Hãng sản xuất: FLUKE
Model: 1745
Xuất xứ: USA
Bảo hành: 12 tháng
Thông số kỹ thuật:
| General Data | |
| Intrinsic error Refers to the reference conditions and is guaranteed for two years | Intrinsic error Refers to the reference conditions and is guaranteed for two years |
| Warranty 2 years | Warranty 2 years |
| Recalibration interval 2 years recommended | Recalibration interval 2 years recommended |
| Quality system developed, designed, and manufactured according to DIN ISO 9001 | 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 | 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 | Phase sequence: L1, L2, L3 |
| Interval length: 10 minutes | Interval length: 10 minutes |
| Wye connection: (L1, L2, L3 to N) | Wye connection: (L1, L2, L3 to N) |
| Power supply: 88 V … 265 V AC | Power supply: 88 V … 265 V AC |
| Environment conditions | |
| Working temperature range: -10 °C to 55°C; 14 °F to 131°F | Working temperature range: -10 °C to 55°C; 14 °F to 131°F |
| Operating temperature range: 0 °C to 35°C; 32 °F to 95°F | Operating temperature range: 0 °C to 35°C; 32 °F to 95°F |
| Storage temperature range: -20 °C to 60°C; -4 °F to 140°F | Storage temperature range: -20 °C to 60°C; -4 °F to 140°F |
| Reference temperature range: 23 °C ± 2 K; 74 °F ± 2 K | Reference temperature range: 23 °C ± 2 K; 74 °F ± 2 K |
| Relative humidity: Fluke 1745: Class B2 acc. IEC 60654-1 | Relative humidity: Fluke 1745: Class B2 acc. IEC 60654-1 |
| Fluke 1744/43: Class C2 acc. IEC 60654-1 | Fluke 1744/43: Class C2 acc. IEC 60654-1 |
| Housing robust, fully insulated housing and accessories | |
| Protection type | Protection type |
| Fluke 1745: IP50 as per EN 60529 | Fluke 1745: IP50 as per EN 60529 |
| Fluke 1744/1743: IP65 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 | 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 | EMC |
| Emission: IEC/EN 61326-1, EN55022 | Emission: IEC/EN 61326-1, EN55022 |
| Immunity: IEC/EN 61326-1 | |
| Voltage and Current Measurement | |
| Input voltage | Input voltage |
| Input range VI P-N: max 480 V AC | Input range VI P-N: max 480 V AC |
| Input range VI P-P: max 830 V AC | Input range VI P-P: max 830 V AC |
| Max. overload voltage: 1.2 VI | Max. overload voltage: 1.2 VI |
| Input range selection: By job programming | Input range selection: By job programming |
| Connections: P-P or P-N, 1- or 3-phase | Connections: P-P or P-N, 1- or 3-phase |
| Nominal voltage VN: <= 999 kV with PTs and ratio | 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 | 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 | Intrinsic uncenrtainty: 0.1 % of VI |
| Voltage transformer: Ratio: <999 kV / VI | Voltage transformer: Ratio: <999 kV / VI |
| Ration selection: By job programming | |
| Current input with Flexi Set | 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 | 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 | Measuring range: 0.75 A … 3000 A ac |
| Position influence: Max. ± 2 % of measured value – for distance conductor to meas. head > 30 mm | 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 | Stray field influence: < ± 2 A ac for Iext=500 A ac and distance to measuring head > 200 mm |
| Temperature coefficient: < 0.05 % / K | Temperature coefficient: < 0.05 % / K |
| Current transformer: Ratio <= 999 kA / II | Current transformer: Ratio <= 999 kA / II |
| Ratio selection: By job programming | 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 | 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 | 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 | Intrinsic uncertainty: < 0.3 % of II |
| Max. overload: 10 V ac | Max. overload: 10 V ac |
| Input resistance: App. 8.2 kΩ | Input resistance: App. 8.2 kΩ |
| Current transformer: Ratio Ω 999 kA / II | Current transformer: Ratio Ω 999 kA / II |
| Power systems Delta, 2-Element Delta, Wye, Single Phase, Split Single Phase | |
| Logger | |
| Power supply | Power supply |
| Functional Range: 88 V to 660 V absolute, 50 Hz / 60 Hz | Functional Range: 88 V to 660 V absolute, 50 Hz / 60 Hz |
| 100 V to 350 V dc Internal fuse: 630 mA T | 100 V to 350 V dc Internal fuse: 630 mA T |
| Power consumption: 5 Watts | Power consumption: 5 Watts |
| Ride through: Fluke 1745: Internal battery for typ. > 5 hours ride through with intelligent power management | 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) | 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 | Display, indicators LEDs for status and voltage levels |
| Fluke 1745: LC-display with backlight for voltage, current, active power, phase sequence. | Fluke 1745: LC-display with backlight for voltage, current, active power, phase sequence. |
| Memory | Memory |
| Intervals: Capacity 8 MB Flash-EPROM | |
| A function > 12000 intervals for > 85 days with 10 min intervals | A function > 12000 intervals for > 85 days with 10 min intervals |
| P function > 30000 intervals for > 212 days with 10 min intervals | P function > 30000 intervals for > 212 days with 10 min intervals |
| Events: > 13000 | |
| Memory model: linear, circular | Memory model: linear, circular |
| Interface RS 232, 9600…115 000 Baud, automatic Baud rate selection, 3-wire communication | 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 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) | Fluke 1743/1744: 170 mm x 125 mm x 55 mm (69in x 51in x 22in) |
| Weight | Weight |
| Fluke 1745: approx. 3 kg | Fluke 1745: approx. 3 kg |
| Fluke 1743/1744: approx. 2 kg | Fluke 1743/1744: approx. 2 kg |
| Measurement | Measurement |
Bộ Datalogger công suất 3 pha Fluke 1745: Là công tơ điện hàng ngày cho các kỹ thuật viên khắc phục sự cố và phân tích các vấn đề về chất lượng điện. Có khả năng ghi đồng thời lên đến 500 thông số công suất lên đến 85 ngày và theo dõi các sự kiện, các logger điện này giúp phát hiện các vấn đề về chất lượng điện liên tục và khó tìm. Phần mềm PQ Log đi kèm nhanh chóng đánh giá chất lượng điện tại lối vào dịch vụ, trạm biến áp hoặc tại tải, theo tiêu chuẩn EN50160 mới nhất.
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