Fluke

437 Series II 400 Hz Basic

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Part Number
437 Series II 400 Hz Basic
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Environmental

Electro-Magnetic-Compatibility (EMC)
EN 61326 (2005-12) for emission and immunity
Storage Temperature
-20°C ~ +60°C
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)
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
Interfaces
Mini-USB-B, Isolated USB port for PC connectivity SD card slot accessible behind instrument battery
Operating Temperature
0°C ~ +40°C; +40°C ~ +50°C excl. battery
Warranty
1. ±5% if ≥ 1% of nominal voltage ±0.05% of nominal voltage if < 1% of nominal voltage 2. 50 Hz / 60 Hz nominal frequency according to IEC 61000-4-30 3. 400 Hz measurements are not supported for Flicker, Mains Signaling and Monitor Mode 4. For nominal voltage 50 V to 500 V
Warranty
Three years (parts and labor) on main instrument, one year on accessories

General Specifications

Memory
8 GB 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)
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
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
Real-Time Clock
Time and date stamp for Trend mode, Transient display, System Monitor and event capture