Product specifications: Fluke 787B process verification instrument
Measuring function | Range and resolution | Best accuracy (reading percentage LSD) | |
V dc | 400.0 mV,4.000 V,40.00 V,400.0 V,1000 V | 0.1% + 1 | |
V ac (true valid value) | 400.0 mV,4.000 V,40.00 V,400.0 V,1000 V | 0.7% + 2 | |
mA dc | 30.000 mA | 0.05 % + 2 | |
A dc | 1.000 A (0.440 A sustained) | 0.2% + 2 | |
A ac | 1.000 A (0.440 A sustained) | 1% + 2 | |
Resistance | 400 Ohm,4000 Ohm,40000 Ohm,400000 Ohm,4 megohm,40 megohm | 0.2% + 1 | |
Frequency (0.5 Hz to 20 kHz) | 199.99 Hz,1999.9 Hz,19.999 kHz | 0.005 % + 1 | |
Diode test | 2.000 V (disy diode voltage drop) | 2% + 1 | |
Continuity | Resistance <大约 100 欧姆时发出蜂鸣 | ||
输出功能 | Range and resolution | 驱动能力 | 精度(量程间距百分比) |
直流电流输出(内部Battery供电) | 0.000 至 20.000 mA 或 4.000 至 20.000 mA(开机时可选)量程达到 24.000 mA | 符合 24 伏特或 1200 欧姆(20 毫安时) | 0.05% |
直流电流模拟(外部15 V 至 48 V 回路电源) | 0.000 至 20.000 mA 或 4.000 至 20.000 mA(开机时可选)量程达到 24.000 mA | 1000 欧姆(20 毫安时) | 0.05% |
电流调整模式 | 粗调、微调、25% 和 步进 | ||
自动:慢速斜坡,快速斜坡,25% 步进 | |||
18 °C 至 28 °C 温度范围,校准后持续 1 年 | |||
通用技术指标 | |||
任何插头和接地之间施加的电压 | 1000 V 真有效值 | ||
存放温度 | -40 °C 至 60 °C | ||
工作温度 | -20 °C 至 55 °C | ||
温度系数 | 0.05 x(规定精度)/°C(当温度 <18 °C 或 > 28 °C 时) | ||
Relative humidity | 95percent (under 30 °C),75percent (under 40 °C),45percent (under 50 °C),35percent (under 55 °C) | ||
Vibration resistance | Randomness,2 g,5-500 Hz | ||
Impact | 1 meter drop test | ||
Security | IEC61010-1, Pollution Level 2 /IEC61010-2-033,CAT IV 600 V/CAT III 1000 V | ||
Volume (height x width x length) | 50 x 100 x 203 mm (1.97 x 3.94 x 8.00 in) | ||
The weight of | 600 g(1.3 lbs) | ||
Battery | 四节 AA 硷性Battery | ||
Battery使用时间 | 140 hours, Standard (measurement),10 hours, Standard (output 12 mA) | ||
Warranty period | Three years |