HT instruments HT701 User Manual
Page 24
HT701
EN - 23
6.1.1. Electrical
characteristics
Conversion: TRMS
Sampling frequency:
3 times per second
Temperature coefficient:
0.15x(accuracy) /°C, <18°C or >28°C
NMRR Normal Mode Rejection Ratio:
> 50dB for DC quantities and 50/60Hz
CMRR Common Mode Rejection Ratio:
>100dB from DC up to 60Hz (DCV)
> 60dB from DC, up to 60Hz (ACV)
6.1.2. Considered
standards
Safety: IEC/EN
61010-1
IEC/EN61557-1,
IEC/EN61557-2
Insulation:
double insulation
Pollution level:
2
Overvoltage category:
CAT IV 600V, CAT III 1000V
Max operating altitude:
2000m (6561ft)
6.1.3. General
characteristics
Mechanical characteristics
Size (with shell):
207 (L) x 95 (W) x 52 (H) mm (8 x 4 x 2 inch)
Weight (batteries included):
630g (22 ounces)
Power supply
Battery type:
4 x 1.5V alkaline type AA IEC LR6
Low battery indication:
symbol “ ” with battery voltage < approx. 4.8V
Battery life:
approx. 80 hours
600 insulation test with new batteries at room
temperature (1M
@ 1kV, duty cycle of 5s on
and 25s off)
Auto Power Off
after 20 minutes of idleness (disabled)
Memory
Characteristics:
max. 100 locations for each function
Display
Characteristics:
5 LCD, 10000 points, decimal sign, analogue
bargraph and autobacklight
Over range indication:
“OL” or “-OL”
6.2. ENVIRONMENT
6.2.1. Environmental conditions for use
Reference temperature:
23° ± 5°C (73 ± 41°F)
Operating temperature:
0° ÷ 50°C (32° ÷ 122°F)
Allowable relative humidity:
<80%RH
Storage temperature:
-20° ÷ 60°C (-4 ÷ 140°F) (batteries not fitted)
Storage humidity:
<80%RH (batteries not fitted)
This instrument satisfies the requirements of Low Voltage Directive 2006/95/EC
(LVD) and of EMC Directive 2004/108/EC