Portable Temperature and Humidity Measurement

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In the processes of production, packaging, storage, and transportation, relative humidity measurement is critical for ensuring product quality and is subject to stringent regulations in the food and pharmaceutical industries. We offer a comprehensive range of high-precision humidity measurement devices, including handheld instruments, data loggers, and analog or digital output transmitters, which can be used to monitor and control environmental and process conditions across various industries—including hazardous (ATEX) environments.

| HygroPalm - HP31

The HP31 is a handheld temperature and humidity meter equipped with a fixed probe, capable of on-site measurement and recording of relative humidity, temperature, and humidity parameters. It is suitable for field inspections and random checks in areas such as HVAC, pharmaceuticals, and building management systems.

Feature

√ Relative humidity, temperature, and humidity calculations
√ Application range: -10~60℃ / 0~100% RH
√ Data storage function for 64,000 sets of data
√ Long battery life (up to 48 hours with a recording interval of every 30 seconds)
√ Freely configurable audio and visual alarms for each value

| HygroPalm - HP32

The HygroPalm HP32 can be connected to all Rotronic HC2A and HC2 probes, enabling it to measure relative humidity and temperature, perform all necessary humidity calculations, and feature trend indication and hold functions for locking measurement values. It is widely used in field inspections and spot checks in the HVAC industry, building management systems, the agricultural and food industries, and the pharmaceutical industry.

Feature

√ Relative humidity, temperature, and humidity calculation
√ Up to 4 values displayed with both text and images
√ Customizable audio and visual alarms
√ Data storage function for 64,000 sets of data
√ Long battery life (up to 48 hours with a recording interval of every 30 seconds)

| HygroPalm HP23-A

The HygroPalm HP23-A is a high-end handheld meter produced by Rotronic. In addition to measuring temperature and humidity, it can also calculate humidity parameters and offers a variety of additional functions. The HP23-A is a fully functional data logger that allows you to record measurement values simply by pressing a button. Moreover, via a communication cable, all Rotronic AirChip 3000 series transmitters can be calibrated using the HP23-A.

Portable applications in HVAC, the pharmaceutical industry, building management systems, museums, warehouses, and many other fields.

Feature

√ Data storage function for 10,000 sets (with date, time, and batch number)
√ Supports 2-channel probes, compatible with all types of HC2 probes or third-party analog probes.
√ The HF3, HF4, HF5, HF7, and HF8 transmitters can be calibrated via the communication cable.
√ All psychrometric parameter calculations
√ Integrated real-time clock
√ Battery charging function
√ Communication interface (USB)
√ Accuracy: Depends on the probe

| Temperature and Humidity Logger HYGROLOG HL-1D / BL-1D / TL-1D

Three logger types available:

● HL-1D: Humidity and Temperature
● BL-1D: Process pressure, dew point, humidity, and temperature
● TL-1D: Temperature, high storage capacity: 64,000 sets of data

Feature

√ Accuracy: Humidity ±3% RH at 25℃ ±5K (10~90% RH)

Temperature ±0.3℃ at -20~70℃ / ±0.5K for others

Pressure ±3 hPa @ 0~65℃ / ±5 hPa others

√ Operating range: -30~70℃ / 0~100% RH (no condensation)
√ Free evaluation and configuration software HW4-lite
√ Large storage capacity: 32,000 sets of data; TL-1D supports 64,000 sets of data.
√ Can display MIN/MAX/AVG values
√ Recording interval: 30s–24h
√ Compliant with FDA 21 CFR Part 11/GAMP 5

Recording mode

You can switch between start/stop mode or endless mode, adjust the interval, or use the automatic start function to begin logging mode.

HL-1D Humidity and Temperature Data Logger

The HL-1D is Rotronic’s best-selling model and is a humidity logger designed for small to medium-sized applications.

BL-1D Environmental Pressure and Dew Point Humidity Data Logger

In addition to humidity and temperature, the BL-1D can also record ambient pressure and dew point.

TL-1D Temperature Data Logger

The TL-1D Temperature Data Logger: Compact, accurate, and low-cost.

| Rotronic Hygropalm HP Series Handheld Temperature and Humidity Meter

	HP31	HP32	HP23A
Parameter / Calculate	Humidity and temperature / Calculate all humidity.
Type	Fixed probe	1 Interchangeable HC2A Probe	2 Interchangeable HC2A Probe
Measurement range	-10…60 Celsius / 0…100 %RH	Depending on the probe, usually -50…100 Celsius HC2A-S
Humidity sensor	ROTRONIC HYGROMETER® IN-1	Depending on the probe, usually ROTRONIC Hygrometer HT-1 HC2A-S
Humidity accuracy	±2% RH at 25°C Celsius	Depending on the probe, usually ±0.8 %RH HC2A-S
Temperature sensor	NTC	Depending on the probe, usually PT100 1/3 DIN B Level HC2A-S
Temperature accuracy	±0.3 °K	Depending on the probe, usually ±0.1 °K HC2A-S
Memory	64000 item		20000 Data point
Recording interval	1s…24h		5s… 1h
Function	Minimum / Maximum / Average
Size	250 x 65 x 30 mm	160 x 65 x 30 mm	196 x 72 x 35 mm

	HP31	HP32	HP23A
Parameter / Calculate	Humidity and temperature / Calculate all humidity.
Type	Fixed probe	1 Interchangeable HC2A Probe	2 Interchangeable HC2A Probe
Measurement range	-10…60 Celsius / 0…100 %RH	Depending on the probe, usually -50…100 Celsius HC2A-S
Humidity sensor	ROTRONIC HYGROMETER® IN-1	Depending on the probe, usually ROTRONIC Hygrometer HT-1 HC2A-S
Humidity accuracy	±2% RH at 25°C Celsius	Depending on the probe, usually ±0.8 %RH HC2A-S
Temperature sensor	NTC	Depending on the probe, usually PT100 1/3 DIN B Level HC2A-S
Temperature accuracy	±0.3 °K	Depending on the probe, usually ±0.1 °K HC2A-S
Memory	64000 item		20000 Data point
Recording interval	1s…24h		5s… 1h
Function	Minimum / Maximum / Average
Size	250 x 65 x 30 mm	160 x 65 x 30 mm	196 x 72 x 35 mm

| Temperature and Humidity Logger HYGROLOG HL-1D / BL-1D / TL-1D

	HL-1D	BL-1D		TL-1D
Parameter	Humidity and temperature	Pressure, dew point, humidity, and temperature		Temperature
Measurement range	-30…70 Celsius / 0…100 %RH No condensation
Humidity sensor	ROTRONIC HYGROMETER® IN-1
Humidity accuracy	±3% RH at 25°C Celsius ±5K (10…90 %RH)
Temperature sensor	NTC
Temperature accuracy	±0.3 K at -20…70 Celsius / ±0.5 K Other
Pressure sensor	Bosch BMP280
Pressure accuracy	±3 hPa @ 0…65 Celsius / ±5 hPa Other
Dew point	Calculation ( %RH and ℃)
Memory	32000 Data item		64000 Data item
Recording interval	30s…24h
Function	Minimum / Maximum / Average
Display	Display and 2 LEDs
Size	90 x 60 x 23 mm