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1740 Series 3-Phase Power Quality
Logger - Specifications |
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General Specifications |
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Intrinsic Error |
Refers to the reference conditions and is guaranteed
for two years. |
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Warranty |
Two years |
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Recalibration Interval |
Two years recommended |
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Quality System
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Developed, designed, and manufactured according to
DIN ISO 9001. |
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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 |
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Phase Sequence: |
L1, L2, L3 |
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Interval length: |
10 minutes |
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Wye connection: |
(l1, L2, L3 to N) |
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Power supply: |
88 volts to 265 volts AC |
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Environmental Condition Ranges |
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Working Temperature |
-10°C to 55°C;
14°F to 131°F |
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Operating Temperature |
0°C to 35°C;
32°F to 95°F |
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Storage Temperature |
-20°C to 60°C;
-4°F to 140°F |
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Reference Temperature |
23°C ±2K; 74°F
±2K |
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Relative Humidity |
Class C2 acc. IEC 60654-1 (Model 1743) |
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Class C2 acc. IEC 60654-1 (Model 1744) |
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Class B2 acc. IEC 60654-1 (Model 1745) |
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Housing |
Robust, fully insulated housing and accessories |
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Protection Type |
IP65 as per EN 60529 (Model 1743) |
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IP65 as per EN 60529 (Model 1744) |
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IP50 as per EN 60529 (Model 1745) |
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Safety
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IEC/EN 61010-1 600V CAT III, 300V CAT IV,
pollution degree 2, double insulated |
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Type Test Voltage |
5.2 kV rms, 50 Hz/60Hz, 5 sec |
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EMC
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Emission: |
IEC/EN 61326-1, EN 55022 |
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Immunity: |
IEC/EN 61326-1 |
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Voltage and Current Measurements |
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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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Mechanical and General Specifications |
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Power
Supply 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 |
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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 |
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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 |
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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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