HIOKI 32xx/CM32xx Clamp Meter Series
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HIOKI 32xx/CM32xx Clamp Meter Series
- Safe, durable, and reliable mean value/average rectified or true RMS clamp meters for AC or AC/DC.
- Models with "slim jaw" design: Easily clamps within crowded cables.
- Model CM3286: Bluetooth communication with optional or bundled Z3210 adaptor.
Model Overview
| Model | 3280 | 3287 | 3288 | CM3281 | CM3286 | CM3289 | CM3291 |
| Core jaw diameter | ⌀33 mm | ⌀35 mm | ⌀35 mm | ⌀46 mm | ⌀46 mm | ⌀33 mm | ⌀46 mm |
| AC measurement system | MEAN value | True RMS | MEAN value; True RMS (-20) | MEAN value | True RMS | True RMS | True RMS |
| Frequency characteristics | 50/60 Hz | 10 Hz...1 kHz | 10...500 Hz | 50/60 MHz | 45 Hz...1 kHz | 40 Hz...1 kHz | 40 Hz...1 kHz |
| AC current (resolution), guaranteed accuracy range | 1000 A (0.01); 4...1000 A | 100 A (0.01); full display range1) | 1000 A (0.1); full display range1) | 2000 A (0.01); 4...1999 A | 600 A (0.001); 0.06...600 A | 1000 A (0.01); 4...1000 A | 2000 A (0.01); 4...1999 A |
| DC current (resolution) | - | 100 A (0.01) | 1000 A (0.1) | - | - | - | - |
| AC voltag | 600 V | 600 V | 600 V | 600 V | 600 V | 600 V | 600 V |
| DC voltage | 600 V | 600 V | 600 V | 600 V | - | 600 V | 600 V |
| Power | - | - | - | - | 360 kW (AC) | - | - |
| Resistance | 42 MΩ | 42 MΩ | 42 MΩ | 42 MΩ | - | 42 MΩ | 42 MΩ |
| Temperature | - | - | - | - | - | - | - |
| Electrostatic capacity | - | - | - | - | - | - | - |
| Frequency | - | - | - | - | 999.9 Hz | - | - |
| Rush current | - | - | - | - | - | - | - |
| Continuity check | ✓ | ✓ | ✓ | ✓ | - | ✓ | ✓ |
| Diode check | - | - | - | - | - | - | - |
| Non-contact voltage | - | - | - | - | - | - | - |
| Automatic AC/DC detection | - | - | - | - | - | - | - |
| Max/min/avg | - | - | - | - | ✓ | - | - |
| Bluetooth communication | - | - | - | - | ✓ (with Z3210) | - | - |
| Backlight | - | - | - | - | ✓ | - | - |
| Display refresh rate | 2.5 times/s | 2.5 times/s | 2.5 times/s | 2.5 times/s | 2 times/s | 2.5 times/s | 2.5 times/s |
| Safety standard category | V: CAT III 300 V; A: CAT IV 300 V | U: CAT III 300 V I: CAT III 600 V | U: CAT III 300 V I: CAT III 600 V | U: CAT III 300 V I: CAT IV 300 V | CAT IV 600 V; CAT III 1000 V | U: CAT III 300 V I: CAT IV 300 V | U: CAT III 300 V I: CAT IV 300 V |
| Safety standard category with P2000 | - | - | - | - | - | - | - |
| IP rating | IP40 | - | - | - | IP202), IP503) | - | - |
| Power supply | 1x CR2032 coin type | 1x CR2032 coin type | 1x CR2032 coin type | 1x CR2032 coin type | 2x LR03 Alkaline | 1x CR2032 coin type | 1x CR2032 coin type |
| Dimensions (mm) | 57 x 175 x 16; 100 g | 57 x 180 x 16; 170 g | 57 x 180 x 16; 150 g | 57 x 198 x 16; 103 g | 65 x 241 x 35; 450 g | 57 x 181 x 16; 100 g | 57 x 198 x 16;103 g |
1) Displayed 0 with below 0.06.
2) Voltage measurement in a completely dry condition. When jaw closes.
3) While in storage.
Version/Bundle Overview
| Model | Clamp meter for | Current range | Safety | Measurements | Bundle |
| 3280-10F | AC, average rectified | 42...1000 AAC | V: CAT III 300 V; A: CAT IV 300 V | AC A, AC+DC V, resistance and more | - |
| 3280-70F | AC, average rectified | 42...1000 AAC | V: CAT III 300 V; A: CAT IV 300 V | AC A, AC+DC V, resistance and more | CT6280 current sensor (also available individually) |
| 3287 | AC/DC, True RMS | 10/100 A | U: CAT III 300 V, I: CAT III 600 V | Current, voltage, resistance, continuity and more | - |
| 3288 | AC/DC, average rectified | 100/1000 A | U: CAT III 300 V, I: CAT III 600 V | Current, voltage, resistance, continuity and more | - |
| 3288-20 | AC/DC, True RMS | 100/1000 A | U: CAT III 300 V, I: CAT III 600 V | Current, voltage, resistance, continuity and more | - |
| CM3281 | AC/DC, average rectified | 42...2000 AAC | CAT III 600 V | DCV, ACV, resistance; large and slim jaw | - |
| CM3286-50 | AC, True RMS | 600 AAC | CAT IV 600 V, CAT III 1000 V | Power Meter, single- or 3-phase (balanced condition/without distortion), phase angle, power factor | - |
| CM3286-90 | AC, True RMS | 600 AAC | CAT IV 600 V, CAT III 1000 V | Power Meter, single- or 3-phase (balanced condition/without distortion), phase angle, power factor, harmonics analysis | Z3210 wireless dongle |
| CM3289 | AC, True RMS | 42...1000 AAC | CAT III 600 V | AC A, AC+DC V, resistance and more | - |
| CM3291 | AC/DC, True RMS | 42...2000 AAC | CAT III 600 V | DCV, ACV, resistance and more; large and slim jaw | - |
Information on product safety:
Manufacturer:
HIOKI E.E. Corporation, 81 Koizumi Ueda, Nagano 386-1192/JPN
www.hioki.com
(EU branch Germany)
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