FLUKE - Máy phân tích nguồn 3 pha Fluke 1740 Model: Fluke 1740

FLUKE - Máy phân tích nguồn 3 pha Fluke 1740

Model: Fluke 1740

Hãng sản xuất: FLUKE – MỸ

Tham khảo: http://www.fluke.com/Fluke/vnen/Power-Quality-Tools/Logging-Power-Meters/Fluke-1740-Series.htm?PID=56029

                                  

Tính năng Máy phân tích chất lượng điện năng Fluke 1740:

• Plug and play: Setup in minutes with automatic current probe detection and powering
• Installs inside the cabinet: Compact, fully-insulated housing and accessories fit easily in tight spaces next to live power
• Determines the root cause: Included PQ Log software quickly analyzes trends, creates statistical summaries, and generates detailed graphs and tables
• Monitors power for the long-term: Data can be downloaded during recording without interruption
• Measure voltage with premium accuracy: IEC61000-4-30 Class-A compliant voltage accuracy (0.1%)
• Quickly validate quality of power: Assess power quality according to EN50160 power quality standard with statistical overview
• Rugged and reliable: Designed for everyday field use with no moving parts and durable insulated case with two year warranty

Thông số kỹ thuật Máy phân tích chất lượng điện năng Fluke 1740:

General Data
Intrinsic error	Refers to the reference conditions and is guaranteed for two years
Warranty	2 years
Recalibration interval	2 years recommended
Quality system	developed, designed, and manufactured according to DIN ISO 9001
Reference conditions	23 °C ± 2 K; 74 °F ± 2 K , Vm=230 V ± 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 V ... 265 V AC
Environment conditions	Working temp. range:  -10 °C to 55°C; 14 °F to 131°F Operating temp. range:  0 °C to 35°C; 32 °F to 95°F Storage temp. range:  -20 °C to 60°C; -4 °F to 140°F Reference temp. range:  23 °C ± 2 K; 74 °F ± 2 K Relative humidity:  Fluke 1745: Class B2 acc. IEC 60654-1 Fluke 1744/43: Class C2 acc. IEC 60654-1
Housing	robust, fully insulated housing and accessories
Protection type	Fluke 1745:  IP50 as per EN 60529 Fluke 1744/1743:  IP65 as per EN 60529
Safety	IEC/EN 61010-1 600 V CAT III, 300 V CAT IV, pollution degree 2, double insulation
Type test voltage	5.2 kV rms, 50 Hz / 60 Hz, 5 s
EMC	Emission:  IEC/EN 61326-1, EN55022 Immunity:  IEC/EN 61326-1

Voltage and Current Measurement
Input voltage	Input range VIP-N:  max 480 V AC Input range VIP-P:  max 830 V AC Max. overload voltage:  1.2 VI Input range selection:  By job programming Connections:  P-P or P-N, 1- or 3-phase Nominal voltage VN:  <= 999 kV with PTs and ratio Input resistance:  App. 820 kΩ per chan. Lx-N Single phase (L1 or A, L2 or B, L3 or C connected): app. 300 kΩ Intrinsic uncenrtainty:  0.1 % of VI Voltage transformer:  Ratio: <999 kV / VI Ration selection:  By job programming
Current input with Flexi Set	Input ranges II L1 or A, L2 or B, L3 or C, N:  15 A / 150 A / 1500 A / 3000 A ac Measuring range:  0.75 A … 3000 A ac Intrinsic uncertainty:  < 2 % of II Position influence:  Max. ± 2 % of measured value – for distance conductor to meas. head > 30 mm Stray field influence:  < ± 2 A ac for Iext=500 A ac and distance to measuring head > 200 mm Temperature coefficient:  < 0.05 % / K Current transformer:  Ratio <= 999 kA / II Ratio selection:  By job programming Connection:  3-phase, 3-phase +N, 2 phase L1 or A and L3 or C (2 W-meter-method) 7 pole connector
Current input for clamp	Input ranges II L1 or A,  L2 or B, L3 or C, N:  0.5 V nominal (for II) 1.4 Vpeak Intrinsic uncertainty:  < 0.3 % of II Max. overload:  10 V ac Input resistance:  App. 8.2 kΩ Current transformer:  Ratio Ω 999 kA / II
Power systems	Delta, 2-Element Delta, Wye, Single Phase, Split Single Phase

Logger
Power supply	Functional Range:  88 V to 660 V absolute, 50 Hz / 60 Hz 100 V to 350 V dc Internal fuse: 630 mA T Power consumption:  5 Watts Ride through:  Fluke 1745: Internal battery for typ. > 5 hours ride through with intelligent power management Fluke 1743/44: 3 sec Capacitor Fuse:  Power supply fuse can be replaced in service facility only. Supply can be connected in parallel to measuring inputs (up to 660 V)
Display, indicators	LEDs for status and voltage levels Fluke 1745: LC-display with backlight for voltage, current, active power, phase sequence.
Memory	Capacity 8 MB Flash-EPROM Intervals:  A function > 12000 intervals for > 85 days with 10 min intervals P function > 30000 intervals for > 212 days with 10 min intervals Events:  > 13000 Memory model:  linear, circular
Interface	RS 232, 9600...115 000 Baud, automatic Baud rate selection, 3-wire communication
Dimensions	Fluke 1745:  282 mm x 216 mm x 74 mm (115in x 88in x 33in) Fluke 1743/1744:  170 mm x 125 mm x 55 mm (69in x 51in x 22in)
Weight	Fluke 1745:  approx. 3 kg Fluke 1744/1743:  approx. 2 kg
Measurement	A/D converter:  16 bit, sample rate: 10.24 kHz Anti-aliasing filter:  FIR-Filter, fc =4.9 kHz Frequency response:  Uncertainty < 1 % of Vm for 40 Hz to 2500 Hz Interval length:  1, 3, 5, 10, 30 s, 1, 5, 10, 15, 60 minutes Averaging time for Min/max values:  ½, 1 mains period, 200 ms,1 , 3 , 5 s Time base:  Resolution: 10 ms (at 50 Hz), deviation: 2s/day at 23 °C; 74 °F ± 2 K