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The Additel ADT273EX is an Intrinsically safe compound pressure calibrator that has an optional HART communications capability. The Compound version has a range of ±2 PSIG to -15 to 10,000 PSIG. The ADT273EX has passed the most stringent ATEX, IECEX, CSA, and UKCA intrinsic safety certifications from authoritative organizations. Also its explosion-proof level is Ex ia IIC T4 Ga.
Functional Features | |
Scaling | User can convert measured current, voltage and frequency values into pressure, temperature and flow values. Three conversion functions available: linearity, square and square root |
Filtering | Average sliding filter (sampling number: 1 ~ 50) First-order linear filter (First-order coefficient: 0.01 ~ 1) |
Switch | The measurement value will be automatically displayed at the moment the switch change of state. The latest 8 state changes will be stored in the memory. |
Pressure Tare | Tare value is set through the user interface |
Pressure stability indicator | Stability time and criteria is selectable |
General Specifications | |
Input Channels | Top: 1 electrical signal measurement channel, φ4mm banana jacks |
Right side: 2 channels for external digital pressure modules, 5-core dedicated aviation plug | |
Bottom: embedded digital pressure module (model ADT158Ex), field switchable. | |
Internal: 1 embedded atmospheric pressure sensor | |
Barometric Accuracy | ±55 Pa |
Measurement Rate | mV, V, mA & frequency: 3 times/sec |
Pressure module: 1~10 times/sec selectable (3 as default) | |
Barometer: 1 time/sec | |
Power | 4000mAh, 14.4Wh explosion-proof intelligent lithium battery, charging time = 6~8 hours, battery can be charged independently Typical working time 100 hours (measurement mode) |
Environmental | Guaranteed temperature range of technical specifications: (-10 ~ 50)°C |
Operating temperature: (-20 ~ 50)°C | |
Storage temperature: (-30 ~ 70)°C | |
Humidity: 0% to 95% RH, non-condensing. | |
Altitude: 3000 meters | |
Warm-up Time | 10 min to fully meet technical specifications |
Port Protection Voltage | 30V max |
Explosion-proof Grade | ATEX & IECEX: Ex ia IIC T4 Ga (Ta = -10°C ~ 50°C) |
CSA: Class I, Division 1, Group A,B,C and D, T4 Ex ia IIC T4 Ga Class I, Zone 0, AEx ia IIC T4 Ga | |
UKCA-EX | |
CE Certification | TUV IEC61326, IEC61010 |
Rohs Compliance | Rohs II Directive 2011/65/EU, EN50581:2012 |
Protection Level | IP67, 1 meter drop test |
Communication | Isolate USB-Type C (slave), Bluetooth |
Display | 4.4-inch color display capacitive screen, transflective, with LED backlight |
Size | 6.97" x 4.13" x 2.04" (177 mm x 105 mm x 52 mm) which doesn't include bottom ADT158Ex. |
Weight | 1.98 lb (0.9 kg) |
Electrical Specifications | ||||
Specification | Range | Accuracy | Resolution | Note |
Voltage Measurement | ±300mV | 0.015%RDG + 0.005%FS | 1uV | Impedance: >100MΩ |
±30V | 0.015%RDG + 0.005%FS | 0.1mV | Impedance: >1MΩ | |
Current Measurement | ±30mA | 0.015%RDG + 0.005%FS | 0.1uA | Impedance: < 40Ω |
Frequency Measurement | 0.01~50000Hz (auto range) | 0.005% RDG + 2 last digit | 6-digit auto-resolution | Min threshold voltage: 2.5V |
Units: Hz, kHz, MHz, CPM, CPH, s, ms, us | ||||
Switch On-Off Measurement | Inspection voltage: (3 ~ 30)V | |||
Response speed: < 10ms, supports wet and dry switch | ||||
Pulse Count | 0 ~ 9999999, optional rising edge and falling edge | |||
Min threshold voltage: 2.5V | ||||
Loop Power | 20V ± 10%, max output impedance: 320Ω, max load current: 25mA | |||
Pressure Technichal Specifications | |
Pressure resolution | 4, 5, or 6 digit resolution (user selectable) |
Temperature Compensation | -10°C~50 °C |
Pressure Module Type | Built-in digital pressure module: ADT158Ex, for more detailed information, please see ADT 158Ex datasheet. External digital pressure module: ADT161Ex,for more detailed information, please see ADT 161Ex datasheet. |
Specifications | Refer to the technical specification of the ADT158Ex and ADT161Ex |
High Static Pressure and Differential Pressure Synthesis Index | Two modules must be with the same range; Typical Differential pressure accuracy of 0.002%FS or 0.02%RD, whichever is greater when using two 0.02%FS external modules. Typical Differential pressure accuracy of 0.002%FS or 0.05%RD, whichever is greater when using two 0.05%FS external modules. |
Compound Pressure | ||||||
P/N | Pressure Range | Media | Accuracy | Pressure Rating | ||
psi | bar | Burst | Over Pressure | |||
CP2 | ±2 | ±0.16 | G | 0.05% FS | 3x | 1.2x |
CP5 | ±5 | ±0.35 | G | 0.02% FS | 3x | 1.2x |
CP10 | ±10 | ±0.7 | G | 0.02% FS | 3x | 1.2x |
CP15 | ±15 | ±1.0 | G | 0.02% FS | 3x | 1.2x |
CP30 | -15 to 30 | -1 to 2.0 | G | 0.02% FS | 3x | 1.2x |
CP50 | -15 to 50 | -1 to 3.5 | G | 0.02% FS | 3x | 1.2x |
CP100 | -15 to 100 | -1 to 7.0 | G,L | 0.02% FS | 3x | 1.2x |
CP300 | -15 to 300 | -1 to 20 | G,L | 0.02% FS | 3x | 1.2x |
CP500 | -15 to 500 | -1 to 35 | G,L | 0.02% FS | 3x | 1.2x |
CP600 | -15 to 600 | -1 to 40 | G,L | 0.02% FS | 3x | 1.2x |
CP1K | -15 to 1,000 | -1 to 70 | G,L | 0.02% FS | 3x | 1.2x |
CP2K | -15 to 2,000 | -1 to 140 | G,L | 0.02% FS | 3x | 1.2x |
CP3K | -15 to 3,000 | -1 to 200 | G,L | 0.02% FS | 3x | 1.2x |
CP5K | -15 to 5,000 | -1 to 350 | G,L | 0.02% FS | 3x | 1.2x |
CP10K | -15 to 10,000 | -1 to 700 | G,L | 0.02% FS | 2x | 1.2x |
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