Environmental Radon Measuring Instrument
Product model: HM-CD1


Product model: HM-CD1
1. An intelligent testing platform based on the Android system, with full touch operation, supporting various Chinese and English input methods such as handwriting and Pinyin;
2. Supports WIFI, wired network USB、 Various connection methods such as Bluetooth;
3. Soft power on/off, low voltage alarm, battery information, battery protection, no operation power saving, and automatic shutdown;
4. Operation and measurement prompt text and sound information;
5. Sensitivity: ≥ 0.6cpm/[Bq • m-3];
6. Background count rate: ≤ 0.3cpm;
7. Measurement range
Air radon (single/continuous): (3-100000) Bq/m ³
Soil radon: (300-1000000) Bq/m ³
Radon release rate (optional): (0.001~10.000) Bq/[m2 • s]
Radon in water (optional): (0.003-1000) Bq/L
8. Power supply: Lithium ion rechargeable battery/AC power;
9. Working environment temperature: -10 ℃~40 ℃ Humidity: Relative humidity ≤ 90%;
10. Detector: Zinc sulfide ZnS (Ag) and photomultiplier tube combination system;
11. Data storage: capable of storing more than 40000 pieces of data;
12. Operation mode: point measurement and continuous monitoring;
13. Display: 5-inch color LCD display, brightness 420 (TYP) (lumens), contrast ratio 500:1, capacitive, 5-point touch operation;
14. Gas extraction method: active pump suction;
15. Response time: Under typical conditions, air radon measurement takes 20 minutes;
16. Print data: task name, address, remarks, date, time, point number, and radon concentration;
17. Size: 260mm × 170mm × 130mm
18. Weight: 4kg (main unit)
1. One radon detector host
2. One charger
3. One certificate of conformity
4. One copy of packing list
5. One verification certificate
6. One set of soil sampling system
7. One Bluetooth printer











1. Introduction1.Document Version: V1.02.White Paper Compilation Unit: Shandong Hengmei Electronic T···...
Why is precise monitoring of carbon dioxide necessary?Today, with the increasing attention to carbon···...
As an important component of modern buildings, the hygiene status of centralized air conditioning an···...
In highly clean environments such as pharmaceutical workshops, operating rooms, and biological labor···...
In industries such as pharmaceuticals, healthcare, and food processing that require strict clean env···...
I. IntroductionDocument Version: V1.0Compilation Unit: Shandong Hengmei Electronic Technology Co., L···...
In the field of modern industry and technology, air cleanliness is no longer an optional standard, b···...
Industry application white paper for aerosol photometers: HEPA filter leak testing in pharma, semico···...