FLIR CM57-2 Flexible Clamp Meter (3000 A AC, True RMS)

Measurement & Analysis

AC Current Bandwidth: 45–500 Hz (sine wave)

AC Current Ranges and Resolution: 30.00 A, 300.0 A, 3000 A

AC Response: True RMS

Basic AC current accuracy (of reading): ±3.0% + 5 digits

Display Rate: 2 times per second

Flex Coil Length: 45 cm (18 in)

Flex Coil Tip Diameter: 13 mm (0.5 in)

Inrush CurrentMinimum: 0.5 A, 100 mS

Max Conductor Diameter: 12 cm (4.7 in)

Maximum AC current: 3000 A AC

Maximum resolution: 0.01 A

Measurement Rate: 1.5 samples per second, nominal

Positional Error [distance from optimum]: 35 mm (1.4 in) ±1.0%, 50 mm (2.0 in) ±1.5%, 60 mm (2.4 in) ±2.0%

Communication & Data Storage

Bluetooth range max: 10 m (32 ft)

Data Record Mode: 20,000 points; 1 minute sample rate

Wireless ID# max: Up to 20

User Interface

Display: 3000-count LCD with backlight and multi‐function indicators

Power

Auto Power Off: Approximately 10 minutes

Battery Life: 100 hours with alkaline batteries (calculated)

Battery Type: 2 x 1.5 V AAA

General

Coil Bend Radius: 80 mm (3.1 in)

Coil Diameter: 7.5 mm (0.3 in)

Display Indications: Progressive low battery, over range, hold

Maximum Conductor Diameter: 12 cm (4.7 in)

Size [L × W × H]: 330 mm × 175 mm × 28.45 mm ( 13 in × 6.89 in × 1.12 in)

Weight: 233 g (0.51 lb) with batteries

Worklights: 2x LEDs

Environmental & Certifications

Certifications: UL, CE, FCC, IC, UKCA, CSAUS

Drop test: 3 m (9.8 ft)

IP Rating: IP54 dust-protected and splash-resistant

Operating Altitude: 2000 m (6562 ft) max

Operating Humidity: Maximum 80% up to 35°C (95°F) decreasing linearly to 60% at 45°C (113°F)

Operating Temperature: 0°C to 50°C (32°F to 122°F)

Safety Rating: CAT IV-600 V, CAT III-1000 V

Standards:

Safety (UL): IEC 61010-1:2010, IEC 61010-2-032:2012

EMC (FCC): 47 CFR Part 15 Subpart B

EMC (CE):

EN IEC 61326-1:2021

EN IEC 61326-2-2:2021

EN 301 489-1 V2.2.3 (2019-11)

EN 301 489-17 V3.2.4 (2020-09)

RF:

ETSI EN 300 328 V2.2.2

EN 62479:2010

EN 50663:2017

Storage Humidity: 80% relative humidity (maximum)

Storage Temperature: -20°C to 60°C (-4°F to 140°F) without batteries

Temperature Coefficient: 0.2 × specified accuracy/°C, <64.5°F (18°C), >82.4°F (28°C)

Datasheet