Fluke 744 DPI 620
Measurement Mode
DC voltage measurement Accuracy
(% of reading + % of full scale)
DC voltage measurement Accuracy
(% of reading + % of full scale)
110.000 mV 0.025% + 0.015% -10 to 100.000 mV 0.014% + 0.01%
200.000 mV 0.007% + 0.005%
1.10000 V 0.025% + 0.005% 2000.00 mV 0.007% + 0.005%
11.000 V 0.025% + 0.005% 20.00000 V 0.01% + 0.002%
30.000 V 0.01% + 0.004%
110.000 V 0.05% + 0.005%
300.00 V 0.05% + 0.005%
AC Voltage Measurement Accuracy (% of reading + counts) AC Voltage Measurement Accuracy
(% of reading + % of full scale)
1.1000 V 0.5% + 5 2000.0 mV 0.2% + 0.15%
11.000 V 0.5% + 6 20.000 V 0.2% + 0.15%
110.00 V 0.5% + 7
300 Vrms 0.5% + 8 300.00 V 1.5% + 0.1%
DC current measurement Accuracy (% of reading +% of full scale) DC current measurement Accuracy (% of reading +% of full scale)
30.000 mA 0.01% + 0.015% 20.0000 mA 0.012% + 0.006%
110.00 mA 0.01% + 0.015% 55.0000 mA 0.016% + 0.005%
Resistance measurement Accuracy (% of reading + ohms) Resistance measurement Accuracy (% of reading + % of FS)
11.000 Ω 0.05% + 0.05 Ω
110.00 Ω 0.05% + 0.05 Ω 400.000 Ω 0.015% + 0.006%
1.1000 kΩ 0.05% + 0.5 Ω
11.000 k Ω 0.1% + 10 Ω 4000.00 Ω 0.015% + 0.006%
Frequency measurement Accuracy in Hz Frequency measurement Accuracy % of reading + % of FS
1.00 Hz to 109.99 Hz 0.05 Hz
110.0 Hz to 1099.9 Hz 0.5 Hz 1000.00 Hz 0.003% + 0.0002%
1.100 kHz to 10.999 kHz 0.005 kHz
11.00 kHz to 50.00 kHz 0.05 kHz 1 to 50.00 KHz 0.003% + 0.0004%
0 to 999999.99 CPM 0.003% + 0.0002%
0 to 999999.99 CPH 0.003% + 0.0004%
Source Mode
DC voltage output Accuracy (% of output + % of full scale) DC Voltage Output Accuracy (% of output + % of full scale)
110.000 mV 0.01 % + 0.005 % -10 to 100.000 mV 0.014% + 0.01%
200.0 mV 0.007% + 0.005%
1.10000 V 0.01 % + 0.005 % 2000.0 mV 0.007% + 0.005%
15.0000 V 0.01 % + 0.005 % 12.0 V 0.01 % + 0.0035 %
DC Current Output Accuracy(% of output + % of full scale) DC Current Output Accuracy(% of output + % of full scale)
22.000 mA source (24V) 0.01% + 0.015% 24.000 mA 0.015% + 0.005%
Current sink (simulate transmitter) 0.02% + 0.03% 24.000 mA (24V loop power) 0.015% + 0.005%
Resistance sourcing Accuracy (% of output + % of full scale) Resistance Sourcing Accuracy (% of output + % of full scale)
11.000 Ω 0.01% + 0.02 Ω
110.00 Ω 0.01% + 0.04 Ω 400.00 Ω 0.008% + 0.003%
1.1000 k Ω 0.02% + 0.5 Ω 2000.00 Ω 0.06% + 0.006%
11.000 k Ω 0.03% + 0.05 Ω 4000.00 Ω 0.06% + 0.0045%
Frequency sourcing Accuracy in Hz Frequency sourcing
0.00 to 10.99 Hz 0.01 Hz
11.00 Hz to 109.99 Hz 0.1 Hz
110.00 Hz to 1099.9 Hz 0.1 Hz 0 to 1000.0 Hz 0.003% + 0.000024%
1.100 kHz to 21.999kHz 0.002 kHz
22.000 kHz to 50.000 kHz 0.005 kHz 1 to 50.000 kHz 0.003% + 0.000074%
Temperature Accuracy (measure) Temperature Accuracy (measure)
RTD Pt100 0.5°C RTD Pt100 0.25°C
Pt100, 200, 500, 1000, Ni120, Cu10 RTD Types: Pt50, 100, 200, 500, 1000, D100, Ni100, Ni120, Cu10
Thermocouple type K 0.3°C Thermocouple type K 0.30°C
TC Types: E, N, J, K, T, B, R, S, C, L, U E, N, J, K, T, B, R, S, C, L, U, D
Features
Loop Supply 24V 24V
Intrinsically safe (ATEX) No ATEX/IEC Q4 2009
Warranty in years 3 18 months, optional for 3 or 5 years
Pressure modules Accuracy one year, 0 to 50°C
Ranges from 2 mbar to 700 bar. -14.7 to 10,000 psi From 0.05% FS 100Mpa. -14.7 to 15,000 psi
Accuracy 0.025% --- 0.05% 0.005% --- 0.025%
Connection method Externally via cable Modular
Pressure channels One Two with MC620; Three with an additional IDOS sensor
Pressure generation
Pneumatic Pressure None

