HTFS200-P_12 Datasheet, PDF (1/3 Pages) LEM – Current Transducer

Current Transducer HTFS 200..800-P
For the electronic measurement of currents : DC, AC, pulsed, mixed,
with galvanic isolation between the primary circuit (high power)
and the secondary circuit (electronic circuit).
I_PN = 200-400-600-800 A
Electrical data
All Data are given with a R_L = 10 kΩ
Primary nominal
Primary current
Type
current rms
measuring range
I_PN (A)I_PM (A)
200
± 300
HTFS 200-P
400
± 600
HTFS 400-P
600
± 900
HTFS 600-P
800
± 1200
HTFS 800-P
V_OUT
V_REF
Output voltage (Analog) @ I_P
I_P = 0
Reference voltage¹⁾ - Output voltage
V_REF Output impedance

V_REF Load impedance
R _L Load resistance
R_OUT Output internal resistance
C _L Capacitive loading
V_C
Supply voltage (± 5 %)
I_C
Current consumption @ V_C = 5 V
V_REF ± (1.25ŋI_P/ I_PN) V
V_REF ± 0.025
V
1/2V_C ± 0.025
V
typ. 200
Ω
≥ 200
kW
≥2
kΩ
< 10
Ω
<1
µF
5
V
22
mA
Accuracy - Dynamic performance data
X
ε
L
Accuracy ²⁾ @ I_PN, T_A = 25˃C
Linearity error (0 .. 1.5 x I_PN)
TCV_OE Temperature coefficient of V_OE @ I_P = 0
TCV_REF Temperature coefficient of V_REF
TCV_OUT/ V_REF Temperature coefficient of V_OUT / V_REF @ I_P = 0
TCV_OUT Temperature coefficient of V_OUT
V_OM Magnetic offset voltage @ I_P = 0,
after an overload of 3 x I_{PN DC}
t_ra
Reaction time @ 10 % of I_PN
t_r
Response time to 90 % of I_PN step
di/dt di/dt accurately followed
V_no Output voltage noise
(DC ..10 kHz)
B W Frequency
bandwidth
(-
3
(DC
dB) ³⁾
..
1 MHz)
≤±1
≤ ± 0.5
≤ ± 0.3
% of I_PN
% of I_PN
mV/K
≤ ± 0.01
%/K
≤ ± 0.2
mV/K
≤ ± 0.05 % of reading/K
< ± 0.5
<3
< 7
> 100
< 15
< 40
DC .. 50
% of I_PN
µs
µs
A/µs
mVpp
mVpp
kHz
General data
T_A
Ambient operating temperature
T_S
Ambient storage temperature
m
Mass
Standard
- 40 .. + 105 °C
- 40 .. + 105 °C
60
g
EN 50178: 1997
Features
• Hall effect measuring principle
• Galvanic isolation between primary
and secondary circuit
• Low power consumption
• Single power supply +5V
• Ratiometric offset
• T_A = -40..+105 °C
• Fixation by M3 nuts and screws
• Isolated plastic case recognized
according to UL 94-V0.
Advantages
• Small size and space saving
• Only one design for wide current
ratings range
• High immunity to external
interference.
• V_REF. IN/OUT.
Applications
• Forklift drives
• AC variable speed drives
• Static converters for DC motor
drives
• Battery supplied applications
• Uninterruptible Power Supplies
(UPS)
• Switched Mode Power Supplies
(SMPS)
• Power supplies for welding
applications.
Application domain
Notes : ¹⁾ It is possible to overdrive V_REF with an external reference voltage
• Industrial.
between 2 - 2.8 V providing its ability to sink or source approx. 2.5 mA.
2) _{Excluding offset and Magnetic offset voltage.}
3) _{Small signal only to avoid excessive heatings of the magnetic core.}
120201/9
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice.
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