PDL108型油品体积电阻率/介质损耗测定仪
PDL108型油品体积电阻率/介质损耗测定仪是用于绝缘油等液体绝缘介质的介质损耗角及体积电阻率的高精密仪器。一体化结构。内部集成了介损油杯、温控仪、温度传感器、介损测试电桥、交流试验电源、标准电容器、高阻计、直流高压源等主要部件。其中加热部分采用了当前*的高频感应加热方式，该加热方式具备油杯与加热体非接触、加热均匀、速度快、控制方便等优点。交流试验电源采用AC-DC-AC转换方式，有效避免市电电压及频率波动对介损测试准确性影响，即便是发电机发电，该仪器也能正确运行。内部标准电容器为SF6充气三极式电容，该电容的介损及电容量不受环境温度、湿度等影响，保证仪器长时间使用后仍然精度一致。
仪器内部采用全数字技术，全部智能自动化测量，配备了大屏幕（240×180）液晶显示器，全中文菜单，每一步骤都有中文提示，测试结果可以打印输出，操作人员不需专业培训就能熟练使用。
油杯主要技术参数
⑴ 高低压之间距离 2mm
⑵ 空杯电容量 60±2PF
⑶ 大测试电压 工频2000V
⑷ 空杯介损 tgδ＜1×10-4
⑸ 液体容量 约40ml
⑹ 电极材料 不锈钢
⑺ 体积 70mm(D)×120mm（H）
主要技术指标
1使用条件：-5℃∽40℃ RH＜80%
2电 源：AC 220V±10% 频率无限制
3高压输出：1000V∽2200V 每隔200V
精 度2%
容 量50VA 输出电流25mA
4温控感应炉：大功率500W
5温度控制范围：<>
6温度测量误差：±0.5℃
7控温误差：±1℃
8控温时间：室温到90℃ 小于20min
9测量范围： tgδ 无限制
C x 15PF-300PF
Rx 10M-10T
10精 度：△ tgδ：±(读数*1.0%+0.020%)
△ Cx ： ±(读数*1.0%+0.5PF)
△ Rx ： ±读数 * 10%
11相对介电常数：εr自动计算
12体积电阻率：ρ自动计算
13外形尺寸：450mm×310mm×360mm
14重 量：20Kg
PDL108 type oil volume resistivity / dielectric loss tester
PDL108 type oil volume resistivity / dielectric loss tester is used insulating oil dielectric liquid dielectric loss angle and volume resistivity of high-precision instruments. Integrated structure. Internal integration of the dielectric loss oil cup, temperature controller, temperature sensor, dielectric loss test bridge, AC test power supply, standard capacitor, impedance meter, DC high voltage source and other major components. Wherein the heating part adopts the most advanced high-frequency induction heating, the heating oil cup with non-contact with the heating body, heating uniformity, fast, and easy control. AC Test Power Supply with AC-DC-AC converter, effectively prevent the mains voltage and frequency fluctuations of the dielectric loss test accuracy influence even the generator, the instrument can also be run correctly. Internal standard capacitor of SF6 gas-filled three-electrode capacitance of the capacitor dielectric loss and electrical capacity independent of ambient temperature, humidity and other effects, even after prolonged use of the instrument to ensure consistent accuracy.
Inside the instrument using digital technology, all intelligent automated measurement, equipped with a large screen (240 × 180) LCD display, full Chinese menu, and each step has prompted the Chinese, the test results can be printed out, operating personnel without professional training can skilled use.
The main technical parameters of the oil cup
⑴ 2mm distance between high and low
⑵ empty cups capacity 60 ± 2PF
⑶ maximum frequency test voltage 2000V
⑷ empty cup dielectric loss tgδ <1 ×="">
⑸ liquid capacity of about 40ml
⑹ electrode material stainless steel
⑺ volume 70mm (D) × 120mm (H)
The main technical indicators
1 Use Conditions: -5 ℃ ∽ 40 ℃ RH <>
2 Power supply: AC 220V ± 10% Frequency Unlimited
3 High Output: 1000V ∽ 2200V 200V intervals
Accuracy 2%
Capacity 50VA Output Current 25mA
4 induction furnace thermostat: Maximum Power 500W
5 Temperature control range: <100>
6 Temperature measurement error: ± 0.5 ℃
7 Temperature error: ± 1 ℃
8 Temperature Time: Less than 20min from room temperature to 90 ℃
9 Measuring range: tgδ Unlimited
C x 15PF-300PF
Rx 10M-10T
10 Accuracy: △ tgδ: ± (1.0% of reading +0.020% *)
△ Cx: ± (reading * 1.0% +0.5 PF)
△ Rx: ± 10% of reading *
11 Relative permittivity: εr calculated automatically
12 Volume resistivity: ρ is calculated automatically
13 Dimensions: 450mm × 310mm × 360mm
14 Weight: 20Kg