PV 621 pressure station
PV 622 pressure station

-0.95 to 20 bar
-0.95 to 100 bar

External pneumatic hand pumps -0.96 to 6.9 bar
-0.96 to 40 bar
PV 210
PV 211
PV 411A
-0.9 to 3 bar
-0.96 to 40 bar
-0.95 to 40 bar
Integrated hydraulic pressure PV 623 0 to 1000 bar
PV 212
PV 411A
0 to 1000 bar
0 to 700 bar
Hart communication
Supports universal and common practice commands Yes Yes
Supports device specific commands Limited support for limited number of devices Sept 2009 - Full support for all HART devices
Process Features
Step and ramp output Yes with auto run Fully programmable step, ramp, span check with auto run
24V loop power with simultaneous mA measurement Yes Yes
Automated as left / as found procedures Yes Yes with graphical analysis
Custom units, user entered values, switch test, flow scaling Yes Yes
Compatible with pulsed RTD devices Yes Yes
Other features
Dimensions 130mm x 236mm x 61mm Dimensions 114mm x 183mm x 42mm
Weight 1.4 kg Weight 0.6 kg
Weatherproof No IP52 Weatherproof Yes IP65
Battery Life NiMH 3500mA, 10 hours Lithium polymer 5280mA, 12 hours
Data Transfer RS232

USB
RS232 (using IO620-USB-RS232)
USB memory stick
Micro SD memory card
Wireless

Windows CE No

Typical Windows file management and data handling including viewers for Excel, Word, PowerPoint, PDF and image files. Text editor and alpha/numeric touch keypad

Display reading

Two readings

Six active readings

Display language

English, French, German, Spanish, Italian

English, French, German, Italian, Chinese, Russian

Display color Black/white Full color
Data storage capacity

Limited internal memory

14 MB internal, 4 GB expansion, USB memory stick

As Found test Yes Yes
As left test Yes Yes
Pass/Fail status Yes Yes
SD memory card No Yes - up to 4 GB

The Fluke 744 specification is valid over 18°C to 28°C and for 1 year.

To operate the Fluke 744 over the same temperature range as the DPI 620 add the following to the data sheet.

Measure:

  • Voltage ranges 0.008% rdg + 0.012%FS
  • Current ranges 0.008% rdg + 0.016% FS
  • Omhs ranges 0.08% FS + 16 mOhms / °C

Source:

  • Voltage ranges 0.008% rdg + 0.008% FS
  • Current ranges 0.024% rdg + 0.024% FS
  • Omhs ranges 0.08% FS

The DPI 620 specification is valid over 10°C to 30°C and for 1 year.