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Model 725Ex Intrinsically Safe
Process Calibrator -
Specifications
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Measurement Accuracy |
| Voltage DC |
30.000 V |
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30.000 V |
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100.00 mV |
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-10.00mV to 75.00 mV |
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| 0.02%+2 counts (upper display) |
| 0.02%+2 counts (lower display) |
| 0.02%+2 counts |
| 0.025%+1 counts (via TC connector) |
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| Resistance |
0.0 to 400.0
Ω |
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401 to 1500.0
Ω |
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1500 to 3200.0
Ω |
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| 0.1 ohm |
(4-wire), |
0.15 ohm |
(2- and 3-wire) |
| 0.5 ohm |
(4-wire), |
1 ohm |
(2- and 3-wire) |
| 1 ohm |
(4-wire), |
1.5 ohm |
(2- and 3-wire) |
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| Frequency |
2.0 to 1000.0 CPM |
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1.0 to 1100.0 Hz |
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1.00 to 10.00 kHz |
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Sensitivity |
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| 0.05% + 1 count |
| 0.05% + 1 count |
| 0.05% + 1 count |
| 1 volt peak - to - peak - minimum |
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From 0.025% of range using any of eight
intrinsic |
| safe pressure modules. |
| Modules available for differential,
gage, vacuum |
| absolute, dual and high pressure. |
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Source Accuracy |
| Voltage DC |
100.00 mV |
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10.000 V |
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-10.00 mV to 75.00 mV |
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| 0.02% |
+ 2 counts |
| 0.02% |
+ 2 counts |
| 0.025% |
+ 1 count (via TC connector) |
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| Current DC |
24.000 mA |
(Source) |
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24.000 mA |
(Simulate) |
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| 0.02% |
+ 2 counts |
| 0.02% |
+ 2 counts |
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| Resistance |
15.0 to 400.0 Ω |
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401 to 1500 Ω |
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1500 to 3200 Ω |
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| 0.15 ohm (excitation current 0.15 to 0.5mA), |
| 0.1 ohm (excitation current 0.5 to 2 mA) |
| 0.5 ohm (excitation current 0.05 to 0.8 mA) |
| 1 ohm (excitation current 0.05 to 0.4 mA) |
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| Frequency |
2.0 to 1000.0 CPM |
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1.0 to 1100.0 Hz |
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1.00 to 10.00 kHz |
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Waveform: |
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| 0.05% |
| 0.05% |
| 0.25% |
| 5 volts p-p squarewave, -0.1 volt offset |
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RTD's and Thermocouples |
| Measure Accuracy |
NI-120 |
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PT-100 |
(385) |
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PT-100 |
(393) |
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PT-100 |
(JIS) |
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PT-200 |
(385) |
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PT-500 |
(385) |
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PT-1000 |
(385) |
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Type-J |
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Type-K |
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Type-T |
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Type-E |
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Type-R |
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Type-S |
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Type-B |
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Type-L |
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Type-U |
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Type-N |
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| 0.2 °C |
Resolution: 0.1 °C |
| 0.033 °C |
Resolution: 0.1 °C |
| 0.3 °C |
Resolution: 0.1 °C |
| 0.3 °C |
Resolution: 0.1 °C |
| 0.2 °C |
Resolution: 0.1 °C |
| 0.3 °C |
Resolution: 0.1 °C |
| 0.2 °C |
Resolution: 0.1 °C |
| 0.7 °C |
Resolution: 0.1 °C, 0.1F |
| 0.8 °C |
Resolution: 0.1 °C, 0.1F |
| 0.8 °C |
Resolution: 0.1 °C, 0.1F |
| 0.7 °C |
Resolution: 0.1 °C, 0.1F |
| 1.8 °C |
Resolution: 1 °C, 1F |
| 1.5 °C |
Resolution: 1 °C, 1F |
| 1.4 °C |
Resolution: 1 °C, 1F |
| 0.7 °C |
Resolution: 0.1 °C, 0.1F |
| 0.75 °C |
Resolution: 0.1 °C, 0.1F |
| 0.9 °C |
Resolution: 0.1 °C, 0.1F |
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| Source Accuracy |
NI-120 |
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PT-100 |
(385) |
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PT-100 |
(393) |
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PT-100 |
(JIS) |
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PT-200 |
(385) |
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PT-500 |
(385) |
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PT-1000 |
(385) |
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Type-J |
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Type-K |
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Type-T |
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Type-E |
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Type-R |
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Type-S |
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Type-B |
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Type-L |
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Type-U |
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Type-N |
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| 0.2 °C |
Resolution: 0.1 °C |
| 0.033 °C |
Resolution: 0.1 °C |
| 0.3 °C |
Resolution: 0.1 °C |
| 0.3 °C |
Resolution: 0.1 °C |
| 0.2 °C |
Resolution: 0.1 °C |
| 0.3 °C |
Resolution: 0.1 °C |
| 0.2 °C |
Resolution: 0.1 °C |
| Note: |
Accuracy stated for 4-wire measurement |
| 0.7 °C |
Resolution: 0.1 °C |
| 0.8 °C |
Resolution: 0.1 °C |
| 0.8 °C |
Resolution: 0.1 °C |
| 0.7 °C |
Resolution: 0.1 °C |
| 1.4 °C |
Resolution: 1 °C |
| 1.5 °C |
Resolution: 1 °C |
| 1.4 °C |
Resolution: 1 °C |
| 0.7 °C |
Resolution: 0.1 °C |
| 0.75 °C |
Resolution: 0.1 °C |
| 0.9 °C |
Resolution: 0.1 °C |
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Technical Specifications |
| Ramp Functions |
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Source Functions: |
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Ramps: |
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| Voltage, Current, Resistance, frequency, Temperature |
| Slow ramp, Fast ramp, 25% step-ramp |
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| Loop Power Function |
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Voltage: |
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Accuracy: |
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Maximum Current: |
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| 12 volts |
| 10% |
| 22mA, short circuit protected |
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| Step Functions |
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Source Functions: |
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Steps: |
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| Voltage, Current, Resistance, frequency, Temperature |
| 25% of range, 100% of range |
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Safety Specifications |
Agency Approvals
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ATEX II 1 G EEx ia IIB 171°C
I.S. Class I, Division 1 Groups |
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Mechanical and general
Specifications |
| Size |
130mm x 236mm x 61mm (5.188" x
9.291" x 2.402") |
| Weight |
85 kg (1.874 lbs.) |
| Batteries |
4 AA alkaline batteries |
| Battery Replacement |
Separate battery compartment,
accessible without breaking calibration seal. |
| Side Port Connections |
Pressure module connector |
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