Fluke 724 Calibration Manual

Calibrators
Specifications
5
DC mA Measurement and Source (726)
Range Minimum Maximum
Accuracy,
(% of Reading +
Floor)
mA Read (Upper Display) 0.000 24.000 0.010 % + 2 µA
mA Read (Lower Display) 0.000 24.000 0.010 % + 2 µA
mA Source 0.000 24.000 0.010 % + 2 µA
Maximum load on, mA source is 1 kΩ. With the HART resistor on, maximum load is 750 Ω.
Voltage input range on simulate mode is 5 to 30 V
Ohms Measurement (724 and 725)
Ohms Range Accuracy, 4-Wire Accuracy*, 2-Wire, or 3-Wire
0 Ω to 400 Ω
**
±0.1 Ω ±0.15 Ω
400 Ω to 1.5 kΩ ±0.5 Ω ±1.0 Ω
1.5 Ω to 3.2 kΩ ±1 Ω ±1.5 Ω
Excitation Current: 0.2 mA
Maximum input voltage: 30 V
Temperature coefficient -10 °C to +18 °C, +28 °C to 55 °C: ±0.005 % of range per °C
* 2-wire: Does not include lead resistance.
** For Firmware V1.7 or lower, the lowest range is 15 Ω to 400 Ω.
3-wire: Assumes matched leads with a total resistance not exceeding 100 Ω.
Ohms Measurement (726)
Ohms Range Minimum Maximum
Accuracy
(% of Reading + Floor)
Ohms Read (low) 0.00 400.00 0.015 % + 0.05 Ω
Ohms Read (high) 400.0 4000.0 0.015 % + 0.5 Ω
Ohms Source (724 and 725)
Ohms Range Excitation Current from Measurement Device
Accuracy
15 Ω to 400 Ω 0.15 mA to 0.5 mA ±0.15 Ω
15 Ω to 400 Ω 0.5 mA to 2 mA ±0.1 Ω
400 Ω to 1.5 kΩ 0.05 mA to 0.8 mA ±0.5 Ω
1.5 Ω to 3.2 kΩ 0.05 mA to 0.4 mA ±1 Ω
Temperature coefficient -10 °C to +18 °C, 28 °C to 55 °C: ±0.005 % of resistance range per °C
Resolution
15 to 400 Ω 0.1 Ω
400 to 3.2 kΩ 1 Ω

Fluke 724 Specifications

General

Temperature Range	-10°C to 55°C
Thermocouple Types	J, K, T, E, R, S, B, L, U, N
Current Measurement	0 to 24 mA
Operating Temperature	-10°C to 55°C
Function	Process calibrator
RTD Types	Pt100, Pt500, Pt1000
Voltage Measurement	0 to 10 V
Loop Power	24 V DC
Display	Dual Display
Power Supply	4 AA batteries
Resolution	0.1 °C
Storage Temperature	-20 °C to 60 °C
Battery Life	25 hours
Relative Humidity	0 % to 90 %
Safety Compliance	CSA C22.2 No. 1010.1:1992