HT instruments HT326 - Manual (Page 19)

HT326
EN - 18
Diode Test
Feature
Direct
voltage
Accuracy
Max Open Circuit
Voltage
Overload
protection
0 – 1.000V
(0.5%rdg + 3dgt)
1.5V
600V DC/AC rms
<30sec
Continuity test
Feature Buzzer
Test
current
Max Open Circuit
Voltage
Overload
protection
<140

about 1mA about 0.5V
600V DC/AC rms
<30sec
Frequency (Autorange)
Range Resolution Accuracy Overload protection
99.99Hz 0.01Hz
(1.5%rdg + 5dgt)
600V DC/AC rms <30sec
999.9Hz 0.1Hz
9.999kHz 1Hz
99.99kHz 10Hz
Note: Never exceed voltage limits listed below.
Duty cycle (Autorange)
Range Resolution Accuracy Overload protection
20 - 80% 0.1%
(1.0%rdg + 5dgt)
600VDC/ACrms <30sec
Note: Never exceed voltage limits listed below.
Sensitivity for Frequency and Duty Cycle
Working voltage Frequency
V
MIN
 1.5Vp-p
0 – 400Hz
V
MAX
 400Vrms
V
MIN
 1.5Vp-p
400 – 900Hz
V
MAX
 10Vp-p
V
MIN
 3.0Vp-p
900Hz – 100kHz
V
MAX
 10Vp-p
Capacitance (Autorange)
Range Resolution Accuracy Overload protection
5nF 0.001nF
(5.0%rdg + 25dgt)
50nF 0.01nF
(3.0%rdg + 5dgt)
600VDC/ACrms <30sec
500nF 0.1nF
5
F
0.001
F
50
F
0.01
F
100
F 0.1F(30s) (5.0%rdg + 10dgt)