HT instruments HT8100 User Manual
Page 24
HT8100
EN - 23
Generated DC current – Output ramp
Ramp type
Description
Action
Slow linear ramp
Passage from 0%
100% 0% in 40s
Quick linear ramp
Passage from 0%
100% 0% in 20s
Slow step ramp
0%
100% 0% with ramps of 15s
Quick step ramp
0%
100% 0% with ramps of 5s
Output voltage: 32.0VDC: Output voltage accuracy: ±5.0% of reading
Power supply: battery level > 4.5V
External power supply in simulation mode: 6V ÷ 48V
Loop Power (Loop current)
Function Range Accuracy Driver
Protection against
overcharge
LOOP
50.000mA
(0.05%rdg+5dgt)
30V / 1.25k
max 440mA
250
HART
24V / 1k
Output voltage: 32.0VDC: Output voltage accuracy: ±5.0% of reading
Power supply: battery level > 4.5V
Minimum output voltage: 24V
6.1.1. Electrical
characteristics
Conversion: TRMS
Sampling frequency:
10 times per second
Temperature coefficient:
0.1x(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 and 50/60Hz (DCV)
> 60dB from DC and 50/60Hz (ACV)
6.1.2. Considered
standards
Safety: IEC/EN61010-1,
EN61010-2-030
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. 4.5V
Battery life:
approx. 100 hours
Automatic power off:
after 20 minutes (may be disabled)
Fuses:
2x F440mA/1000V, 10kA Bussmann type
Memory
Characteristics:
max 100 locations
Display
Characteristics:
LCD 5 dgt, 50000 dots, decimal sign and point,
autobacklight
Over range indication:
“OL” or “-OL”