Fluke 1736 and 1738 Three-Phase Power Quality Loggers
Specifications: Fluke 1736 and 1738 Three-Phase Power Quality Loggers
| Specifications | |||||
| Accuracy | |||||
| Parameter | Range | Resolution | Intrinsic Accuracy at Reference Conditions (% of Reading +% of Full Scale) | ||
| Voltage | 1000 V | 0.1 V | ±(0.2% + 0.01%) | ||
| Current: Direct input | i17xx-flex 1500 12" | 150 A | 0.1 A | ±(1% + 0.02%) | |
| 1500 A | 1 A | ±(1% + 0.02%) | |||
| i17xx-flex 3000 24" | 300 A | 1 A | ±(1% + 0.03%) | ||
| 3000 A | 10 A | ±(1% + 0.03%) | |||
| i17xx-flex 6000 36" | 600 A | 1 A | ±(1.5% + 0.03%) | ||
| 6000 A | 10 A | ±(1.5% + 0.03%) | |||
| i40s-EL clamp | 4 A | 1 mA | ±(0.7% + 0.02%) | ||
| 40 A | 10 mA | ±(0.7% + 0.02%) | |||
| Frequency | 42.5 Hz to 69 Hz | 0.01 Hz | ±(0.1%) | ||
| Auxillary input | ±10 V dc | 0.1 mV | ±(0.2% + 0.02%) | ||
| Voltage min/max | 1000 V | 0.1 V | ±(1% + 0.1%) | ||
| Current min/max | Defined by accessory | Defined by accessory | ±(5% + 0.2%) | ||
| THD on voltage | 1000% | 0.1% | ±0.5 | ||
| THD on current | 1000% | 0.1% | ±0.5 | ||
| Voltage harmonics 2nd to 50th | 1000 V | 0.1 V | ≥ 10 V: ±5% of reading | ||
| < 10 V: ±0.5V | |||||
| Current harmonics 2nd to 50th | Defined by accessory | Defined by accessory | ≥ 3% of current range: ±5% of reading | ||
| < 3% of current range: ±0.15% of range | |||||
| Unbalance | 100% | 0.1% | ±0.2 | ||
| Intrinsic Uncertainty ±(% of reading +% of range)¹ | |||||
| Parameter | Influence quantity | iFlex1500-12 | iFlex3000-24 | iFlex6000-36 | i40S-EL |
| 150 A / 1500 A | 300 A / 3000 A | 600 A / 6000 A | 4 A / 40 A | ||
| Active Power P | PF ≥ 0.99 | 1.2% + 0.005% | 1.2% + 0.0075% | 1.7% + 0.0075% | 1.2% + 0.005% |
| Active Energy Ea | PF ≥ 0.99 | 1.2% + 0.005% | 1.2% + 0.0075% | 1.7% + 0.0075% | 1.2% + 0.005% |
| Apparent power S | 0 ≤ PF ≤ 1 | 1.2% + 0.005% | 1.2% + 0.0075% | 1.7% + 0.0075% | 1.2% + 0.005% |
| Apparent Energy Eap | 0 ≤ PF ≤ 1 | 1.2% + 0.005% | 1.2% + 0.0075% | 1.7% + 0.0075% | 1.2% + 0.005% |
| Reactive power Q | 0 ≤ PF ≤ 1 | 2.5% of measured apparent power | |||
| Reactive Energy Er | 0 ≤ PF ≤ 1 | 2.5% of measured apparent power | |||
| Power Factor PF | - | ±0.025 | |||
| Displacement Power Factor | - | ±0.025 | |||
| DBF/cosϕ | - | ±0.025 | |||
| Additional uncertainty in% of range¹ | VP-N>250 V | 0.015% | 0.0225% | 0.0225% | 0.015% |
¹Range = 1000 V x Irange
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| Electrical Specifications | |||
| Power Supply | |||
| Voltage range | 100 V to 500 V using safety plug input when powering from the measurement circuit | ||
| 100 V to 240 V using standard power cord (IEC 60320 C7) | |||
| Power consumption | Maximum 50 VA (max. 15 VA when powered using IEC 60320 input) | ||
| Efficiency | ≥ 68.2% (in accordance with energy efficiency regulations) | ||
| Maximum no-load consumption | < 0.3 W only when powered using IEC 60320 input | ||
| Mains power frequency | 50/60 Hz ±15% | ||
| Battery | Li-ion 3.7 V, 9.25 Wh, customer-replaceable | ||
| On-battery runtime | Four hours in standard operating mode, up to 5.5 hours in power saving mode | ||
| Charging time | < 6 hours | ||
| Data Acquisition | |||
| Resolution | 16-bit synchronous sampling | ||
| Sampling frequency | 10.24 kHz at 50/60 Hz, synchronized to mains frequency | ||
| Input signal frequency | 50/60 Hz (42.5 to 69 Hz) | ||
| Circuit types | 1-φ, 1-φ IT, Split phase, 3-φ delta, 3-φ wye, 3-φ wye IT, 3-φ wye balanced, 3-φ Aron/Blondel (2-element delta), 3-φ delta open leg, Currents only (load studies) | ||
| Data storage | Internal flash memory (not user replaceable) | ||
| Memory size | Typical 10 logging sessions of 8 weeks with 1-minute intervals and 500 events¹ | ||
| ¹The number of possible logging sessions and logging period depends on user requirements. | |||
| Basic Interval | |||
| Measured parameters | Voltage, current, aux, frequency, THD V, THD A, power, power factor, fundamental power, DPF, energy | ||
| Averaging interval | User selectable: 1 sec, 5 sec, 10 sec, 30 sec, 1 min, 5 min, 10 min, 15 min, 30 min | ||
