110.000 mV

 0.025%+0.015% *

1.10000 V

 0.025%+0.005% *

11.0000 V

 0.025%+0.005% *

110.000 V

 0.05%+0.005% *

300.00 V

 0.05%+0.005% *

20 to 40 Hz

 2% + 10

40 to 500 Hz

 0.5% + 5

500 to 1 kHz

 2% + 10

1 kHz to 5 kHz

 10% + 20

Ranges:

 1.1000, 11.000, 110.00, 300V

30.000 mA

 0.01% + 0.015% *

110.00 mA

 0.01% + 0.015% *

11.000 Ω

 0.05% + 50 mΩ

110.00 Ω

 0.05% + 50 mΩ

1.1000 kΩ

 0.05% + 500 mΩ

11.000 kΩ

 0.1% + 10 Ω

1.00 to 109.99 Hz

 0.05 Hz

110.0 to 1099.9 Hz

 0.5 Hz

1.100 to 10.999 kHz

 5 Hz

11.00 to 50.00 kHz

 50 Hz

Accuracy

 from 0.025% of range using any of 29 pressure modules.

 Modules available for differential, gauge, vacuum, absolute, dual and high pressure.

 (for detailed specifications refer to pressure modules in options and accessories)

*

 (% of reading + % of full scale)

110.000 mV

 0.01%+0.005% *

1.10000 V

 0.01%+0.005% *

15.0000 V

 0.01%+0.005% *

22.000 mA (Source)

 0.01%+ 0.015% *

22.000 mA (Simulate)

 0.02% + 0.03% *

11.000 Ω

 0.01% + 20 mΩ

110.00 Ω

 0.01% + 40 mΩ

1.1000 kΩ

 0.02% + 500 mΩ

11.000 kΩ

 0.03% + 5Ω

0.00 to 10.99 Hz

 0.01 Hz

11.00 to 109.99 Hz

 0.1 Hz

110.0 to 1099.9 Hz

 0.1 Hz

1100 to 21999 Hz

 2 Hz

22.000 to 50.000 kHz

 5 Hz

*

 (% of reading + % of full scale)

10 Ω Cu (427):

 2 °C

100 Ω Pt (3916):

 0.3 °C

100 Ω Pt (3926):

 0.3 °C

100 Ω Pt (385):

 0.3 °C

200 Ω Pt (385):

 0.3 °C

500 Ω Pt (385):

 0.3 °C

1000 Ω Pt (385):

 0.3 °C

120 Ω Ni (672):

 0.3 °C

note:

 For 2-and 3-wire measurement, add 0.4°C

E:

 0.3 °C

N:

 0.5 °C

J:

 0.3 °C

L:

 0.3 °C

K:

 0.3 °C

T:

 0.3 °C

U:

 0.3 °C

B:

 0.9 °C

R:

 1.0 °C

S:

 0.9 °C

C:

 0.6 °C

BP:

 1.2 ºC

XK:

 0.4 ºC

note:

 Accuracy with external cold junction, for internal junction add 0.2 °C

10 Ω Cu (427):

 1 °C

100 Ω Pt (3916):

 0.1 °C

100 Ω Pt (3926):

 0.1 °C

100 Ω Pt (385):

 0.1 °C

200 Ω Pt (385):

 0.1 °C

500 Ω Pt (385):

 0.1 °C

1000 Ω Pt (385):

 0.1 °C

120 Ω Ni (672):

 0.1 °C

note:

 For 2-and 3-wire simulation, add 0.4 °C

E:

 0.2 °C

N:

 0.3 °C

J:

 0.2 °C

L:

 0.2 °C

K:

 0.3 °C

T:

 0.3 °C

U:

 0.3 °C

B:

 0.8 °C

R:

 0.9 °C

S:

 0.9 °C

C:

 0.6 °C

BP:

 0.5 ºC

XK:

 0.4 ºC

note:

 Accuracy with external cold junction, for internal junction add 0.2 °C

Measure functions:

 Voltage, current, resistance, frequency, temperature, pressure

Reading rate:

 1, 2, 5, 10, 20, 30, or 60 readings/minute

Maximum record length:

 8000 readings (7980 for 30 or 60 readings/minute)

Source functions:

 Voltage, current, resistance, frequency, temperature

Rate:

 4 steps/second

Trip detect:

 Continuity or voltage (continuity detection not available when sourcing current)

Voltage:

 Selectable, 24 V or 28 V

Accuracy:

 5%

Maximum current:

 22 mA, short circuit protected

Maximum input voltage:

 30 V DC

Source Functions

 Voltage, current, resistance, frequency, temperature

Manual Step

 Selectable step, change with arrow buttons

Autostep

 Fully programmable for function, start delay, stepvalue, time per step, repeat

 -10 °C to +50 °C

 -20 °C to +50 °C *

 -20 °C to +60 °C

 Meets IP52, IEC 529

 2800 m

*

 Except frequency and AC

 CAN/CSA C22.2 No 1010.1-92, ASNI/ISA S82.01-1994, UL3111, and EN610-1:1993

 130 x 236 x 61 mm (5.1“ x 9.3” x 2.4”)

 1.4 kg (3 lbs., 1oz.)

NiMH:

 7.2V, 3.5 Ah

 >10 hours typical

 Via snap-shut door without opening calibrator; no tools required

 Pressure module connector

 RS-232 connector for PC interface cable and for HART communication cable

 Connection for optional battery eliminator

 1 week of calibration results

 The standard specification interval for the 744 is 1 and 2 years.

 Typical 90 day measurement and source accuracy can be estimated by

 dividing the one year ""% of reading"" or ""%of output"" specifications by 2.

 Floor specifications, expressed as ""% of full scale"" or

 ""counts"" or ""ohms"" remain constant.