台湾标准电机SEW仪器仪表--1825 LP Loop Testers

    
 
1825 LP   Loop Testers
1825 LP
FEATURES
 
 Measures Earth Resistance without the need for poles in the ground or external measuring wires.
 Displays voltage without current (V at 0A).
 Display voltage as if 16A flows between Line and Neutral (V at 16A).
 Loop test for L-E.
 PSC between L-N.
 Single One Smart push button operation; ON, Scroll through results and menus.
 Check wiring integrity (LEDs).
 Auto-off/auto-ranging (software range).
 Microprocessor controlled.
 Combined Prospective Short circuit Current, Loop and Earth Tester.
 Dispaly can be customized for large orders.
 CAT III 300V.
 The 1825 LP is an instrument that displays the main system voltage (V at 0A) of the power utility and calculates the volt drop between Line and Neutral as if 16A was flowing between Line to Neutral.
 1825 LP dispalys the system voltage minus the voltage losses into the Line and Neutral impedances (losses due to the current circulating into theses impedances).
 The result of this dropped voltage is displayed as if you had a 16A load (V at 16AO. This instrument is useful for fault-finding or commissioning of electrical installations.
 This new instrument uses a three wire unique principle of operation. 1825 LP displays the Loop Impedance between Line and Earth (Z L + Z E) = ZL-E and Prospective Short Circuit between Line and Neutral.
SPECIFICATIONS
 
Loop Impedance Range L-E 0.03 Ohm ~ 2000 Ohm (Software Ctrl)
Test Currents In Each Loop 11.76A at 230V/50Hz
Voltage Measurement L-E 50 to 280V AC (Sine)
Load Current for Volt Drop (L-E) 16A (Calculation)
Neutral Wire Resistance (Not available, see 1826 NA)
Line Wire Resistance & transformer Windings (Not available, see 1826 NA)
PSC Current (L-N) Max 6kA at 230Vac supply
PSC Current (L-E) Max (Not available, see 1826 NA)
Operating Voltage 230V +/- 20 at 50Hz Sine
TYPICAL ACCURACY
Loop Impedance 5%rdg+/-2dgt
PSC Current 12%rdg+/-5dgt
Voltage 3%rdg+/-1dgt
Operating-Temperature-Humidity -10 degree C to +40 degree C 80% max. relative humidity
Dimensions 170(L) x 165(W) x 92(D)mm
Weight Appox. 970g (battery is included)
Power Source 1.5V (AA) x 8 batteries
Accessories Test leads (AL-34)
Shoulder belt (BET-1800)
Instruction manual, batteries
特 點
● 微處理器系統控制設計。
● 使用16字X2(行)的液晶顯示器。
● 自動換檔功能。
● 自動關機功能。
● 可以檢查線的狀況(LEDs指示)。
● 可作 L-E 的迴路測試
L-N的預期短路電流
L-N的電壓量測
● 只需使用一個測試按鍵，即可進行各項功能檢測。
●
CAT III 300V
規 格 (23°C±5°C ＜80%R.H.)
迴路阻抗量測範圍(L-E) 0.03-2000Ω(軟體控制)
測試迴路電流 11.76A at 230V / 50Hz
量測電壓 50 to 280V AC
接地電阻 0.01-2000Ω(軟體控制)
預期短路電流 6kA at 230Vac
操作電壓 230V±20V at 50Hz
迴路阻抗準確度 ±5%讀值±2位數
預期短路電壓 ±12%讀值±5位數
操作電壓準確度 ±3%讀值±1位數
操作溫濕度 -10oC-40oC 80%Z大相對濕度
外形尺寸 170(長)×165(寬)×92(高)mm
重量(含電池) 約970克
使用電池 1.5V(AA)×8(顆)