| Averaging time min/max values | Voltage, Current: Full cycle RMS updated every half cycle (URMS1/2 according to IEC61000-4-30 Aux, Power: 200ms | ||
| Demand Interval (Energy Meter Mode) | |||
| Measured parameters | Energy (Wh, varh, VAh), PF, maximum demand, cost of energy | ||
| Interval | User selectable: 5 min, 10 min, 15 min, 20 min, 30 min, off | ||
| Power Quality Measurements | |||
| Measured parameter | Voltage, frequency, unbalance, voltage harmonics, THD V, current, harmonics, THD A, TDD | ||
| Averaging interval | 10 min | ||
| Individual harmonics | 2nd to 50th harmonic | ||
| Total harmonic distortion | Calculated on 50 harmonics | ||
| Events | Voltage: dips, swells, interruptions, current: inrush current | ||
| Triggered recordings | Full cycle RMS updated every half cycle of voltage and current (Urms1/2 according to IEC61000-4-30) | ||
| Waveform of voltage and current (1738) | |||
| Standards Compliance | |||
| Harmonics | IEC 61000-4-7: Class 1 | ||
| IEEE 519 (short time harmonics) | |||
| Power quality | IEC 61000-4-30 Class S, IEC62586-1 (PQI-S device) | ||
| Power | IEEE 1459 | ||
| Power quality compliance | EN50160 (for measured parameters) | ||
| Interfaces | |||
| USB-A | File transfer via USB flash drive, firmware updates Max. current: 120 mA | ||
| WiFi | File transfer and remote control via direct connection or WiFi infrastructure | ||
| Bluetooth | Read auxiliary measurement data from Fluke Connect® 3000 series modules (requires 1738 or 1736 upgrade option) | ||
| USB-mini | Data download device to PC | ||
| Voltage Inputs | |||
| Number of inputs | 4 (3 phases and neutral) | ||
| Maximum input voltage | 1000 Vrms, CF 1.7 | ||
| Input impedance | 10 MΩ | ||
| Bandwidth (-3 dB) | 42.5 Hz - 3.5 kHz | ||
| Scaling | 1:1 and variable | ||
| Measurement category | 1000 V CAT III/600 V CAT IV | ||
| Current Inputs | |||
| Number of inputs | 4, mode selected automatically for attached sensor | ||
| Input voltage | Clamp input: 500 mVrms/50 mVrms; CF 2.8 | ||
| Rogowski coil input | 150 mVrms/15 mVrms at 50 Hz, 180 mVrms/18 mVrms at 60 Hz; CF 4; all at nominal probe range | ||
| Range | 1 A to 150 A/10 A to 1500 A with thin flexible current probe i17XX-flex1500 12" | ||
| 3 A to 300 A/30 A to 3000 A with thin flexible current probe i17XX-flex3000 24" | |||
| 6 A to 600 A/60 A to 6000 A with thin flexible current probe i17XX-flex6000 36" | |||
| 40 mA to 4 A/0.4 A to 40 A with 40 A clamp i40s-EL | |||
| Bandwidth (-3 dB) | 42.5 Hz - 3.5 kHz | ||
| Scaling | 1:1 and variable | ||
| Auxiliary Inputs | |||
| Number of inputs | 2 | ||
| Input range | 0 to ±10 V dc, 1reading/s | ||
| Scale factor | Format: mx + b (gain and offset) user configurable | ||
| Displayed units | User configurable (7 characters, for example, °C, psi, or m/s) | ||
| Wireless Connection | |||
| Number of inputs | 2 | ||
| Supported modules | Fluke Connect® 3000 series | ||
| Acquisition | 1 reading/s | ||
| Environmental Specifications | |||
| Operating temperature | -10 °C to +50 °C (14 °F to 122 °F) | ||
| Storage temperature | -20 °C to +60 °C (-4 °F to 140 °F), with battery: -20 °C to +50 °C (-4 °F to 122 °F) | ||
| Operating humidity | 10 °C to 30 °C (50 °F to 86 °F) max. 95% RH | ||
| 30 °C to 40 °C (86 °F to 104 °F) max. 75% RH | |||
| 40 °C to 50 °C (104 °F to 122 °F) max. 45% RH | |||
| Operating altitude | 2000 m (up to 4000 m derate to 1000 V CAT II/600 V CAT III/300 V CAT IV) | ||
| Storage altitude | 12,000m | ||
| Enclosure | IP50 in accordance with EN60529 | ||
| Vibration | MIL-T-28800E, Type 3, Class III, Style B | ||
| Safety | IEC 61010-1 | ||
| IEC Mains Input: Overvoltage Category II, Pollution Degree 2 | |||
| Voltage Terminals: Overvoltage Category IV, Pollution Degree 2 | |||
| IEC 61010-2-031: CAT IV 600 V / CAT III 1000 V | |||
| Electromagnetic compatibility | EN 61326-1: Industrial CISPR 11: Group 1, Class A | ||
| Korea (KCC): Class A Equipment (industrial broadcasting and communication equipment) | |||
| USA (FCC): 47 CFR 15 subpart B. This product is considered an exempt device per clause 15.103 | |||
| Temperature coefficient | 0.1 x accuracy specification/°C | ||
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