Products
Radiation Detection Products and Measurement Solutions
Indo FlexDos supplies radiation detection products and measurement solutions, including Arrow-Tech direct-reading dosimeters for Gamma and X-Ray dose indication, flexible packaging such as films and pouches, and paper packaging such as corrugated boxes and folding cartons.
Direct-Reading Dosimeters
Indo FlexDos is an official distributor of Arrow-Tech, Inc. direct-reading dosimeters for measuring accumulated Gamma and X-Ray dose, plus compatible charging accessories. Contact us with questions about a model.
About Arrow-Tech, Inc.
Direct-Reading Dosimeter — W138
The W138 is a pocket-size carbon-fiber electroscope with an ion chamber for measuring accumulated Gamma and X-Ray exposure. Its direct-reading scale covers 0–200 mR and it has a hardened sapphire viewing window.
- Range
- 0–200 mR

Direct-Reading Dosimeter — W138-S
The W138-S is a pocket-size carbon-fiber electroscope with an ion chamber for measuring accumulated Gamma and X-Ray exposure. Its direct-reading scale covers 0–2 mSv and it has a hardened sapphire viewing window.
- Range
- 0–2 mSv

Direct-Reading Dosimeter — W500
The W500 is a pocket-size carbon-fiber electroscope with an ion chamber for measuring accumulated Gamma and X-Ray exposure. Its direct-reading scale covers 0–500 mR and it has a hardened sapphire viewing window.
- Range
- 0–500 mR

Direct-Reading Dosimeter — W500-S
The W500-S is a pocket-size carbon-fiber electroscope with an ion chamber for measuring accumulated Gamma and X-Ray exposure. Its direct-reading scale covers 0–5 mSv and it has a hardened sapphire viewing window.
- Range
- 0–5 mSv

Direct-Reading Dosimeter — W720
The W720 is a pocket-size carbon-fiber electroscope with an ion chamber for measuring accumulated Gamma and X-Ray exposure. Its direct-reading scale covers 0–2 R and it has a hardened sapphire viewing window.
- Range
- 0–2 R

Direct-Reading Dosimeter — W725
The W725 is a pocket-size carbon-fiber electroscope with an ion chamber for measuring accumulated Gamma and X-Ray exposure. Its direct-reading scale covers 0–5 R and it has a hardened sapphire viewing window.
- Range
- 0–5 R

Direct-Reading Dosimeter — W725-S
The W725-S is a pocket-size carbon-fiber electroscope with an ion chamber for measuring accumulated Gamma and X-Ray exposure. Its direct-reading scale covers 0–50 mSv and it has a hardened sapphire viewing window.
- Range
- 0–50 mSv

Direct-Reading Dosimeter — W730
The W730 is a pocket-size carbon-fiber electroscope with an ion chamber for measuring accumulated Gamma and X-Ray exposure. Its direct-reading scale covers 0–20 R and it has a hardened sapphire viewing window.
- Range
- 0–20 R

Direct-Reading Dosimeter — W735
The W735 is a pocket-size carbon-fiber electroscope with an ion chamber for measuring accumulated Gamma and X-Ray exposure. Its direct-reading scale covers 0–50 R and it has a hardened sapphire viewing window.
- Range
- 0–50 R

Direct-Reading Dosimeter — 740
The 740 is a pocket-size carbon-fiber electroscope with an ion chamber for measuring accumulated Gamma and X-Ray exposure. Its direct-reading scale covers 0–100 R and it has a hardened sapphire viewing window.
- Range
- 0–100 R

Direct-Reading Dosimeter — 742
The 742 is a pocket-size carbon-fiber electroscope with an ion chamber for measuring accumulated Gamma and X-Ray exposure. Its direct-reading scale covers 0–200 R and it has a hardened sapphire viewing window.
- Range
- 0–200 R

Direct-Reading Dosimeter — 746
The 746 is a pocket-size carbon-fiber electroscope with an ion chamber for measuring accumulated Gamma and X-Ray exposure. Its direct-reading scale covers 0–600 R and it has a hardened sapphire viewing window.
- Range
- 0–600 R

Dosi-Lite for Direct-Reading Dosimeter
The Dosi-Lite is a battery-powered LED reading light in a flexible PVC casing that fits over a direct-reading dosimeter’s charging end for use in low-light conditions.
- Material
- Black PVC
- Size
- 0.6″ I.D. × 0.71″ O.D. × 2.125″
- Weight
- 0.5 oz.
- Power
- Three 1.5 V AG3 alkaline cells
- Light
- Ultra-bright clear LED
- Battery life
- Over 800 service hours

909B Dosimeter Charger
The Model 909B charges direct-reading dosimeters and includes an LED reading light, spring-loaded charging contact, and residual-charge removal (“kick”) feature.
- Weight
- 10.6 oz. (302 g)
- Dimensions
- 4 × 4 × 3.5 in.
- Case
- ABS plastic
- Power
- Two 1.5 V AA batteries
- Charging voltage
- 40–220 V
- Operating temperature
- 0–120°F (−18–49°C)
- Reading light
- LED
- Standard
- ANSI N42.6-1980