ONMEAS ATQ4900 Multi-Channel Temperature Tester (100 CH; -200°C ~ 1800°C)

Number of Channels: Temperature/Voltage/Low Resistance: 100 channels (10 channels per module); Current: 50 channels (5 channels per module); Up to 10 modules configurable based on requirements

Thermocouple Type: Thermocouple J/K/T/E/S/N/B/R type; Voltage; Low Resistance; Current

Resolution: 0.01°C

Scan Speed: Voltage/Current: Fast 500ms, Slow 1s; Low Resistance: 60ms/channel (manual range)

Calibration: Per-channel error correction

Test Terminal Voltage: Channel-to-channel isolation voltage: DC 350V, AC 230V (for temperature measurement only)

Test Range: Temperature: -200°C to 1800°C; Low Resistance: 1μΩ to 200kΩ; Current: 0 to 5A (minimum resolution 0.001mA); Voltage: 100.00V 0.05%; 10.000V 0.05%; 1.0000V 0.05%; 100.00mV 0.1% (Test range varies depending on sensor type)

Basic Accuracy: ±0.2% ±2 digits (excluding thermocouple)

Cold Junction Compensation: Accuracy 0.5°C

Other Functions: Comparator: High/Low alarm; Independent high/low limit settings per channel; Buzzer: On/Off; Display: Full-touch mirror panel with numerical values, temperature bar graph, and temperature curve; Upper/lower limit and average value display; Standard 64GB built-in memory; Open thermocouple detection

Net Weight: 10kg

Voltage: 100V-240VAC

Frequency: 47.5-52.5Hz

Power: max 10VA

Interface: LAN interface, Type-C communication interface, RS-232 interface and USB interface, optional RS485 interface

Other: Thermocouple length 2 meters (thermocouples corresponding to channel count included with device); Type-C communication cable; data acquisition software

Manual