| 規格： | |
| 交流瓦特AC Watt (50 or 60 Hz, PF 0.5 to 1. CT = 1) Model 21 (0 to 50A), Model 23 (0 to 100A) | | 范圍 | 分辨率 | 讀值準確度 21 (0 - 30A) 讀值準確度 23 (0 - 60A) | 讀值準確度 21 (30 - 50A) 讀值準確度 23 (60 - 100A) | | 0.000 – 9.999 W | 0.001 W | ±1% ± 0.02 W | ±2% of VA ± 5dgts | | 10.00 – 99.99 W | 0.01 W | ±1% ± 0.2 W | ±2% of VA ± 5dgts | | 100.0 – 999.9 W | 0.1 W | ±1% ± 0.2 W | ±2% of VA ± 5dgts | | 1.000 – 9.999 KW | 0.001 KW | ±1% ± 0.02 KW | ±2% of VA ± 5dgts | | 10.00 – 99.99 KW | 0.01 KW | ±1% ± 0.2 KW | ±2% of VA ± 5dgts | | 100.0 – 999.9 KW | 0.1 KW | ±1% ± 0.2 KW | ±2% of VA ± 5dgts | | 1000 – 9999 KW | 1 KW | ±1% ± 2 KW | ±2% of VA ± 5dgts | |
| 交流電流 AC Current (50 or 60 Hz, True RMS) | | 范圍 (Model 19,21) | 范圍 (Model 23) | 分辨率 | 讀值準確度 | | 0.30 – 60.00mA | 0.30 – 60.00mA | 0.01mA | ±0.5% ± 5dgts | | 60.0 – 600.0mA | 60.0 – 600.0mA | 0.1mA | ±0.5% ± 5dgts | | 0.030 – 3.000 A | 0.030 – 9.999 A | 0.001 A | ±0.5% ± 5dgts | | 3.00 – 30.00 A | 10.00 – 60.00 A | 0.01 A | ±0.5% ± 5dgts | | 30.00 – 50.00 A | 6 0.00 – 99.99 A | 0.01 A | ±1.0% ± 5dgts | |
| 交流電壓 AC Voltage (50 or 60 Hz, True RMS) | | 范圍 | 分辨率 | 讀值準確度 | 范圍 | 分辨率 | 讀值準確度 | | 3V – 250V | 0.1 V | ±0.5% ± 5dgts | 250V – 600V | 0.1 V | ±0.5% ± 5dgts | |
| 交流電壓諧波分析（百分比 %及大小,1 到 99次) | | 范圍 | 分辨率 | %準確度 | 分辨率 | 大小準確度 | | 50V – 600V | 0.1 % | ±0.5% | 0.1 V | ±0.5% ± 0.5V | |
| 交流電流諧波分析（百分比 %及大小,1 到99次諧波） | | 范圍 (Model 19, 21) | 范圍 (Model 23) | 分辨率 | %準確度 | 分辨率 | 大小準確度 | | 10.00 – 60.00mA | 10.00 – 60.00mA | 0.1 % | ±0.5% | 0.01mA | ±0.5% ± 0.1mA | | 60.0 – 600.0mA | 60.0 – 600.0mA | 0.1 % | ±0.5% | 0.1mA | ±0.5% ± 1mA | | 0.5 – 3.000 A | 0.5 – 9.999 A | 0.1 % | ±0.5% | 0.001 A | ±0.5% ± 0.01 A | | 3.00 – 30.00 A | 10.00 – 60.00 A | 0.1 % | ±0.5% | 0.01 A | ±0.5% ± 0.1 A | | 30.00 – 60.00 A | 6 0.00 – 99.99 A | 0.1 % | ±1.0% | 0.01 A | ±1.0% ± 0.1 A | |
| 功率因素（PF）, 相 角 （Φ）(Model 21 ａnd 23) | | 范圍 (PF) | 分辨率 | 讀值準確度 | 范圍 (Φ) | 分辨率 | 讀值準確度 | | 0.000 – 1.000 | 0.001 | ± 1° | -180°to 180°(0 °to 360 °) | 0.1° | ± 1° | |
| 諧波總量百分比(%THD-F, 1到99次諧波) 波形因素（Crest Factor, C.F.） | | 范圍 | 分辨率 | 讀值準確度 | 范圍 | 分辨率 | 讀值準確度 | | 0.0 – 999.9 % | 0.1% | ± 0.5% ± 5 digits | 1.00 – 99.99 | 0.01 | ± 5% ± 30 digits | |
| 鉗部直徑 | 約30mm | | 電池規格 | 1.5V SUM-3 x 2 | | 顯示 | 4+2+2 位數 LCD | | 耗電量 | 約5mA | | 自動關機 | 30分鐘 | | LCD 顯示更新速度 | 約每秒兩次 | | 每周期取樣速度 | 512次（電壓電流）, 256次（瓦特） | | 操作溫度 | -10° C to 50° C | | 重量 | 200g | | 儲存溫度 | -20° C to 60° C | | 操作濕度 | < 85% relative | | 儲存濕度 | < 75% relative | | 尺寸 | 210 (L) x 62 (W) x 35.6mm (H), 8.3" (L) x 2.5" (W) x 1.4" (H) | | 附件 | 測試棒 x 1, 攜帶用背袋 x 1, 說明書 x 1, 電池 1.5V x 2 | | 選購 | 鱷魚夾 | |