Dickson THDx Temperature, Humidity and Dew Point Chart Recorder
Dickson Data Loggers. Accuracy: ±1.8°F (±1.0°C), Accuracy: ±2% RH (0–60% range), Accuracy: ±2°C (95–30% RH).
- Model
- Dickson THDx
- Calibration
- Available on request
- Price
- $325
- Status
- In stock
- RFQ ref
- THDx
This unit
The Dickson THDx is an 8-inch circular chart recorder engineered for continuous monitoring and archival of temperature, humidity, and dew point across critical environments. Microprocessor control and electronic sensing deliver precise, real-time data collection with dual-parameter digital display and user-selectable recording intervals of 24 hours, 7 days, or 31 days.
Technical Specifications Temperature Measurement
Selectable ranges: -20 to +120°F (-20 to +50°C) or +40 to +110°F (+5 to +40°C)
Accuracy: ±1.8°F (±1.0°C)
Sensor: Thermistor with 2.5 minute average response time at 63% full scale Humidity Measurement
Range: 0 to 95% RH (non-condensing)
Accuracy: ±2% RH (0–60% range), ±3% RH (60–95% range)
Sensor: Monolithic IC humidity sensor or thin film capacitor Dew Point
Range: -22 to +122°F (-30 to +50°C)
Accuracy: ±2°C (95–30% RH), ±4°C (30–10% RH), ±8°C (10–5% RH), ±49°C (5–0% RH) Display & Recording
8 inch (20.3 cm) circular chart with selectable 24-hour, 7-day, or 31-day cycles
LCD digital display: dual simultaneous parameter readout with 1°F (1°C) and 1% RH resolution Environmental
Operating: 32 to +122°F (0 to 50°C), 0 to 95% RH non-condensing
Power: AC adapter (120 VAC recommended) with four "D" battery backup
Key Features
Audio/visual alarms with independently adjustable high/low setpoints
Remote sensing capability; extension cords available in 10', 50', and 100' lengths
Switchable display units: °F/°C and RH/dew point
Min/max data capture for trend analysis
User calibration access for all measured variables
Locking control keypad and door for secure operation
Standard connector interface for remote probe connectivity
Typical Applications
Laboratory and clean room environmental monitoring
HVAC system performance validation
Manufacturing process control and compliance documentation
Storage facility climate verification
Specifications
| Parameter | Value |
|---|---|
| Voltage / Current Range | 120V AC adapter |
Dickson THDx — Repair & Calibration Service
Aumictech offers NIST-traceable calibration and repair for the Dickson THDx. All calibrations are performed to NIST-traceable standards and ship with a certificate. Turnaround is typically 1–3 business days after receipt.
Dickson THDx price
This Dickson THDx is listed at $325. Calibration is available separately from $450. Contact us for volume pricing or if you need multiple units.
Dickson THDx calibration cost
NIST-traceable calibration for the Dickson THDx is $450 (standard — pass/fail certificate and calibration sticker) or $650 (full measured data at every test point, reference standards documented, traceability chain included). Turnaround is 1 to 3 business days after receipt. See full calibration details →
