Description
UNI-T UT3248+ Multi-channel Temperature Tester (-200~1800℃ ; 48CH)
The UNI-T UT3248+ is the 48-channel member of the UT3200+ series multi-channel temperature testers, designed to acquire and display many thermocouple signals simultaneously on a 4.3-inch true-color LCD. It supports a wide range of thermocouple types (J, K, T, E, S, N, B, R) and presents data as direct numeric readouts, histograms or real-time curves, making it convenient for both spot checks and trend observation.
Engineered for production, laboratory and R&D environments, the UT3248+ accepts the series’ modular 8-channel test modules (six groups for the 48-channel model) and includes features such as automatic open-circuit thermocouple detection, cold-junction compensation, data logging to USB, and over-limit alarms with color and audible indication to flag excursions.
The instrument provides flexible communication (USB HOST, RS-232C, LAN, optional RS-485), supports SCPI and Modbus RTU protocols for remote control and data transfer, and stores test data as CSV files on USB. Its design balances high channel density with straightforward operation and is intended for multi-point temperature monitoring where consolidated, timestamped records are required.
Features:
- 4.3-inch true-color LCD with numerical, curve and histogram displays.
- Supports thermocouple types J, K, T, E, S, N, B, R.
- Very wide measurement range (-200 ℃ to 1800 ℃, depending on TC type).
- 0.01 ℃ resolution; main parameters display in 6 digits.
- Automatic open-circuit thermocouple detection and cold-junction compensation.
- Two sampling rates (slow/fast) and MIN/MAX / comparator alarm (upper/lower limit).
- USB HOST + 8GB USB support for real-time recording and screenshots (CSV output).
- RS-232C, LAN and DC24V interfaces; supports SCPI and MODBUS RTU for remote control.
- Modular 8-channel test modules (enables 48-channel configuration via 6 modules).
Specifications:
| Parameter | Value |
|---|---|
| Model: | UT3248+ (UT3200+ series — 48 channels) |
| Channels: | 48 (configured via six 8-channel modules) |
| Display: | 4.3-inch true-color LCD; numerical/curve/histogram |
| Thermocouple Types: | J, K, T, E, S, N, B, R |
| Test Range: | −200.0 ℃ to 1800.0 ℃ |
| Resolution: | 0.01 ℃ |
| Accuracy (cold junction): | ±0.5 ℃ (cold-junction compensation) |
| Interfaces: | USB HOST, RS-232C, LAN, DC24V; RS-485 optional |
| Protocols: | SCPI and MODBUS RTU |
| Power: | AC 100–240 V, 50/60 Hz (max power ~10 VA) |
| Isolation between channels: | 350 VDC / 230 VAC |
| Size: | 214 × 88.2 × 330.3 mm |
| Weight (net): | ~3.4 kg |
| Operating environment: | 10–40 ℃ (operation); storage 0–50 ℃ |
Applications:
- Production-line multi-point temperature monitoring.
- Laboratory and R&D temperature testing.
- Quality-control departments and testing stations.
- Power supply / motor / heating appliance temperature checks.
- Industrial process and automation temperature monitoring.
Package Contents:
- 1x Multi-channel Temperature Tester (the actual model ordered — here: UT3248+).
- 1x Power line (AC mains cord).
- 1x 8 GB USB (for data logging).
- 6x 8-channel Temperature Test Modules (UT3248+ is equipped with 6 groups; each module contains 8 Type-K test leads).
- 1x RS-232 communication line.
- 1x User’s Manual (electronic file downloadable from UNI-T website)
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