The popular ALT-120/60 is the most powerful and full-featured standard aerial lift tester available. This product was primarily designed for testing bucket truck booms and liners per the ANSI 92.2 standard. However, its continuously adjustable dual output voltages, high power rating, and mobility also make it ideal for field testing other high capacitance loads requiring AC withstand testing. This unit is also used for overvoltage AC withstand testing of ISO phase bus, switchgear, circuit breakers, reclosers, vacuum bottles, and hot sticks.

Features:

Continuously adjustable output voltage
Fixed overload, factory set to 120% of rated output current
Zero start and external interlock provision
Three-range voltmeter from dual internal voltage dividers
Dual-range current meter, 0 – 250 μA and 0-1.0 mA with x1, x10, and x100 multipliers
Guard/ground return circuit
Automatic transit protected meters
Rugged case with cushion grips
Test timer circuit
Simple controls
Hand cart included
Transit protected meters

Input: 120 V, 60 Hz, 30 A
(F) 230 V, 50/60 Hz, 15 A
Output: 0-120 kV AC / 0-60 kV AC
7 kVA capacitive (1.3 μF @120 kV, 5.3 μF @ 60 kV)
Duty: 7 kVA: 1 hour ON, 1 hour OFF
4 kVA: Continuous
Voltmeter: 3.5”, scaled 0-30/60 kV and 0-60/120 kV AC RMS +/- 2% F.S.
Current Meter: 3.5”, scaled 0-250 mA and 0-1.0 mA +/- 2% F.S.
with multipliers: x1, x10, x100 up to 100 mA
Distortion: Less than 5%
Size and Weight:
(W x D x H) Case:
21 x 11.25 x 15.25 in., 46 lb.
534 x 286 x 387 mm, 21 kgHV Tank:
15.5 x 15.5 x 27.5 in., 160 lb.
394 x 394 x 699 mm, 73 kg

举升机及作业车测试仪

型号ALT-120/60 50/60 Hz便携式交流耐压测试仪

ALT-120/60是一款用来测试架空设备（举升机/臂）的便携式高压交流测试仪器。其设计能满足所有ANSI A92.2中关于绝缘工作台、举升作业车及斗臂车的测试要求。仪器也可用于测试其它需做交流电压试验的电气设备。仪器设计坚固耐用、性能可靠、成本经济，具

有多种先进特性，并且能够长时间工作。ALT-120可以连续输出可调节的交流电压，最高达120 kV，在60 kV时有一个全容量抽头。仪器额定功率为7 kVA，能满足各种测试要

求。其充裕的额定负载能够让用户连续进行多项测试，或进行其它长时间测试。由于测试设备的多功能性十分重要，所以应着重考虑任何一款产品的占空比。

相比其他举升作业车测试仪，ALT-120/60测试仪具有诸多优点。

? 输出功率：7 kVA；

? 输入功耗：120V、30A；

? 7kVA功率下可工作1小时，4kVA功率下可连续工作；

? 电流表量程：250 μA；

? 瞬时保护电表回路。

其它可选型号：

ALT-200(F) 0 – 200kVac @ 30mA，

功率6 kVA，50kVac全容量抽头可选

ALT -300F 0 – 300kVac @ 23 mA，

功率7 kVA斗臂车测试仪可选 最高达50 kVac @ 10 kVA

其它特性

保护/接地回路在测量泄露电流或总电流时用于隔离接地电流

零启动高压安全联锁

外部安全联锁

电缆存放区域

内部千伏表电阻分压器（无外接棒）

测试计时回路

加强型电表，配有可消除静电累积的玻璃罩。

注：如果工作电源输入电压是230V，在型号后加字母F。