Leírás
| Drive Measurement Details | ||||
|---|---|---|---|---|
| Motor Type | 3 phase asynchronous (induction) | |||
| Power Source | Variable Frequency Drive | |||
| Motor Frequency Range | 40Hz to 70Hz | |||
| Over/Under Voltage from Nominal V/f Curve (%) | -15% to +15% | |||
| Carrier Frequency Range | 2.5kHz–20kHz | |||
| Variable speed drive technology that is covered by the 438-II | ||||
| Inverter Type | VSI only (voltage controlled) * | |||
| Control Method | V/f control, open-loop vector, closed loop vector, drives with encoders. | |||
| Frequency | 40 to 70 Hz | |||
| * VSI drives are the most common drives. The alternative CSI drives are used in higher power applications. | ||||
| Variable speed drive technology NOT covered by the 438-II | ||||
| Inverter Type | CSI (current source inverter) | |||
| Motors type | Synchronous (DC, stepper, permanent magnet etc.) | |||
| Motor Frequency | <40 and >70 Hz | |||
| Mechanical specifications | ||||
| Mechanical measurements can be performed on direct online motors with a 3 wire connection. | ||||
| Motor measurement | ||||
| Range | Resolution | Accuracy | Default limit | |
| Mechanical motor
Power |
0.7 kW to 746 kW
1 hp to 1000 hp |
0.1 kW
0.1 hp |
±3% 1
±3% 1 |
100% = rated power
100% = rated power |
| Torque | 0 Nm to 10 000 Nm
0 lb ft to 10 000 lb ft |
0.1 Nm
0.1 lb ft |
±5% 1
±5% 1 |
100% = rated torque
100% = rated torque |
| rpm | 0 rpm to 3600 rpm | 1 rpm | ±3% 1 | 100% = rated rpm |
| Efficiency | 0% to 100% | 0.10% | ±3% 1 | NA |
| Unbalance (NEMA) | 0% to 100% | 0.10% | ±0.15% | 5% |
| Harmonics Voltage Factor (NEMA) |
0 to 0.20 | 0.1 | ±1.5% | 0.15 |
| Unbalance Derating Factor |
0.7 to 1.0 | 0.1 | indicative | NA |
| Harmonics Derating Factor |
0.7 to 1.0 | 0.1 | indicative | NA |
| Total NEMA Derating Factor |
0.5 to 1.0 | 0.1 | indicative | NA |
| Notes: | Supports motor design types NEMA A, B, C, D & E and IEC type H and N. Rated torque is calculated from rated power and rated speed. Update rate of Motor Measurements is 1x per second. Default Trend duration is 1 week. |
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| 1Add 5% error when selecting Motor design type Other Specification valid for Motor Power > 30% of rated power Specification valid at stable operating temperature. Run the motor for at least 1 hour at full load (2-3 hours if the motor is 50 HP or higher) to obtain stable temperature |
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| Product Specifications | ||||
| Volt | Model | Measurement Range | Resolution | Accuracy |
| Vrms (AC + DC) | 1 V to 1000 V phase to neutral | 0.01 V | ±0.1% of nominal voltage 1 | |
| Vpk | 1 Vpk to 1400 Vpk | 1 V | 5% of nominal voltage | |
| Voltage Crest Factor (CF) | 1.0 > 2.8 | 0.01 | ±5% | |
| Vrms½ | 0.1 V | ±0.2% of nominal voltage | ||
| Vfund | 0.1 V | ±0.1% of nominal voltage | ||
| Amps (AC + DC) | i430-Flex 1x | 5 A to 6000 A | 1 A | ±0.5% ±5 counts |
| i430-Flex 10x | 0.5 A to 600 A | 0.1 A | ±0.5% ±5 counts | |
| 1mV/A 1x | 5 A to 2000 A | 1A | ±0.5% ±5 counts | |
| 1mV/A 10x | 0.5 A A to 200 A (AC only) | 0.1 A | ±0.5% ±5 counts | |
| Apk | i430-Flex | 8400 Apk | 1 Arms | ±5% |
| 1mV/A | 5500 Apk | 1 Arms | ±5% | |
| A Crest Factor (CF) | 1 to 10 | 0.01 | ±5% | |
| Amps½ | i430-Flex 1x | 5 A to 6000 A | 1 A | ±1% ±10 counts |
| i430-Flex 10x | 0.5 A to 600 A | 0.1 A | ±1% ±10 counts | |
| 1mV/A 1x | 5 A to 2000 A | 1 A | ±1% ±10 counts | |
| 1mV/A 10x | 0.5 A A to 200 A (AC only) | 0.1 A | ±1% ±10 counts | |
| Afund | i430-Flex 1x | 5 A to 6000 A | 1 A | ±0.5% ±5 counts |
| i430-Flex 10x | 0.5 A to 600 A | 0.1 A | ±0.5% ±5 counts | |
| 1mV/A 1x | 5 A to 2000 A | 1 A | ±0.5% ±5 counts | |
| 1mV/A 10x | 0.5 A A to 200 A (AC only) | 0.1 A | ±0.5% ±5 counts | |
