Product Name TongAo TR-205H Total chromium (chromium ion) Tester TongAo TR 6900Cr Desktop STIP-scan
Product Price $816.00 $1622.00
Details Details
Model comparison
Type Single parameter Single parameter
Style Portable desktop
Detection Principle Photometric Photometric
Measurement parameters Heavy Metals Heavy Metals
Range PPM Level PPM Level
Accuracy ±5%FS ±5%FS
Resolution 0.01 0.01
Data Output USB Bluetooth USB
IP Rating
Parameter comparison
Measurement parameter Total chromium Total chromium
Measurement Range 0-5Mg/L (segmented) 0-5 mg/L
detection lower limit 0.01mg/L 0.01mg/L
Digestion environment 125℃,30min 125℃,30min
Measurement time 45~ 55 minutes
measurement error ≤±5% ≤±5%
Repeatability ≤±5% ≤±5%
Optical inspection Stability ≤ +/- 0.001A/20 minutes (100,000 hours life) ≤ +/- 0.001A/20 minutes (100,000 hours life)
Colorimetric method Colorimetric tube (digestion Colorimetric tube) Digestion Colorimetric tube
batch Volume 6 pcs, 16 pcs, 25 pcs (optional) 16/25 water samples/batch
data storage 4000 records, 96 Linear dispersion (support user-defined calibration) 30,000 records (including item, date, time, sample ID, etc.)
transmission method USB data cable, LAN, Bluetooth transmission, etc. (optional)
printer Portable thermal printer (optional) Built-in thermal printer
operation interface Chinese/English (optional) Membrane push-button operation, Chinese/English (optional)
Power supply 5V rechargeable battery AC(220V±10%),50Hz
power 0.3W 5W
Host Size 240*95*80mm 348*250*145mm
instrument weight Host: 0.5kg; Digestion instrument: 1.37kg Main unit less than 2.6kg
Environment temperature 5~40℃ 5~40℃
Environment humidity ≤ 85% non-condensing ≤ 85% non-condensing