A57 BT Temperature Humidity Datalogger

A57 BT Bluetooth Temperature-Humidity Datalogger uses low-power microprocessors, equips internal temperature sensor and measures temperature and humidity via connecting external temperature probe or temperature-humidity probe. It features high accuracy, large storage, LED audible and visible alarm, APP and PC software connection, report export, etc. It is widely used in fields of food processing, cold-chain transportation, warehousing, etc.

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Data Sheet

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Key Features

Features

Language: EN, FR, DE, IT, ES, SV, PL, CZ

1. Wide Range: -40℃~85℃

2. Supports Multiple Sensors

3. Bluetooth APP and PC Analysis Software

4. Long Working Time: Up to 2 years

5. Audible and Visible Alarm

6. IP54 Protection

7. 64000 Sets of Data Storage

8. Magnetic Wall-Mounted Design

Model

A57 BT

Technical Specification

Characteristics
Specifications
External Temperature Humidity sensor	Temperature	-40℃ ~ 85℃ (-40℉ ~ 185℉)
	Humidity	0%～100% RH
	Temperature	Range	Accuracy
		0℃≤ t ≤60℃	±0.3℃
		-40℃≤ t ＜0℃	±0.5℃
		60℃＜ t ≤85℃	±0.5℃
		32℉≤ t ≤140℉	±0.6℉
		-40℉≤ t ＜32℉	±0.9℉
		140℉＜ t ≤185℉	±0.9℉
	Humidity	Range	Accuracy
		0%≤ RH ≤90%	±2.5%RH（25℃）
		90%＜ RH ≤100%	±3.5%RH（25℃）
Internal NTC Temperature Sensor	Range	-40℃ ~ 85℃ (-40℉ ~ 185℉)
	Accuracy	0℃≤ t ≤60℃	±0.4℃
		-40℃≤ t ＜0℃	±1.0℃
		60℃＜ t ≤85℃	±1.0℃
		32℉≤ t ≤140℉	±0.8℉
		-40℉≤ t ＜32℉	±2.0℉
		140℉＜ t ≤185℉	±2.0℉
External NTC Temperature Sensor	Range	-40℃ ~ 85℃ (-40℉ ~ 185℉)
	Accuracy	-20℃≤ t ≤40℃	±0.5℃
		-40℃＜ t ＜-20℃	±1.0℃
		40℃＜ t ≤85℃	±1.0℃
		-4℉≤ t ≤104℉	±0.9℉
		-40℉＜ t ＜-4℉	±2.0℉
		104℉＜ t ≤185℉	±2.0℉
Temperature/Humidity Resolution	0.1℃(0.1℉)/0.1%RH
Record Capacity	64000 sets
MAX/MIN/AVG	✔
LED Indicators	✔
Backlight	✔
Buzzer Alarm	✔
PC Software	✔
Mobile App	✔
Low Battery Indication	✔
Unit Switch	℃, ℉
Record Interval	10s～ 24h (Set through the PC/App)
Start-up Ways	Buttons/Software/Booking
Time of Screen OFF	15s±2s (Set through the PC/App)
USB Port	USB Type-C
USB Power Supply	✔
Working Time	2yr
Hangings Way	Rear magnetic or Wall mounting
Working Temperature and Humidity	-40℃～+85℃，≤99%RH
Storage Temperature	-40℃～+85℃ (Not battery included)
IP Rating	IP54
Battery Type	Single-use Li-SOCl2 Battery 3.6V 2700mAh (ER14505)
Size	104×62×25mm
Weight	About 110g (Battery included)
Standard Accessories	Gift box, quick start guide, safety instruction, download operation guide, battery, wall-mounted Screws2, expandable rubber plug2, USB cable, External temperature humidity sensor
Standard Quantity Per Carton	20pcs

specifications	Range	Accuracy
AC Voltage Detection	0.010Ω-0.199Ω 0.010Ω-0.199Ω 0.010Ω-0.199Ω	±（1%＋0.02Ω） ±（1%＋0.02Ω） ±（1%＋0.02Ω）
Current (AC)	0.010Ω-0.199Ω 0.010Ω-0.199Ω 0.010Ω-0.199Ω	±（1%＋0.02Ω） ±（1%＋0.02Ω） ±（1%＋0.02Ω）
Features
Jaw size	0.010Ω-0.199Ω
Timer	✔