產品名稱：掌上萬用表

產品規格:
 

BM829	功能／規格
.	4-1/2 位數 /10,000 Counts 分辨率量測顯示，易讀背光LCD顯示屏
.	每秒 5次快速量測；全自動偵測換檔量程
.	雙組量測數字顯示
.	仿指針 41模擬條狀，每秒更新 60次
.	USB 計算機聯機接口 , WIN98/2000/XP/Vista/Win7等系統使用 (選購)
.	智能型自動省電判斷功能
.	顯示數字數據鎖定功能
.	自動歸零及相對值設定
.	蜂鳴警示，防止探棒接錯造成危險
.	AC, AC+DC 電壓電流有效值測量
.	100kHz 寬帶 AC & AC+DC 電壓測量
0.08%	直流電壓測量
.	T1-T2 雙軌 K-Type 溫度量測 -50 ℃~ 1000 ℃，可選擇℉溫度顯示功能
.	全自動偵測換文件量程記錄大值、小值、平均值
.	交流電壓(ACV)測量范圍 0.01mV to 1000V
.	直流交流混合電壓(AC+DCV)測量范圍 0.01mV to 1000V
.	交流電流(ACA)測量范圍 0.1uA to 10A; 20A可量 30秒、間隔停 5分鐘
.	直流電流(DCA)測量范圍 0.1uA to 10A; 20A 可量 30秒間、隔停 5分鐘
.	直流交流混合電流(AC+DCA)測量范圍 0.1uA To 10A; 20A可量30秒、間隔停5分鐘
.	電阻值測量范圍 0.1Ω to 60MΩ
.	傳導值測量范圍 0.01nS to 99.99nS
.	超快速電容測量 0.01nF to 25mF
.	電力準位頻率范圍 15Hz To 1.000kHz
.	數字邏輯準位頻率范圍 5Hz to 1MHz
.	數字邏輯準位 Duty范圍 0.01% To 99.99%
.	二極管測試
.	Lo-Z 以抵阻抗的方式，防止感應電壓導致錯誤的讀數
.	非接觸式(EF)檢測功能
.	探針接觸(EF)檢測功能-檢測現場更的指示
.	堅固耐用的阻燃工業護套及保險檢修孔
.	可清洗和更換的保護皮套
.	600V AC/DC (Ohms,CX ... etc.) 一般輸入保護
.	符合 LVD Meets EN60101-1 CAT IV 1KV
.	符合 EMC EN61326-1:2006 (EN55022,EN61000-3-2 & EN61000-4-2/-3/-4/-5/-6/-8/-11)

詳細規格:

Accuracy is given as +/- (% of reading dig

its + number of digits) or otherwise specified @ 23^o C +/- 5^o C and less than 75% R.H.

True RMS model BM257 ACV & ACA accuracies are specified from 5 % to 100 % of range or otherwise specified.

 

Maximum Crest Factor <3:1 at full scale & <6:1 at half scale, and with frequency components fall within the meter specified frequency bandwidth for non-sinusoidal waveforms

 

AC & AC+DC Voltage

Function	RANGE	Accuracy
50Hz ~ 60Hz
mV	60.00mV, 600.0mV	0.5% + 3d
V	9.999V, 99.99V, 999.9V
40Hz ~ 500Hz
mV	60.00mV, 600.0mV	0.8% + 4d
V	9.999V, 99.99V	1.0%+4d
	999.9V	2.0%+4d
500Hz ~ 1kHz
mV	60.00mV, 600.0mV	2.0% + 3d
V	9.999V, 99.99V	1.0%+4d
	999.9V	2.0%+4d
1kHz ~ 3kHz
mV	60.00mV, 600.0mV	2%+3d
V	9.999V, 99.99V, 999.9V	3.0%+4d
3kHz ~ 20kHz
mV	60.00mV 1), 600.0mV 1)	2%+3d
V	9.999V, 99.99V	3dB
	999.9V	Unspec’d

¹⁾ Specificied from 30% to  of range.

CMRR:>60dB @ DC to 60Hz, Rs=1k W

Input Impedance: 10M W , 50pF nominal (80pF nominal for 600mV range)

Residual reading less than 5 digits with test leads shorted.

 

AutoCheck^TM (ACV)

RANGE 1)	Accuracy
50Hz ~ 60Hz
9.999V, 99.99V, 999.9V	1.0%+4d

Lo-Z ACV Threshold:> 3VAC (50/60Hz) nominal

Lo-Z ACV Input Impedance:

Initially approx. 3.0k W , 150pF nominal; Impedance increases abruptly within
a fraction of a second as display voltage is above 50V (typical). Ended up impedances
vs display voltages typically are:

18k W       @100V           125k W       @ 300V

320k W     @ 600V          460k W        @ 1000V

 

dBm

At 600 W , -11.76dBm to 54.25dBm,

Accuracy: ± 0.25dB + 2d (@40Hz -- 20kHz)

Input Impedance: 10M W , 50pF nominal

Selectable reference impedance of  4, 8, 16, 32, 50, 75, 93, 110, 125, 135, 150, 200,
250, 300, 500, 600, 800, 900, 1000, 1200 W

 

DC Voltage

Function	RANGE	Accuracy
mV	60.00mV	0.12%+2d
	600.0mV	0.06%+2d
V	9.999V, 99.99V, 999.9V	0.08%+2d

NMRR:        >60dB    @ 50/60Hz

CMRR:       >110dB @ DC, 50/60Hz, Rs=1k W

Input Impedance: 10M W , 50pF nominal (80pF nominal for 600mV range)

 

AutoCheck^TM (DCV)

RANGE	Accuracy
9.999V, 99.99V, 999.9V	0.5%+3d

Lo-Z DCV Threshold:

 > +1.5VDC or < -1.0VDC nominal

Lo-Z DCV Input Impedance:

Initially approx. 3.0k W , 165pF nominal; Impedance increases abruptly within a fraction
of a second as display voltage is above 50V (typical). Ended up impedances vs display
voltages typically are:

18k W       @100V          125k W         @ 300V

320k W     @ 600V         500k W         @ 1000V

 

Ohms

RANGE	Accuracy
600.0 W , 6.000k W , 60.00k W , 600.0k W	0.1%+3d
6.000M W	0.4%+3d
60.00M W	1.5%+5d
99.99nS	0.8%+10d

Open Circuit Voltage: < 1.2VDC (< 1.0VDC for 60M W range)

 

AutoCheck^TM (Ohms)

RANGE	Accuracy
600.0 W , 6.000k W , 60.00k W , 600.0k W	0.5%+4d
6.000M W	0.8%+3d
60.00M W	2.0%+5d

Open Circuit Voltage: < 1.2VDC (< 1.0VDC for 60M W range)

 

Audible Continuity Tester

Audible threshold: between 20 W and 300 W ; Response time < 100 m s

 

Diode Tester

RANGE	Accuracy
2.000V	1.0%+1d

Test Current (Typically): 0.4mA

Open Circuit Voltage: < 3.5 VDC

 

Temperature

RANGE	Accuracy
-50oC to 1000oC	0.3%+2oC
-58oF to 1832oF	0.3%+5oF

Type-K thermocouple range & accuracy not included

 

Capacitance

RANGE	Accuracy 1)
60.00nF, 600.0nF	0.8% + 3d
6.000 m F	1.0% + 3d
60.00 m F	2.0% + 3d
600.0 m F 2)	3.5% + 5d
6.000mF 2)	5.0% + 5d
25.00mF 2)	6.5% + 5d

¹⁾ Accuracies with film capacitor or better

²⁾ In manual-ranging mode, measurements not specified below 50.0 mF, 0.54mF and
5.4mF for 600.0 mF, 6.000mF and 25.00mF ranges respectively

 

AC & AC+DC Current

RANGE	Accuracy		Burden voltage
			BM82x 2)	BM52y 3)
50Hz ~ 60Hz
600.0 m A, 6000 mA		0.6%+3d	0.08mV/ m A	0.08mV/ m A
60.00mA			1.5mV/mA	2.1mV/mA
600.0mA		1.0%+3d
6.000A , 10.00A 1)		0.8%+6d	0.04V/A	0.02V/A
40Hz ~ 1kHz
600.0 m A, 6000 mA		0.8%+4d	0.08mV/ m A	0.08mV/ m A
60.00mA			1.5mV/mA	2.1mV/mA
600.0mA		1.0%+4d
6.000A , 10.00A 1)		0.8%+6d	0.04V/A	0.02V/A

¹⁾ 10A continuous, > 10A to 15A (to 20A for BM521 & BM525) for 30 second max with 5 minutes cool down interval

²⁾ x=1, 2, 7 & 9; Model 821, 822, 827 & 829

³⁾ y=1 & 5; Model 521 & 525

 

DC Current

RANGE	Accuracy	Burden voltage
		BM82x 2)	BM52y 3)
600.0 m A, 6000 mA	0.2%+4d	0.08mV/ m A	0.08mV/ m A
60.00mA, 600.0mA		1.5mV/mA	2.1mV/mA
6.000A , 10.00A 1)		0.04V/A	0.02V/A

¹⁾ 10A continuous, > 10A to 15A (to 20A for BM521 & BM525) for 30 second max with 5 minutes cool down interval

²⁾ x=1, 2, 7 & 9; Model 821, 822, 827 & 829

³⁾ y=1 & 5; Model 521 & 525

 

Line Level Frequency (Hz)

Function Range	Frequency	Sensitivity (Sine RMS)
AC 60.00mV	15.00 ~ 50.00kHz	40mV
AC 600.0mV		60mV
AC 9.999V	15.00 ~ 10.00kHz	2.5V
AC 99.99V		25V
AC 999.9V		100V
AC 600.0 mA	15.00 ~ 3.000kHz	45uA
AC 6000 mA		600uA
AC 60.00mA		40mA
AC 600.0mA		60mA
AC 6.000A		4A
AC 10.00A		6A

Accuracy: 0.04%+4d

Crest mode (Instantaneous Peak Hold)

Accuracy: Specified accuracy adds 250 digits for changes > 1.0 ms in duration

 

Record mode

Accuracy: Specified accuracy adds 10 digits for changes > 100 ms in duration

 

Logic Level Frequency ( Hz) &  Duty Cycle (D%)

@ DCmV Function	Range	Accuracy 1)
Frequency	5.00Hz ~ 1.000MHz	0.004%+4d
Duty Cycle	0.00% ~ 100.0%	3d/kHz+2d 2)

¹⁾ Sensitivity: 2.5Vp (Square wave) for 3V & 5V Logic Family

²⁾ Specified Frequency: 5Hz ~ 10kHz

 

Non-Contact EF-Detection

Typical Voltage	Bar Graph Indication
20V (tolerance:10V~36V)	-
55V (tolerance: 23V ~ 83V)	--
1  10V (tolerance: 59V ~ 165V)	---
220V (tolerance: 124V ~ 330V)	----
440V (tolerance: > 250V)	-----

Indication: Bar graph segments & audible beep tones proportional to the field strength

Detection Frequency: 50/60Hz

Detection Antenna: Top end of the meter

Probe-Contact EF-Detection:

For more precise indication of live wires, such as distinguishing between live and
ground connections, use the Red (+) test probe for direct contact measurements.