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Introduction
The DTG Smart Dry Block Calibrator is a portable high-low temperature constant temperature source featuring high temperature control accuracy, rapid heating/cooling rates, and a uniform temperature field. It is well-suited for on-site temperature calibration. The device integrates a high-precision electrical measurement module, breaking the limitation of traditional dry block calibrators that only control temperature. It is capable of calibrating thermocouples, RTDs, and temperature transmitters, simultaneously realizing temperature control, signal acquisition, data processing, and conformity assessment. It supports data storage and standard calibration report output, achieving the integration of temperature control, electrical measurement, and data traceability. This makes it suitable for both laboratory precision verification and on-site calibration scenarios.
Selection Guide
| Feature | Details | DTG | DTG-MU |
|---|---|---|---|
| Multi-point Auto Calibration | Multi-point self-correction; one-click auto-calibration. | • | • |
| Adaptive Smart Temp Control | PID self-tuning; auto-adjusts to load/medium characteristics. | • | • |
| Language Support | EN/CN switch; customizable temp units (℃/℉). | • | • |
| Communication | RS232, RS485, WiFi, LAN; USB data export. | • | • |
| Adjustable Ramp Rate | Multi-point programming; auto heat/cool/setpoint switching. | • | • |
| Reference Channel | Dedicated independent standard input; isolated temp control & reference measurement. | • | • |
| UUT Channels | RTD, TC, DCI, DCV, loop power, temp switch. | • | |
| High-Precision Measurement | 6½/7½-digit module; resolution 0.0000001℃. | • | |
| Auto Data Processing | Auto pass/fail judgment per UUT accuracy; standardized report output. | • | |
| Multi-Channel Sync Acquisition | Auto-scans all channels; syncs temp field & UUT data. | • | |
| Indication Calibration | Unlimited temp points & sampling counts. | • | |
| Switch Calibration | Up/down stroke support; oil-surface temp controller compatible. | • | |
| Mass Data Storage | 8GB internal; stores 100k+ calibration records. | • |
Technical Parameters
| Model | DTG-MU1200G | DTG-MU660AG | DTG-MU660BG | DTG-MUN40AG | DTG-MUN40BG |
|---|---|---|---|---|---|
| Range (℃) | 300 - 1200 | 50 - 660 | 50 - 660 | -40 ~ 150 | -40 ~ 150 |
| Display Accuracy (℃) | ±0.2 | ±0.4 | ±0.35 ~ ±0.5 | ±0.2 Full Range | ±0.2 Full Range |
| Stability (℃) | ±0.4 | ±0.1 | ±0.03 ~ ±0.05 | ±0.1 | ±0.01 Full Range |
| Axial Uniformity within 40mm (℃) | / | ±0.5 | ±0.05 @ 50; ±0.35 @ 420; ±0.5 @ 660 | / | ±0.1 @ -40; ±0.05 @ 0; ±0.07 @ 150 |
| Radial Stability (℃) | ±1.0 | ±0.15 | ±0.02 @ 50; ±0.05 @ 420; ±0.1 @ 660 | ±0.2 | ±0.01 Full Range |
Electrical Measurement Specifications
| Channel | Measurement | Range | Accuracy | Resolution | Sensor Type | Other |
|---|---|---|---|---|---|---|
| Standard Channel | SPRT | 0~400Ω -196°C~850°C | ±0.002Ω @ (0~50)Ω ±40ppm reading @ (50~400)Ω | 0.001mΩ | Pt25, Pt100, Smart Sensors (RTD, SMP, etc.) | Measurement Method 4-wire RTD Constant Current Reversal Measurement |
| TC | 0~100mV | ±(0.02%RD + 5μV) | 0.001μV | S, B, R, T | Built-in CJC Accuracy ±0.35°C (0~50°C) | |
| Device Under Test Channel | RTD | 0~400Ω -200°C~850°C | ±0.002Ω @ (0~25)Ω ±80ppm reading @ (25~400)Ω | 0.001mΩ | ITS90(Cu50, Cu100, Pt50, Pt100, PtX), CVD, IEC60751, NiCrNi, SMP | Measurement Type 2- / 3- / 4-Wire |
| TC | 0~100mV | ±(0.02%RD + 5μV) | 0.001μV | K, N, T, J, E, R, S, B WRe3, WRe5 | Built-in CJC Accuracy ±0.35°C (0~50°C) | |
| DCI | 0~20mA | ±(0.02%RD + 2μA) | 1nA | / | / | |
| DCV | 0~10V | ±(0.02%RD + 2mV) | 1μV | / | Input Impedance > 1MΩ | |
| Loop Power | Type: DC 24V; Max Load 60mA | |||||
| Temperature Switch | Type: Passive Switch; Temperature Switch, Liquid Level/Winding Thermostat, Pressure Thermometer, Bimetallic Thermometer | |||||
| Previous:DTG-MU660AG Smart Dry Block Calibrator (Electrical Testing Version) | next:DTZ-MBC Multi-Bath Cluster Platinum Resistance calibration system |
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