Fluke 752a brochure

Fluke 752A Reference Divider

Division Ratio

Division Ratio
10:1 ±0.2 ppm

Division Ratio
100:1 ±0.5 ppm

Specifications

Ratio Ranges 10:1 and 100:1
Ratio Uncertainty Ratio accuracies that apply for a temperature variation of

Input: 0V to 100V

Input: 0V to 1000V

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less than ± 1°C from the self-calibration temperature
(between 18°C and 28°C) for up to 8 hours following
self-calibration:

Range 10:0
Input Voltage: 0 to 100V
Output Uncertainty: 0.2 ppm
Null Accuracy: ±0.5 µV

Range 100:1
Input Voltage: 0 to 1000V
Output Uncertainty: 0.5 ppm
Null Accuracy: ±1.0 µV

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Temperature
Coefficient

Input Resistance

Maximum Input
Voltage

Power Coefficient

Temperature 0°C to 50°C, operating; -40°C to 75°C non-operating
Relative Humidity

Altitude

Vibration Per MIL-T-28800C, Type III, Class 5, Style E
Safety IEC 348, 2nd edition, 1978; ANSI-C39.5, 1980, CSA

≤ ± 1 ppm per °C over range of 18°C to 28°C (typically

0.1 ppm per °C from 15°C to 30°C
10:1 Ratio: 380 kΩ ± 1%

100:1 Ratio: Divider is 4 MΩ; Driven Guard is 4 MΩ; total
is 2 MΩ ± 1%

200V for the 10:1 ratio
1100V for the 100:1 ratio

≤ 0.05 ppm of output with 100V applied for 10:1 ratio
and ≤ 0.3 ppm of output with 1000V applied for 100:1
ratio (included in the ratio accuracy specifications)

≤ 75% to 40°C, ≤ 45% to 50°C, non-condensing,
operating; ≤ 100% 10-50°C, non-operating

≤ 3050m (10,000 ft) operating; ≤ 12,220m (40,000 ft)
non-operating

556B, and UL 1244

Size 19.1 cm H x 22.1 cm W x 60.3 cm L (7.53 in H x 8.69 in

W x 23.75 in L)

Weight 8.4 kg (18.5 lbs.)

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Specifications apply for the lifetime of the instrument over the temperature range of

18°C to 28°C.

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Null accuracy refers to the required accuracy of the null detector reading during

self-calibration.