AI-501A Measuring Instruments for Temperature With CE, ISO, UL Certificate
AI-501A Measuring Instruments for Temperature with CE, ISO, UL Certificate
Main Features for AI-501A Measuring Instruments for Temperature with CE, ISO, UL Certificate
- Programmable and modular inputs, supporting multiple input types of thermocouples, RTDs, voltage/ current and two-wire transmitters. Suitable for measuring and displaying temperature, pressure, flow, level, humidity, etc with measurement accuracy of 0.3% full scale.
- Supports up to 4 loops of alarm including 2 loops of high limit alarms plus 2 loops of low limit alarms. Alarms can be outputted to different relay or share one.
- With functions of digital calibrating, digital filtering, and thermocouple cold junction auto compensating, it si fee of maintenance and easy operated.
- Supports RS485 communication interface, able to communicate with computers/PLC.
- Temperature retransmission at combined accuracy 0.5% FS through X3 (0.2%FS) high precision current output module.
- High quality and performance hardware design, using high performance tantalum capacitor or ceramic capacitor. Compared to competing models, it consumes less electricity, experiences less temperature shifting, provides higher stability and reliability and can work in a wider range of temperature. The power and I/O terminals have passed the anti-interference test of 4KV/5KHz burst of pulses.
- Universal 100-240V power supply, with thunderbolt proof and 10 seconds protection from connecting to 380VAC by mistake.
Technical Specifications for AI-501A Temperature Measuring Instruments with CE, ISO, UL Certificate
1. Input type:
Thermocouple: K, S, R, E, J, N.
Resistance temperature detector: Cu50, Pt100.
Linear voltage: 0~5V, 0~1V, 0~500mV,0~100mV, 0~60mV, 0~20mV, 100~500mV, 0~10V, 0~20V.
Linear current (should connect a external resistor or install I4 module in MIO slot): 0~20mA, 4~20mA.
Linear resistor: 0~80ohm, 0~400ohm.
Alternating current: 0~5A.
Alternating voltage: 0~500VAC.
2. Instrument Input range:
K(0~1300℃), S(0~1700℃), R(-0~1700℃), E(0~800℃), J(0~1000℃), N(0~1300℃);
Cu50(-50~150℃), Pt100(-200~800℃);
Linear Input: -9990~30000 unit defined by user.
3. Measurement accuracy:
0.3%FS±1℃ measurement unit.
4. Temperature display resolution:
0.1℃ for K, E, N, J, Cu50. Pt100; 1℃ for S, R.
5. Electromagnetic compatibility (EMC):
IEC61000-4-4, ±4KV/5KHz; IEC61000-4-5, 4KV.
6. Alarm function:
High limit, Low limit, second high limit and second limit.
7. Temperature shift:
≤0.015%FS/℃ (typical value is 75ppm.℃)
8. Retransmission:
When X3 or X5 current module is installed in OUTP slot, process value (PV) can be retransmitted to standard current with maximum load resistor 500ohm.
9. Power supply voltage rating:
100-240VAC, -15%, +10% / 50-60Hz; 24VDC/AC, -15%, +10%.
10. Isolation withstanding voltage:
Between power, relay contact or signal terminals ≥2300VDC; between isolated electroweak signal terminals ≥600VDC.
11. Control period:
0.24~300.0 seconds selectable, and it should be interger times of 0.5 second.
12. Power consumption:
≤5W.
13. Operation ambient:
Temperature: -10~+60°C, Humidity: 0~90%RH.
Ordering Code Definition for AI-501A Measuring Instruments for Temperature with CE, ISO, UL Certificate
The ordering code of AI-501 series instrument is made up of 8 parts. For example:
AI-501 A N X3 L5 N S4 - 24VDC
1 2 3 4 5 6 7 8
Part 1 Model of the instrument
AI-501 Indicating/ Alarming Instrument with dual display measurement accuracy of 0.3%FS.
Part 2 Dimension
| Size | Front Panel (W*H) | Cut Out (W*H) | Depth Behind Mounting Surface | Light Bar |
| A/A1 | 96*96mm | 92*92mm | A:100mm/ A1:70mm |
|
| A2/A21 | 96*96mm | 92*92mm | A2:100mm/ A21:70mm |
25 segments and 4 levels |
| B/B1 | 160*80mm | 152*76mm | B:100mm/ B1:70mm | |
| B2/B21 | 160*80mm | 152*76mm | B2:100mm/ B21:70mm | 25 segments and 4 levels |
| C/C1 | 80*160mm | 76*152mm | C:100mm/ C1:70mm | |
| C3/C31 | 80*160mm | 76*152mm | C3:100mm/ C31:70mm | 50 segments and 2 levels |
| D | 72*72mm | 68*68mm | 95mm | |
| D2 | 48*48mm | 45*45mm | 95mm | |
| E/E1 | 48*96mm | 45*92mm | E:100mm/ E1:70mm | |
| E2/E21 | 48*96mm | 45*92mm | E2:100/ E21:70mm | 25 segments and 4 levels |
| F/F1 | 96*48mm | 92*45mm | F:100/ F1:70mm | |
| F0/F10 | 96*48mm (large front) | 92*45mm | F0:100mm/ F10:70mm |
Part 3 Multiple Functions I/O (MIO)
V5/V10, V12/V24, I4, I7, I8
Part 4 Main Output (OUTP)
Installing X3 or X5 (isolated type) current output module can retransmit process value (PV).
Part 5 Alarm (ALM)
Installing L1, L2 or L4 relay output module or L5 dual relay output module to output alarms.
Part 6 Auxiliary Output (AUX)
Installing L1, L2, L4 or L5 relay output module to output alarms.
Part 7 Communication (COMM)
Installing S or S4 module to communicate via RS485 interface.
Part 8 Power Supply
Null indicates 100~240VAC power supply, and "24VDC" indicates 20~32VDC/AC power.
Front Panel and Operation for AI-501A Measuring Instruments for Temperature

Wiring Graph for AI-501A Measuring Instruments for Temperature with CE, ISO, UL Certificate
The compensation wires for different kinds of thermocouple are different, and should be directly connect to the terminals. Connecting the common wire between the compensation wire and the terminals will cause measurement error.
You will get:
A piece of temperature indicator;
A paper of user manual;
One-year/ 3-year warranty card and Quality Approval card;
A lable of units;
A pair of installaton brackets;
Nice package carton box with Yudian logo.

- Factory with 26 years experience.
- Three to ten years warranty time.
- Quick delivery ( within 3 working days).
- Retail/ Wholesale/ OEM/ ODM available.
- Better price for bulk order.
- We provide after sales service and technical assistance as customers requirement and needs.
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