Topcon DL-501 - Page 129

121
25. SPECIFICATIONS
Operating temperature: -20 to 50°C (no condensation)
Storage temperature range: -40 to 70°C (no condensation)
Dust and water resistance: IP54 (IEC 60529:2001)
Instrument size (with handle): 226 (W) X 260 (D) X 200 (H) mm
Instrument weight:
DL-501 Advanced 3.5 kg (7.7 lb) (with BDC58/70)
DL-501 Standard 3.4 kg (7.5 lb) (with BDC58/70)
Staffs
New Super Invar (ISO 12858-1:1999 compatible)
BIS30A
Coefficient of linear expansion: 0±0.1 x 10
-6
/°C
Scale range: 37.5 to 2972.5mm
Size: 85 (W) X 40 (D) X 3038 (H) mm
Weight: 5.5kg (staff only), 23.4kg (case containing 2 staffs)
Invar (ISO 12858-1:1999 compatible)
BIS30
Coefficient of linear expansion: 1 x 10
-6
/°C
Scale range: 37.5 to 2972.5mm
Size: 85 (W) X 40 (D) X 3038 (H) mm
Weight: 5.5kg (staff only), 23.4kg (case containing 2 staffs)
BIS20
Coefficient of linear expansion: 1 x 10
-6
/°C
Scale range: 37.5 to 1930.5mm
Size: 85 (W) X 40 (D) X 2000 (H) mm
Weight: 4.3kg (staff only), 17.1kg (case containing 2 staffs)
Glass fiber
BGS40
Coefficient of linear expansion: 20 x 10
-6
/°C
Scale range: 0 to 4080mm
Size: 58 (W) X 28 (D) X 4080 (H) mm
Weight: 2.4kg (1 staff only), 3.0kg (w/ case)
BGS50
Coefficient of linear expansion: 20 x 10
-6
/°C
Scale range: 0 to 5090mm
Size: 58 (W) X 28 (D) X 5090 (H) mm
Weight: 3.0kg (1 staff only), 3.6kg (w/ case)
Remote trigger (DLC1A) (optional accessory for the DL-501 Standard)
Interface: Modulated infrared LED
Power source: Coin-type battery x 1 (CR2032) (3V DC)
Operating range: within 0.5m (operating range may vary with different operating
conditions)
Number of keys: 3
Dust and water resistance: IP66 (IEC60529:2001)
Size: 40(W) x 68(D) x 22(H) mm
Weight: Approx. 35g (with battery cell)
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