Temperature and Humidity Verification and Calibrator
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| Brand | Apogee |
|---|---|
| Origin | USA |
| Model Variants | SI-111, SI-121, SI-131, SI-1H1, SI-411 |
| Output Type | Analog Voltage (SI-1xx) / SDI-12 Digital (SI-4xx) |
| Field of View | 22.5° (SI-111/SI-411), 5° (SI-121/SI-421), 1° (SI-131/SI-431), 180° horizontal (SI-1H1/SI-4H1) |
| Spectral Range | 8–14 µm |
| Measurement Range | –60 °C to +110 °C |
| Calibration Uncertainty | ±0.2 °C (–20 °C to +65 °C), ±0.5 °C (–40 °C to +80 °C) |
| Response Time (95%) | 0.6 s |
| Sensitivity | 60 µV/°C |
| Operating Environment | –55 °C to +80 °C, 0–100% RH (non-condensing) |
| IP Rating | IP68 connector |
| Cable | 5 m, 4-conductor shielded twisted-pair, TPR jacket |
| Mass | 190 g (incl. cable) |
| Warranty | 4 years |
| Brand | Campbell Scientific |
|---|---|
| Model | TM320 |
| Origin | USA |
| Temperature Range | −20 to 70 °C |
| Temperature Accuracy | ±0.5 °C |
| Relative Humidity Range | 0 to 95 %RH (non-condensing) |
| RH Accuracy | ±2 %RH |
| Operating Environment | −20 to 70 °C |
| Power Supply | 4 × AA alkaline batteries or optional AC adapter |
| Memory Capacity | 32,000 data points |
| Sampling Interval | Adjustable from 1 second to 24 hours (in 10-second increments) |
| Alarm Function | User-configurable high/low limits with audible alert |
| Housing Material | Polycarbonate |
| Dimensions | 10.2 × 7.7 × 3.9 cm |
| Weight | 255 g (9 oz) |
| Certifications | CE |
| Origin | Imported |
|---|---|
| Manufacturer Type | Distributor |
| Model | HBW Series |
| Pricing | Upon Request |
| Accuracy Class | A (±0.1 °C), B (±0.2 °C to ±0.3 °C) |
| Measurement Range | HBW-1: −50 °C to +50 °C |
| HBW-2 | −50 °C to +80 °C |
| Sensor Element | IEC 60751-compliant Pt100 (α = 0.00385 Ω/Ω/°C) |
| Configuration | 4-wire RTD |
| Cable | Shielded 4-core, standard 10 m (custom lengths available) |
| Probe Dimensions | 70 mm sheath length, 4 mm sensing tip diameter, 10 mm sheath OD |
| Mass | 0.35 kg (including 10 m cable) |
| Calibration Interval | 2 years |
| Compliance | IEC 60751:2022, EN 60751, ASTM E1137/E1137M |
| Brand | RenKe |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | OEM/ODM Manufacturer |
| Country of Origin | China |
| Model | RS-WS-DY |
| Communication | FHSS Radio (868 MHz ISM Band) |
| Display | 2.8" LCD with Real-Time Temp/RH/Time/Address/Storage Status |
| Power Supply | 10–30 V DC (AC/DC Adapter Included for 220 V AC Input) |
| Operating Temperature (Electronics) | −20 °C to +60 °C |
| Operating Humidity (Electronics) | 0–80 %RH |
| Sensor Operating Range (Standard Probe) | −40 °C to +80 °C, 0–99 %RH |
| Sensor Operating Range (Optional −B Wide-Temp Probe) | −40 °C to +120 °C |
| Accuracy (Class A) | ±0.4 °C @ 25 °C, ±2 %RH @ 25 °C (5–95 %RH) |
| Accuracy (Class B, Default) | ±0.5 °C @ 25 °C, ±3 %RH @ 25 °C (5–95 %RH) |
| Resolution | 0.1 °C / 0.1 %RH |
| Long-Term Drift | ≤0.1 °C/year, ≤1 %RH/year |
| Response Time (Standard Probe) | ≤25 s (Temp), ≤8 s (RH) at 1 m/s airflow |
| Response Time (−B Probe) | ≤18 s (Temp), ≤6 s (RH) at 1 m/s airflow |
| Data Storage Capacity | 65,535 records |
| Recording Interval | 1–65,535 minutes (configurable, default 30 min) |
| Storage Duration (at 30-min interval) | ~4 years |
| Storage Mode | Auto-cyclic overwrite |
| Alarm Outputs | 2 programmable relay outputs (NO/NC), 1 internal buzzer (85 dB), optional external sound-light alarm interface |
| Calibration | Password-protected on-device offset calibration for temperature and humidity |
| Compliance | FCC Part 15 Subpart C, CE RED Directive 2014/53/EU, RoHS 2011/65/EU |
| Wireless Protocol | Proprietary FHSS (Frequency-Hopping Spread Spectrum), 868 MHz, 100 kbps data rate |
| Line-of-Sight Range | ≥800 m |
| Wall Penetration | 3–4 reinforced concrete walls |
| Max Nodes per RS-JSQ-W Gateway | 200 units |
| Enclosure Rating | IP65 (housing), IP67 (optional −B and −6 waterproof probe variants) |
| Brand | RenKe |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | China |
| Model | RS-YS-GPRS-Y-LY |
| Price | USD 105 (approx.) |
| Origin | Imported |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Model | HC2-S3 |
| Pricing | Available Upon Request |
| Temperature Sensing Element | Pt100 RTD (IEC 60751 Class B, 1/3 tolerance) |
| Temp. Range | −40 to +60 °C |
| Temp. Accuracy | ±0.1 K at 23 °C (standard) |
| Humidity Range | 0–100 % RH |
| RH Accuracy | ±0.8 % RH (3-point calibration: 10, 35, 80 % RH) / ±0.5 % RH (9-point calibration: 10–90 % RH in 10 % steps) |
| Operating Environment | −50 to +100 °C, 0–100 % RH |
| Supply Voltage | 3.2–5 VDC or 12 VDC |
| Output Signal | 0–1 VDC analog voltage |
| Connector | Stainless steel military-grade aviation connector (MIL-C-5015 compliant) |