AC Leakage Clamp Meter (10 μA Resolution)
Model:DCM-040
10 μA @ 40 mA
Shielded Jaws
30 mm Jaw
Fast Bargraph
50/60 Hz • 40–1 kHz
Key Features
- Accurate AC clamp meter for leakage current measurement.
- High 10 μA resolution on 40 mA range.
- Shielded transformer jaws minimize external magnetic field effects.
- Large 30 mm jaw opening.
- Five ranges (40 mA, 400 mA, 4 A, 40 A, 60 A) for broad applications.
- Filter circuit reduces high-frequency noise and harmonics for AC current measurement.
- Large 3¾-digit LCD with fast 20/s bargraph for transients.
- Continuity and frequency measurement; Max/Min, Data Hold, Relative.
- 600 V overload protection for resistance measurement.
- Simple single rotary switch operation.
主要特點
- 專為洩漏電流量測設計的高精度交流鉗錶。
- 40 mA 檔具備 10 μA 高解析度。
- 遮蔽式變壓器鉗口,可降低外部雜散磁場影響。
- 30 mm 大口徑鉗口。
- 五段量程(40 mA、400 mA、4 A、40 A、60 A)滿足多種應用。
- 濾波電路可抑制高頻雜訊與諧波,提升交流電流量測穩定度。
- 3¾ 位數大型 LCD 與 20 次/秒快速條形圖,利於瞬態觀察。
- 具導通與頻率量測;最大/最小值、資料鎖定、相對值功能。
- 電阻量測具 600 V 過載保護。
- 單一旋鈕,操作直覺便利。
AC Current
- Ranges / Resolution / Accuracy (50/60 Hz; Wide 40–1 kHz):
- 40 mA / 10 μA: ±1.0%±3dgt; Wide: ±2.0%±5dgt
- 400 mA / 100 μA: ±1.0%±3dgt; Wide: ±2.0%±5dgt
- 4 A / 1 mA: ±1.0%±3dgt; Wide: ±2.0%±5dgt
- 40 A / 10 mA: ±1.0%±3dgt; Wide: ±2.0%±5dgt
- 60 A (0–50 A) / 100 mA: ±1.5%±3dgt; Wide: ±3.0%±5dgt
- 60 A (50–60 A) / 100 mA: ±3.0%±5dgt; Wide: ±3.5%±5dgt
AC Voltage (Input Impedance: 10 MΩ)
- Range / Resolution / Accuracy (50/60 Hz; 40–1 kHz): 400 V / 0.1 V / ±1.5%±2dgt; Wide: ±2.0%±4dgt (Overload Protection: AC 800 V)
Resistance & Continuity
- Open-circuit voltage ≈ 0.4 V
- 40–400 Ω / 0.1 Ω / ±1.0%±2dgt; Beep < 38.0 Ω (Overload Protection: AC 600 V)
General
- Conductor size: max. 30 mm (approx.)
- Battery: 1.5 V × 2 (SUM-3)
- Display: 3¾ LCD with 40-segment bargraph
- Range selection: Manual
- Overload indication: Leftmost digit blinks
- Power consumption: ≈ 10 mA
- Sampling: 2 times/s (display), 20 times/s (bargraph)
- Operating temp: −10 °C to 50 °C; humidity < 85% RH
- Storage temp: −20 °C to 60 °C; humidity < 75% RH
- Altitude: up to 2000 m
- Dimensions: 210 × 62.0 × 35.6 mm (8.3 × 2.4 × 1.4 in)
- Weight: ≈ 200 g (incl. battery)
- Accessories: Carrying bag ×1, User manual ×1, 1.5 V battery ×2
交流電流
- 量程 / 解析度 / 準確度(50/60 Hz;寬頻 40–1 kHz):
- 40 mA / 10 μA:±1.0%±3dgt;寬頻:±2.0%±5dgt
- 400 mA / 100 μA:±1.0%±3dgt;寬頻:±2.0%±5dgt
- 4 A / 1 mA:±1.0%±3dgt;寬頻:±2.0%±5dgt
- 40 A / 10 mA:±1.0%±3dgt;寬頻:±2.0%±5dgt
- 60 A(0–50 A)/ 100 mA:±1.5%±3dgt;寬頻:±3.0%±5dgt
- 60 A(50–60 A)/ 100 mA:±3.0%±5dgt;寬頻:±3.5%±5dgt
交流電壓(輸入阻抗:10 MΩ)
- 量程 / 解析度 / 準確度(50/60 Hz;40–1 kHz):400 V / 0.1 V / ±1.5%±2dgt;寬頻:±2.0%±4dgt(過載保護:AC 800 V)
電阻與導通
- 開路電壓 ≈ 0.4 V
- 40–400 Ω / 0.1 Ω / ±1.0%±2dgt;蜂鳴 < 38.0 Ω(過載保護:AC 600 V)
一般規格
- 可測導體直徑:最大約 30 mm
- 電池:1.5 V × 2(SUM-3)
- 顯示:3¾ 位數 LCD,含 40 格條形圖
- 量程選擇:手動
- 過載指示:最左位數字閃爍
- 功耗:約 10 mA
- 取樣率:顯示 2 次/秒,條形圖 20 次/秒
- 操作溫度:−10 °C 至 50 °C;濕度 < 85% RH
- 保存溫度:−20 °C 至 60 °C;濕度 < 75% RH
- 海拔:≤ 2000 m
- 尺寸:210 × 62.0 × 35.6 mm(8.3 × 2.4 × 1.4 in)
- 重量:約 200 g(含電池)
- 附屬品:攜帶包 ×1、使用說明書 ×1、1.5 V 電池 ×2