Technical Specifications; Characteristics; Safety; General Data - HT Instruments HT78 Manual De Instrucciones

6. TECHNICAL SPECIFICATIONS

6.1. CHARACTERISTICS

Accuracy is indicated as [% rdg + (number of dgt) * resolution] referred to: 23°C(73°F) ±
5°C(41°F); RH< 80%
AC TRMS Current
Range Resolution
300mA 0.1mA
3A 0.001A
30A 0.01A
300A 0.1A
3000A 1A
DC analogical output
Range Resolution
300mA 1mV/1mA
3A 1mV/0.01A
30A 1mV/0.1A
300A 1mV/1A
3000A 1mV/10A
FS = full scale of any range
Internal filter
Type of filter

6.1.1. Safety

Comply with:
Insulation:
Pollution degree:
Max height:
Installation category:

6.1.2. General data

Mechanical characteristics
Size:
Weight (including batteries): 1.9kg (67 ounces)
Max conductor size:
Supply
Batteries type:
Low battery indication:
Battery life:
AutoPowerOFF:
Display
Characteristics:
Sample rate:
Conversion mode:
Over range symbol:
Accuracy
±(1.5%rdg+ 8dgt)
±(2.0%rdg+ 8dgt)
Accuracy
±(1.5% FS)
Low-pass
IEC/EN61010-1, IEC/EN61010-2-032
double insulation
2
2000m (6562 ft)
CAT II 600V, CAT III 300V to the ground
341(L) x 194(W) x 52(H)mm ; 13(L) x 8(W) x 2(H) inch
108mm (4")
2x1.5V alkaline batteries type AAA LR03
" " symbol is displayed when the level is low
approx 200 hours of continuous use
approx 10 minutes of idleness
4 LCD 3200 points plus decimal point, sign and bargraph
2 times/sec
TRMS
"O.L" indication at display
Bandwidht
50 ÷60Hz
Bandwidht
50 ÷60Hz
EN - 13
Max input current
3Arms
30Arms
300Arms
3000Arms
Max input current
3Arms
30Arms
300Arms
3000Arms
Cut-off frequency
150Hz
HT78