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Model 1745 Three-Phase Power
Quality Logger - Specifications |
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Intrinsic Error
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Refers to the reference
conditions and is guaranteed for two years. |
| Warranty |
Two years |
| Recalibration Interval |
Two years recommended |
Quality System
|
Developed, designed, and
manufactured according to DIN ISO 9001. |
Reference Conditions
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23°C
2K; 74°F ±2K, Vm=230V ±10%,
50 Hz ±0.1 Hz or 60 Hz ±0.1 Hz |
| Phase
Sequence: |
L1, L2, L3 |
| Interval length: |
10 minutes |
| Wye
connection: |
(l1, L2,
L3 to N) |
| Power
supply: |
88 volts
to 265 volts AC |
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| Environmental Condition
Ranges |
| Working
Temperature: |
-10°C
to 55°C; 14°F
to 131°F |
| Operating
Temperature: |
0°C
to 35°C; 32°F
to 95°F |
| Storage
Temperature: |
-20°C
to 60°C; -4°F
to 140°F |
| Reference
Temperature: |
23°C
±2K; 74°F ±2K |
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Relative Humidity |
| Model 1743: |
Class C2 acc. IEC 60654-1 |
| Model 1744: |
Class C2 acc. IEC 60654-1 |
| Model 1745: |
Class B2 acc. IEC 60654-1 |
| Housing |
Robust, fully insulated
housing and accessories |
| Protection
Type |
| Model 1743: |
IP65 as per EN 60529 |
| Model 1744: |
IP65 as per EN 60529 |
| Model 1745: |
IP50 as per EN 60529 |
Safety
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IEC/EN 61010-1 600V CAT III,
300V CAT IV,
pollution degree 2, double insulated |
| Type Test Voltage |
5.2 kV rms, 50 Hz/60Hz, 5
sec |
EMC
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| Emission: |
IEC/EN
61326-1, EN 55022 |
| Immunity: |
IEC/EN
61326-1 |
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Input Voltage |
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Input
range VIP-N: |
maximum
480 V AC |
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Input
range VIP-P: |
maximum
830 V AC |
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Max.
overload voltage: |
1.2 VI |
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Input
range selection: |
by job
programming |
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Connections: |
P-P or
P-N, 1- or 3-phase |
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Nominal voltage VN: |
less than
or equal to 999 kV with PTs and ratio |
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Input
resistance:
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approx.
820 KΩ per channel Lx-N
single-phase (L1 or A, L2 or B, L3 or C connected) approx.
300 KΩ |
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Intrinsic uncertainty: |
0.1% of VI |
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Voltage transformer: |
ratio:
<999 kV/V |
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Ration
selection: |
by job
programming |
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Current Input with Flexi Set |
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Input
ranges II L1 or A, L2 or B, L3 or CN: |
15A /150A
/ 1500A / 3000A AC
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Measuring Range: |
0.75A to
3000A AC |
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Intrinsic uncertainty: |
<2% of II |
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Position influence:
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maximum
±2% of measured value - for distance conductor to
measurement head >30mm |
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Stray
field influence:
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< ±2A AC
for Iext=500A AC and distance to measuring head >200mm |
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Temperature coefficient: |
<0.05%/k |
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Current transformer: |
ratio less
than or equal to 999 kA/II |
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Ratio
selection: |
by job
programming |
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Connection:
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3-phase,
3-phase +N, 2-phase L1 or A and L3 or C (2
Wire-meter-method) 7 pole connector |
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Current Input for Clamp |
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Input
ranges II L1 or A,
L2 or B, L3 or C, N: |
0.5V
nominal (for II) 1.4V peak
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Intrinsic uncertainty: |
<3% of II |
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Maximum overload: |
10V AC |
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Input
resistance: |
Approx.
8.2KΩ |
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Current transformer: |
ratioΩ
999kA/II |
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| Power Systems |
Delta, 2-Element
Delta, Wye, Single-Phase, Split Single-Phase |
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Power Supply |
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Functional range:
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Power
consumption: |
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Ride
through model 1743: |
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Ride
through model 1744: |
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Ride
Through model 1745:
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Fuse:
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88V to
660V absolute, 50Hz/60Hz
100V to 350V DC internal fuse 630mA T |
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5 watts |
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3 second
capacitor |
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3 second
capacitor |
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Internal
battery for typical > 5 hours ride through with intelligent
power management |
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Power
supply fuse can be replaced in service facility only.
Supply can be connected in parallel to measuring inputs (up
to 660V) |
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Display Indicators
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LED's for status
and voltage levels
Fluke model 1745: LC-display with backlight for voltage, current,
active power, phase sequence |
| Memory |
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Intervals:
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Events: |
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Memory
model: |
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Capacity 8
MB Flash-EPROM |
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A function
>12000 intervals for >85 days with 10 minute intervals.
P function >30000 intervals for >212 days with 10 minute
intervals. |
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>13000 |
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linear,
circular |
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Interface
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RS232, 9600
...115000 baud, automatic baud rate selection, 3-wire
communication |
| Measurement |
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A/D
converter: |
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Anti-aliasing filter: |
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Frequency response: |
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Interval length: |
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Averaging time for Min/Max values:
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Time base |
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Resolution: |
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Deviation: |
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16 bit,
sample rate: 10.24 kHz |
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FIR-Filter, fc=4.9 kHz |
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uncertainty <1 % of Vm for 40 Hz to 2500 Hz |
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1, 3, 5,
10, 30s, 1, 5,10, 15, 60 minutes |
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1/2, 1
mains period, 200 ms, 1, 3, 5 seconds
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10ms (at
50Hz) |
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2s/day at
23°C (74°F)
±2K |
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Dimensions |
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Model
1743:
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Model
1744:
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Model
1745:
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170mm (H)
x 125mm (W) x 55mm (D)
69" (H) x 51" (W) x 22" (D) |
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170mm (H)
x 125mm (W) x 55mm (D)
69" (H) x 51" (W) x 22" (D) |
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282mm (H)
x 216mm (W) x 74mm (D)
115" (H) x 88" (W) x 33" (D) |
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Weight |
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Model
1743: |
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Model
1744: |
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Model
1745 |
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