs, TVSs, LED strings and much more (up to 50 V)
measures breakdown voltage (0.00 V to 50.00 V) with a resolution as fine as 20 mV
measures slope resistance (up to 1 kOhm at 15 mA with a 1Ohm resolution)
supports most Zeners, Avalanche diodes and reference diodes from 0 V up to 50 V
great for testing VDRs, TVSs and other types of voltage protection devices
selectable test currents: 2 mA, 5 mA, 10 mA, 15 mA
tiny duty cycle of test current to minimise heating of your component, even when testing at 50 V and 15 mA
single alkaline AAA battery (incl.)
long battery life and regulated test conditions even when the battery voltage is as low as 1.0 V
continuous measurement display (updated 3 times per second)
hold-function to hold displayed values even if component is removed
fitted gold plated crocodile (alligator) clips
comprehensive printed user guide available (English - German - Italian)

Specifications
specification summary at 20-25 °C (68-77 °F) unless otherwise specified
Zener voltage range (Vz): 0.0 V - 50.0 V
nominal test currents (Iz) : 2mA, 5mA, 10mA, 15mA
set test current accuracy: ± 1 % ± 0.2 mA
Zener voltage measurement accuracy: ± 1% ± 40 mV
Zener voltage measurement resolution : 20 mV - 40 mV
test frequency accuracy: -1.5% ... +1.5%
60 V pulsed DC satisfies lower limit of 75 V(DC) for Low Voltage Directive 2006/95/EC
test current into a short circuit (pulsed) : 35 mA
test current duty cycle :
min: 0.1%
max: 5%
typical: 1%
duty cycle of test current designed to keep power dissipation of Zener under test to very low levels
maximum external voltage: ± 50 V
slope resistance measurement range:
Iz = 2 mA: 0-8000 Ohm
Iz = 5 mA: 0-3200 Ohm
Iz = 10 mA: 0-1600 Ohm
Iz = 15 mA: 0-1000 Ohm
displayed slope resistance resolution:
Iz = 2 mA: 5 Ohm
Iz = 5 mA: 2 Ohm
Iz = 10 mA: 1 Ohm
Iz = 15 mA: 1 Ohm
slope resistance measurement accuracy:
Iz = 2 mA: ±1% ±10 Ohm
Iz = 5 mA: ±1% ±4 Ohm
Iz = 10 mA: ±1% ±2 Ohm
Iz = 15 mA: ±1% ±2 Ohm
slope resistance current span: (Iz-50%) to (Iz+50%)
slope resistance measurement method :
differentiation of curve that fits:: (Iz-50%, Vz1), (Iz, Vz2), (Iz+50%, Vz3)
measurement rate: 3 Hz
auto-off period: 60 sec.
battery:
type: 1 x AAA alkaline
voltage range: 0.9 V - 1.6 V
low battery warning: 1.0 V ± 0.05 V
operating temperature: 10-40°C
dimensions (excl. leads): 103 x 70 x 20 mm
weight: 98 g
fundamental materials: plastic, glass and metal