| Hz | ||||
| Fluke 434 @ 50 Hz Nominal | 42.50 Hz to 57.50 Hz | 0.01 Hz | ±0.01 Hz | |
| Fluke 434 @ 60 Hz Nominal | 51.00 Hz to 69.00 Hz | 0.01 Hz | ±0.01 Hz | |
| Power | ||||
| Watts (VA, var) | i430-Flex | max 6000 MW | 0.1 W to 1 MW | ±1% ±10 counts |
| 1 mV/A | max 2000 MW | 0.1 W to 1 MW | ±1% ±10 counts | |
| Power Factor (Cos j/DPF) | 0 to 1 | 0.001 | ±0.1% @ nominal load conditions | |
| Energy | ||||
| kWh (kVAh, kvarh) | i430-Flex 10x | Depends on clamp scaling and V nominal | ±1% ±10 counts | |
| Energy Loss | i430-Flex 10x | Depends on clamp scaling and V nominal | ±1% ±10 counts Excluding line resistance accuracy | |
| Harmonics | ||||
| Harmonic Order (n) | DC, 1 to 50 Grouping: Harmonic groups according to IEC 61000-4-7 | |||
| Inter-Harmonic Order (n) | OFF, 1 to 50 Grouping: Harmonic and Interharmonic subgroups according to IEC 61000-4-7 | |||
| Volts % | f | 0.0% to 100% | 0.1% | ±0.1% ±n x 0.1% |
| r | 0.0% to 100% | 0.1% | ±0.1% ±n x 0.4% | |
| Absolute | 0.0 to 1000 V | 0.1 V | ±5% 1 | |
| THD | 0.0% to 100% | 0.1% | ±2.5% | |
| Amps % | f | 0.0% to 100% | 0.1% | ±0.1% ±n x 0.1% |
| r | 0.0% to 100% | 0.1% | ±0.1% ±n x 0.4% | |
| Absolute | 0.0 to 600 A | 0.1 A | ±5% ±5 counts | |
| THD | 0.0% to 100% | 0.1% | ±2.5% | |
| Watts % | f or r | 0.0% to 100% | 0.1% | ±n x 2% |
| Absolute | Depends on clamp scaling and V nominal | — | ±5% ±n x 2% ±10 counts | |
| THD | 0.0% to 100% | 0.1% | ±5% | |
| Phase Angle | -360° to +0° | 1° | ±n x 1° | |
| Flicker | ||||
| Plt, Pst, Pst (1 min) Pinst | 0.00 to 20.00 | 0.01 | ±5% | |
| Unbalance | ||||
| Volts % | 0.0% to 20.0% | 0.1% | ±0.1% | |
| Amps % | 0.0% to 20.0% | 0.1% | ±1% | |
| Mains Signaling | ||||
| Threshold Levels | Threshold, limits and signaling duration is programable for two signaling frequencies | — | — | |
| Signaling Frequency | 60 Hz to 3000 Hz | 0.1 Hz | ||
| Relative V % | 0% to 100% | 0.10% | ±0.4% | |
| Absolute V3s (3 second avg.) | 0.0 V to 1000 V | 0.1 V | ±5% of nominal voltage | |
| General Specifications | ||||
| Case | Design Rugged, shock proof with integrated protective holster Drip and dust proof IP51 according to IEC60529 when used in tilt stand position Shock and vibration Shock 30 g, vibration: 3 g sinusoid, random 0.03 g 2 /Hz according to MIL-PRF-28800F Class 2 | |||
| Display | Brightness: 200 cd/m 2 typ. using power adapter, 90 cd/m 2 typical using battery power Size: 127 x 88 mm (153 mm/6.0 in diagonal) LCD Resolution: 320 x 240 pixels Contrast and brightness: user-adjustable, temperature compensated | |||
| Memory | 8GB SD card (SDHC compliant, FAT32 formatted) standard, upto 32 GB optionally Screen save and multiple data memories for storing data including recordings (dependent on memory size) | |||
| Real-Time Clock | Time and date stamp for Trend mode, Transient display, System Monitor and event capture | |||
| Environmental | ||||
| Operating Temperature | 0°C ~ +40°C; +40°C ~ +50°C excl. battery | |||
| Storage Temperature | -20°C ~ +60°C | |||
| Humidity | +10°C ~ +30°C: 95% RH non-condensing +30°C ~ +40°C: 75% RH non-condensing +40°C ~ +50°C: 45% RH non-condensing |
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| Maximum Operating Altitude | Up to 2,000 m (6666 ft) for CAT IV 600 V, CAT III 1000 V Up to 3,000 m (10,000 ft) for CAT III 600 V, CAT II 1000 V Maximum storage altitude 12 km (40,000 ft) |
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| Electro-Magnetic-Compatibility (EMC) | EN 61326 (2005-12) for emission and immunity | |||
| Interfaces | Mini-USB-B, Isolated USB port for PC connectivity SD card slot accessible behind instrument battery | |||
| Warranty | Three years (parts and labor) on main instrument, one year on accessories | |||
